Blue Cross and Blue Shield of Illinois Payer ID G00621 — EDI, Portal & Claim Status

Coverage profile

How Substrate can help you with Blue Cross and Blue Shield of Illinois

Substrate can help practices and billers with the following claims tasks for Blue Cross and Blue Shield of Illinois.

Claim status

EDI 276/277

The Substrate Claim Status Agent can check clearinghouse claim status for your practice with Blue Cross and Blue Shield of Illinois.

Available

Eligibility

EDI 270/271

The Substrate Eligibility Agent can verify patient benefits, identify TPAs and carve-outs, and more with Blue Cross and Blue Shield of Illinois.

Available

Portal claim status

Browser automation

The Substrate Claim Status Agent can check claim status via the payer portal for Blue Cross and Blue Shield of Illinois.

Available

Appeals agent

AI appeals workflow

The Substrate Appeals Agent can submit appeals for RFIs, medical record requests, downcoding reconsiderations, and more via the payer portal for Blue Cross and Blue Shield of Illinois.

Available

Payer intelligence

Observed adjudication timing

How long completed claims in Substrate’s aggregate network took from payer receipt to the 835 payment date.

Median time to payment

4 days

10% of adjudications by: 2 days
90% of adjudications by: 7 days
Applicable state coverage: IL
Current As Of: August 2026

Five-month median trend

Days to 835 payment

View chart data as a table

Blue Cross and Blue Shield of Illinois observed adjudication timing by service month
Service month	Median	10% of adjudications by	90% of adjudications by	Completed claims	Coverage
Apr	7 days	2 days	28.1 days	2,053	IL
May	5 days	2 days	15 days	10,320	IL
Jun	4.2 days	2 days	10 days	17,297	IL
Jul	4 days	2 days	7.1 days	13,388	IL
Aug	4 days	2 days	7 days	383	IL

Frequently asked questions

Blue Cross and Blue Shield of Illinois payer FAQs

How do I check claim status with Blue Cross and Blue Shield of Illinois?

Providers check Blue Cross and Blue Shield of Illinois via EDI 276/277 when the payer ID is accepted. Substrate automates claim status across 3,500+ payers.

Can I automate Blue Cross and Blue Shield of Illinois portal follow-up?

Yes — portal retrieval is required when 276/277 is missing or stale. See payer portal automation and learn why 276/277 is not enough.

What is the payer ID for Blue Cross and Blue Shield of Illinois?

The primary payer ID for Blue Cross and Blue Shield of Illinois is G00621. The correct routing ID can differ by clearinghouse and transaction, so compare the 837P, 837I, 835, 270, and 276 entries before submitting.

What is the provider portal for Blue Cross and Blue Shield of Illinois?

The provider portal for Blue Cross and Blue Shield of Illinois is https://apps.availity.com/. Available features depend on the payer and your account.

What are the 837 payer IDs for Blue Cross and Blue Shield of Illinois?

The 837P and 837I payer ID for Blue Cross and Blue Shield of Illinois is G00621 via Stedi.

What is the 835 payer ID for Blue Cross and Blue Shield of Illinois?

The 835 payer ID for Blue Cross and Blue Shield of Illinois is G00621 via Stedi.

What is the 270 payer ID for Blue Cross and Blue Shield of Illinois?

The 270 payer IDs for Blue Cross and Blue Shield of Illinois are G00621 via Stedi and G00621 via Availity.

What is the 276 payer ID for Blue Cross and Blue Shield of Illinois?

The 276 payer IDs for Blue Cross and Blue Shield of Illinois are G00621 via Stedi and G00621 via Availity.

What states does Blue Cross and Blue Shield of Illinois operate in?

Blue Cross and Blue Shield of Illinois operates in AZ, FL, IL, IN, NV, and OK.

Routing reference

Blue Cross and Blue Shield of Illinois payer IDs and operating states

Use the payer ID listed for the transaction you are submitting. Verify current routing and enrollment requirements with your clearinghouse.

Blue Cross and Blue Shield of Illinois payer name, operating states, and transaction-specific payer IDs
Payer name	Blue Cross and Blue Shield of Illinois
Operating states	AZ, FL, IL, IN, NV, OK
837P professional claims payer IDStedi	`G00621`
837I institutional claims payer IDStedi	`G00621`
835 ERA payer IDStedi	`G00621`Enrollment required
270 eligibility payer IDStedi	`G00621`
270 eligibility payer IDAvaility	`G00621`
276 claim status payer IDStedi	`G00621`
276 claim status payer IDAvaility	`G00621`

Payer contact directory

Blue Cross and Blue Shield of Illinois phone and fax numbers

Use the number associated with your task. These contacts were stated in successful eligibility responses and may apply to specific benefits, products, or departments.

Eligibility / benefits phone: (800) 676-2583BLUE CROSS AND BLUE SHIELD OF ILLINOIS
Payer fax: (888) 282-1321BLUE CROSS AND BLUE SHIELD OF ILLINOIS

Blue Cross and Blue Shield of Illinois payer phone and fax directory
Channel and number	Payer Notes	Department	Specialties
fax`(866) 411-2573`	Prior authorizationBenefit context: Co-Insurance	ACUTE INPATIENT REHABILITATION ADMISSION PRECERTIFICATION SKILLED NURSING FACILITY ADMISSION PRECERTIFICATION	Hospital
fax`(866) 411-2585`	Prior authorizationBenefit context: Co-Insurance	ACUTE INPATIENT HOSPITAL ADMISSION PRECERTIFICATION	Hospital
fax`(410) 781-7661`	Utilization managementBenefit context: Contact Following Entity for Eligibility or Benefit Information	UTILIZATION MANAGEMENT
fax`(866) 606-6021`	Other stated context, PharmacyBenefit context: Active Coverage; Benefit context: Coverage Basis	PA LOGIC SOLUTIONS	Pharmacy
fax`(323) 889-2100`	Other stated contextBenefit context: Co-Payment	BLUE SHIELD OF CALIFORNIA PROMISE HEALTH PLAN	Hospital
fax`(800) 453-4341`	Other stated contextBenefit context: Co-Insurance	CLINICAL INTAKE OPERATIONS	Hospital
fax`(833) 453-0101`	Other stated contextBenefit context: Coverage Basis	REACH KIDNEY CARE
fax`(833) 938-9934`	Other stated contextBenefit context: Co-Insurance	CREDENCE BCBS	Hospital
fax`(844) 295-4637`	Other stated contextBenefit context: Co-Insurance; Benefit context: Co-Payment	BLUE SHIELD OF CALIFORNIA	Hospital
fax`(877) 665-5542`	Other stated contextBenefit context: Limitations	AMERICAN HEALTH HOLDING	Hospital, Hospital - Inpatient
fax`(501) 378-2965`		BLUEADVANTAGE ADMINISTRATORS OF ARK
fax`(501) 379-1200`		SKAI BLUE CROSS BLUE SHIELD
fax`(888) 282-1321`		BLUE CROSS AND BLUE SHIELD OF ILLINOIS
phone(312) 423-4200	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	UHS	Chiropractic
phone(312) 653-1947	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Customer Service	Hospital, Hospital - Inpatient
phone(773) 594-2810	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Bakery Drivers Local #734	Vision (Optometry)
phone(800) 234-3375	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	DELTA DENTAL OF KANSAS (DDKS)	Dental Care
phone(800) 244-6224	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CIGNA	Dental Care
phone(800) 321-2843	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	THE HOLMAN GROUP	Mental Health
phone(800) 322-6384	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	DENTI-CAL	Dental Care
phone(800) 323-5000	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Central States Benefit Fund	Vision (Optometry)
phone(800) 335-8289	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	DELTA DENTAL OF VA	Dental Care
phone(800) 364-6331	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CVS/CAREMARK	Pharmacy
phone(800) 367-1934	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Med Care Management Valenz	Chiropractic
phone(800) 373-3727	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Telligen	Hospital, Hospital - Inpatient
phone(800) 377-1614	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	RX BENEFITS	Pharmacy
phone(800) 441-7705	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	VALENZ	Chiropractic
phone(800) 441-9188	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Customer Service	Health Benefit Plan Coverage, Hospital, Hospital - Inpatient, Hospital - Emergency Accident, Urgent Care, Hospital - Emergency Medical, Emergency Services, Chiropractic, Professional (Physician) Visit - Office, Physician Visit - Office: Well, Hospital - Outpatient, Hospital, Hospital - Inpatient
phone(800) 448-3815	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	DELTA DENTAL OF MINNESOTA	Dental Care
phone(800) 451-0287	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CUSTOMER SERVICE Customer Service	Health Benefit Plan Coverage, Health Benefit Plan Coverage, Hospital, Hospital - Inpatient, Hospital - Emergency Accident, Urgent Care, Hospital - Emergency Medical, Emergency Services, Chiropractic, Professional (Physician) Visit - Office, Physician Visit - Office: Well, Hospital - Outpatient, Hospital, Hospital - Inpatient, Hospital, Hospital - Inpatient, Vision (Optometry), Physician Visit - Office: Well, Vision (Optometry)
phone(800) 523-4702	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	National Elevator Industry Health Benefit Plan	Physician Visit - Office: Well
phone(800) 524-0149	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	DELTA DENTAL	Dental Care
phone(800) 538-8833	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Customer Service	Physician Visit - Office: Well
phone(800) 572-3089	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CUSTOMER SERVICE Customer Service	Professional (Physician) Visit - Office
phone(800) 582-1535	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Healthcare Strategies	Professional (Physician) Visit - Office, Urgent Care
phone(800) 621-0965	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Customer Service	Hospital, Hospital - Inpatient
phone(800) 638-3120	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Optum Health	Vision (Optometry)
phone(800) 676-2583	Eligibility / benefits, Other stated contextBenefit context: Contact Following Entity for Eligibility or Benefit Information; Benefit context: Active Coverage	BCBSIL BCBSTX BLUE CARE NETWORK BLUE CROSS AND BLUE SHIELD OF ILLINOIS BLUEADVANTAGE ADMINISTRATORS OF ARK CAPITAL BLUE CROSS Customer Service G00621	Health Benefit Plan Coverage, Professional (Physician) Visit - Office
phone(800) 687-0707	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	MAXOR	Pharmacy
phone(800) 789-7488	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	ESI	Pharmacy
phone(800) 826-6941	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CVS/CAREMARK	Pharmacy
phone(800) 854-7771	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	MEDI-CAL LA CARE BHA	Mental Health
phone(800) 877-7195	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	VSP VSP VISION CARE VSP Vision Vision Service Plan	Vision (Optometry)
phone(800) 900-5326	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CAREMARK	Pharmacy
phone(800) 932-0783	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	DELTA DENTAL	Dental Care
phone(800) 942-0854	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	METLIFE	Dental Care
phone(800) 944-9587	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Customer Service	Hospital - Inpatient
phone(800) 972-4226	Eligibility / benefits, Other stated contextBenefit context: Contact Following Entity for Eligibility or Benefit Information; Benefit context: Benefit Description; Benefit context: Co-Insurance; Benefit context: Co-Payment	AMERICAN SPECIALTY HEALTH ASH - AMERICAN SPECIALTY HEALTH NETWORK American Specialty Health (ASH)	Chiropractic, Hospital - Inpatient, Hospital - Outpatient
phone(800) 972-8088	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	BCBSIL CUSTOMER SERVICE Customer Service	Chiropractic, Health Benefit Plan Coverage, Health Benefit Plan Coverage, Hospital - Emergency Accident, Urgent Care, Hospital - Emergency Medical, Chiropractic, Professional (Physician) Visit - Office, Physician Visit - Office: Well, Health Benefit Plan Coverage, Hospital, Hospital - Inpatient, Hospital - Emergency Accident, Urgent Care, Hospital - Emergency Medical, Emergency Services, Chiropractic, Professional (Physician) Visit - Office, Hospital - Outpatient, Health Benefit Plan Coverage, Hospital, Hospital - Inpatient, Hospital - Emergency Accident, Urgent Care, Hospital - Emergency Medical, Emergency Services, Chiropractic, Professional (Physician) Visit - Office, Physician Visit - Office: Well, Hospital - Outpatient, Health Benefit Plan Coverage, Urgent Care, Health Benefit Plan Coverage, Urgent Care, Chiropractic, Professional (Physician) Visit - Office, Physician Visit - Office: Well, Hospital, Hospital - Emergency Accident, Hospital - Emergency Medical, Emergency Services, Physician Visit - Office: Well, Vision (Optometry), Hospital - Inpatient, Hospital, Hospital - Inpatient, Hospital, Hospital - Inpatient, Hospital - Emergency Accident, Hospital - Emergency Medical, Emergency Services, Hospital - Outpatient, Hospital, Hospital - Inpatient, Hospital - Outpatient, Urgent Care, Chiropractic, Professional (Physician) Visit - Office, Physician Visit - Office: Well, Vision (Optometry), Hospital, Hospital - Inpatient, Physician Visit - Office: Well, Physician Visit - Office: Well, Physician Visit - Office: Well, Vision (Optometry), Urgent Care, Chiropractic, Professional (Physician) Visit - Office, Physician Visit - Office: Well, Vision (Optometry), Urgent Care, Chiropractic, Professional (Physician) Visit - Office, Physician Visit - Office: Well, Vision (Optometry), Hospital, Hospital - Inpatient, Hospital - Outpatient, Urgent Care, Chiropractic, Professional (Physician) Visit - Office, Vision (Optometry)
phone(800) 977-2273	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	MAGELLAN	Pharmacy
phone(800) 981-3546	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Customer Service	Hospital, Hospital - Inpatient
phone(800) 988-4221	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	EyeMed Vision Care	Vision (Optometry)
phone(800) 999-5431	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Davis Vision	Vision (Optometry)
phone(833) 359-0371	Eligibility / benefits, Utilization managementBenefit context: Contact Following Entity for Eligibility or Benefit Information; Benefit context: Co-Payment	CARELONRX UTILIZATION MANAGEMENT	Chiropractic, Pharmacy
phone(833) 743-3220	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	EXPRESS SCRIPTS	Pharmacy
phone(833) 812-1797	Eligibility / benefits, Utilization managementBenefit context: Contact Following Entity for Eligibility or Benefit Information; Benefit context: Co-Payment	CARELONRX UTILIZATION MANAGEMENT	Chiropractic, Pharmacy
phone(833) 848-8730	Eligibility / benefits, Utilization managementBenefit context: Contact Following Entity for Eligibility or Benefit Information; Benefit context: Co-Payment	CARELONRX UTILIZATION MANAGEMENT	Chiropractic, Pharmacy
phone(844) 213-5660	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Conifer	Hospital - Emergency Accident, Hospital - Emergency Medical
phone(844) 550-2712	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	EXPRESS SCRIPTS MEDCO	Pharmacy
phone(844) 714-5678	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	EyeMed	Vision (Optometry)
phone(844) 770-1500	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Davis Vision	Vision (Optometry)
phone(855) 252-1117	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	eviCore	Professional (Physician) Visit - Office
phone(855) 347-6900	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	EyeMed	Vision (Optometry)
phone(855) 559-1389	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CVSCAREMARK	Pharmacy
phone(855) 592-2895	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	BLUE VIEW VISION	Vision (Optometry)
phone(855) 811-2218	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	OPTUMRX	Pharmacy
phone(855) 820-6604	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CIGNA PPO	Dental Care
phone(855) 862-4300	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	EyeMed	Vision (Optometry)
phone(866) 458-4002	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	American Health Holdings	Professional (Physician) Visit - Office
phone(866) 496-2371	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	DELTA DENTAL	Dental Care
phone(866) 723-0514	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	EyeMed Vision Care	Vision (Optometry)
phone(877) 769-7447	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CVS CAREMARK	Pharmacy
phone(888) 265-7790	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CVS Specialty RX	Professional (Physician) Visit - Office
phone(888) 323-1683	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	Group Administors	Chiropractic
phone(888) 352-7924	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	LIBERTY DENTAL	Dental Care
phone(888) 626-1152	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CVS	Pharmacy
phone(888) 737-7479	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	ESI	Pharmacy
phone(888) 797-8911	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CVS CAREMARK	Pharmacy
phone(888) 964-0098	Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information	CVS	Pharmacy
phone(719) 947-8600	Utilization managementBenefit context: Co-Insurance	UTILIZATION MANAGEMENT	Professional (Physician) Visit - Office
phone(800) 274-7767	Utilization managementBenefit context: Co-Insurance; Benefit context: Co-Payment	UTILIZATION MANAGEMENT	Hospital, Hospital, Hospital - Inpatient, Hospital - Outpatient
phone(800) 403-4160	Utilization managementBenefit context: Co-Payment	UTILIZATION MANAGEMENT	Chiropractic
phone(800) 832-7850	Utilization managementBenefit context: Co-Insurance	UTILIZATION MANAGEMENT	Hospital
phone(833) 359-7223	Utilization managementBenefit context: Co-Insurance	UTILIZATION MANAGEMENT	Hospital, Hospital - Inpatient, Hospital - Outpatient
phone(855) 260-7770	Utilization managementBenefit context: Co-Insurance	UTILIZATION MANAGEMENT	Hospital
phone(855) 343-4851	Utilization managementBenefit context: Co-Insurance	UTILIZATION MANAGEMENT	Hospital
phone(855) 671-2667	Utilization managementBenefit context: Co-Insurance	UTILIZATION MANAGEMENT	Hospital, Hospital - Inpatient, Hospital - Outpatient
phone(866) 470-6244	Utilization managementBenefit context: Co-Insurance	UTILIZATION MANAGEMENT	Hospital, Hospital, Hospital - Inpatient, Hospital - Outpatient
phone(866) 773-2884	Other stated context, Utilization managementBenefit context: Co-Insurance; Benefit context: Contact Following Entity for Eligibility or Benefit Information	Pre Service Review UTILIZATION MANAGEMENT	Hospital - Inpatient
phone(877) 284-0102	Utilization managementBenefit context: Co-Payment	UTILIZATION MANAGEMENT	Hospital
phone(888) 674-1126	Utilization managementBenefit context: Co-Insurance	UTILIZATION MANAGEMENT	Hospital
phone(800) 924-7141	Other stated context, PharmacyBenefit context: Co-Insurance; Benefit context: Benefit Description	BLUECROSS AND BLUESHIELD OF TENNESSEE MAGELLANRX	Hospital - Outpatient, Pharmacy
phone(866) 205-5107	Other stated context, PharmacyBenefit context: Active Coverage; Benefit context: Coverage Basis	PA LOGIC SOLUTIONS	Pharmacy
phone(866) 325-1794	PharmacyBenefit context: Benefit Description	OPTUM RX	Pharmacy
phone(866) 688-2242	PharmacyBenefit context: Active Coverage	PRIME THERAPEUTICS	Pharmacy
phone(800) 245-1150	Behavioral healthBenefit context: Non-Covered	BEHAVIORAL HEALTH SYSTEMS BHS	Mental Health
phone(855) 339-8558	Behavioral health, Other stated contextBenefit context: Active Coverage; Benefit context: Coverage Basis	LUCET	Mental Health
phone(866) 322-1657	Behavioral healthBenefit context: Active Coverage	BEHAVIORAL HEALTH MANAGER	Mental Health
phone(602) 864-4320	Other stated contextBenefit context: Benefit Description	BLUE CROSS BLUE SHIELD OF AZ	Hospital - Inpatient, Professional (Physician) Visit - Office, Hospital, Hospital - Outpatient
phone(800) 232-2345	Other stated contextBenefit context: Benefit Description	BLUE CROSS BLUE SHIELD OF AZ	Hospital - Inpatient, Professional (Physician) Visit - Office, Hospital, Hospital - Outpatient
phone(800) 248-2342	Other stated contextBenefit context: Deductible	BCBS OF ALABAMA	Hospital
phone(800) 275-2583	Other stated contextBenefit context: Co-Insurance	AUTHORIZATIONS	Physician Visit - Office: Well
phone(800) 351-2370	Other stated contextBenefit context: Co-Insurance	CLINICAL INTAKE OPERATIONS	Hospital
phone(800) 397-7337	Other stated contextBenefit context: Co-Insurance; Benefit context: Co-Payment; Benefit context: Deductible	Availity Auth and Referrals Page	Hospital - Inpatient, Hospital - Outpatient
phone(800) 424-8270	Other stated contextBenefit context: Coverage Basis	PRIME THERAPEUTICS
phone(800) 452-8507	Other stated contextBenefit context: Active Coverage	HIGHMARK MEDICAL MANAGEMENT & POLICY	Hospital
phone(800) 476-0677	Other stated contextBenefit context: Non-Covered	SOUTHLAND NATIONAL INSURANCE CORP	Vision (Optometry)
phone(800) 541-6652	Other stated contextBenefit context: Co-Insurance; Benefit context: Co-Payment	BLUE SHIELD OF CALIFORNIA	Hospital
phone(800) 605-2556	Other stated contextBenefit context: Co-Payment	BLUE SHIELD OF CALIFORNIA PROMISE HEALTH PLAN	Hospital
phone(800) 635-1928	Other stated contextBenefit context: Co-Payment	BCBS	Hospital, Hospital - Inpatient
phone(800) 664-2583	Other stated contextBenefit context: Active Coverage	HORIZON BCBSNJ	Health Benefit Plan Coverage
phone(800) 678-9133	Other stated contextBenefit context: Benefit Description	ASH - AMERICAN SPECIALTY HEALTH NETWORK	Chiropractic
phone(800) 780-7881	Other stated contextBenefit context: Co-Insurance	CLINICAL INTAKE OPERATIONS	Hospital
phone(800) 892-6116	Other stated contextBenefit context: Co-Insurance	BCBSKC MED MGMT DEPT	Hospital - Inpatient
phone(800) 920-2485	Other stated contextBenefit context: Active Coverage	EXCELLUS BLUE CROSS BLUE SHIELD	Health Benefit Plan Coverage
phone(803) 788-0222	Other stated contextBenefit context: Other or Additional Payor	BLUE CROSS BLUE SHIELD FEDERAL
phone(833) 447-4397	Other stated contextBenefit context: Coverage Basis	REACH KIDNEY CARE
phone(833) 462-0104	Other stated contextBenefit context: Limitations	AMERICAN HEALTH HOLDING	Hospital, Hospital - Inpatient
phone(833) 578-4441	Other stated contextBenefit context: Co-Insurance	ANTHEM BLUE CROSS AND BLUE SHIELD	Hospital, Hospital - Inpatient
phone(833) 592-9956	Other stated contextBenefit context: Co-Insurance	ANTHEM BLUE CROSS AND BLUE SHIELD	Hospital, Hospital - Inpatient
phone(833) 639-1634	Other stated contextBenefit context: Co-Insurance	ANTHEM BLUE CROSS AND BLUE SHIELD	Hospital, Hospital - Inpatient
phone(833) 639-1635	Other stated contextBenefit context: Co-Insurance	ANTHEM BLUE CROSS AND BLUE SHIELD	Urgent Care
phone(833) 639-1638	Other stated contextBenefit context: Co-Insurance	ANTHEM BLUE CROSS AND BLUE SHIELD	Hospital, Hospital - Inpatient
phone(833) 663-8703	Other stated contextBenefit context: Co-Insurance; Benefit context: Coverage Basis	CREDENCE BCBS PA LOGIC SOLUTIONS	Hospital
phone(833) 798-6733	Other stated contextBenefit context: Coverage Basis	BCBSAL
phone(833) 800-4032	Other stated contextBenefit context: Coverage Basis	BCBSAL
phone(833) 800-4033	Other stated contextBenefit context: Coverage Basis	BCBSAL CREDENCE BCBS
phone(844) 241-7087	Other stated contextBenefit context: Co-Insurance	ANTHEM BLUE CROSS AND BLUE SHIELD	Hospital, Hospital, Hospital - Inpatient
phone(855) 333-5730	Other stated contextBenefit context: Co-Insurance	ANTHEM BLUE CROSS OF CALIFORNIA	Hospital
phone(855) 397-9267	Other stated contextBenefit context: Co-Insurance	ANTHEM BLUE CROSS AND BLUE SHIELD	Hospital, Hospital - Inpatient
phone(855) 845-5440	Other stated contextBenefit context: Co-Insurance	Luminare Health	Hospital, Hospital - Inpatient
phone(855) 924-5288	Other stated contextBenefit context: Co-Insurance	Quantum Health	Hospital, Hospital - Inpatient
phone(866) 317-6106	Other stated contextBenefit context: Co-Insurance	Quantum Health	Hospital, Hospital - Inpatient
phone(866) 359-0396	Other stated contextBenefit context: Co-Insurance	Quantum Health	Hospital, Hospital - Inpatient
phone(866) 359-0408	Other stated contextBenefit context: Co-Payment	Quantum Health	Hospital, Hospital - Inpatient
phone(866) 417-0163	Other stated contextBenefit context: Co-Payment	Accolade	Hospital, Hospital - Inpatient
phone(866) 518-1773	Other stated contextBenefit context: Co-Insurance	Accolade	Hospital, Hospital - Inpatient
phone(866) 803-8002	Other stated contextBenefit context: Coverage Basis	CARELON MEDICAL BENEFITS MANAGEMENT EVICORE HEALTHCARE
phone(866) 871-1425	Other stated contextBenefit context: Co-Insurance	Quantum	Hospital, Hospital - Inpatient
phone(866) 952-0353	Other stated contextBenefit context: Deductible	QUANTUM HEALTH	Hospital
phone(877) 297-1226	Other stated contextBenefit context: Co-Insurance	Quantum Health	Hospital, Hospital - Inpatient
phone(877) 324-2990	Other stated contextBenefit context: Co-Insurance	QUANTUM HEALTH	Hospital
phone(877) 498-5979	Other stated contextBenefit context: Co-Insurance	Quantum Health	Hospital, Hospital - Inpatient
phone(877) 811-3106	Other stated contextBenefit context: Co-Payment	ANTHEM BLUE CROSS AND BLUE SHIELD	Urgent Care
phone(877) 986-8124	Other stated contextBenefit context: Co-Insurance	Quantum Health	Hospital, Hospital - Inpatient
phone(877) 986-8136	Other stated contextBenefit context: Co-Insurance	QUANTUM HEALTH	Hospital - Outpatient
phone(888) 674-1638	Other stated contextBenefit context: Co-Insurance	Quantum Health	Hospital, Hospital - Inpatient
phone(888) 953-6703	Other stated contextBenefit context: Co-Payment	CARELON	Hospital
phone(800) 214-4844		BLUE CROSS AND BLUE SHIELD OF ILLINOIS G00621
phone(800) 327-6716		BLUE CROSS AND BLUE SHIELD OF ILLINOIS
phone(800) 392-2512		BLUE CARE NETWORK
phone(800) 727-2227		BLUE CROSS AND BLUE SHIELD OF ILLINOIS
phone(844) 465-5227		SKAI BLUE CROSS BLUE SHIELD
phone(877) 444-2374		BLUE CROSS AND BLUE SHIELD OF ILLINOIS
phone(888) 233-8351		BLUE CROSS AND BLUE SHIELD OF ILLINOIS

Phone and fax numbers sourced directly from the payer response

Other aliases

Also known as

00621
10033
1405
5508
BCBSIL
BCMIW
CB621
G00621
ILBCBS
ILBLS
SB621
Blue Cross Blue Shield Illinois
Blue Cross Blue Shield of Illinois
Blue Cross and Blue Shield of Illinois - Medicare Advantage
BlueCross BlueShield of Illinois
HCSC
Health Care Service Corporation
BCBS ILLINOIS
BCBSIL621
BCBSILBCBS
HCSCIL

Blue Cross and Blue Shield of Illinois

How Substrate can help you with Blue Cross and Blue Shield of Illinois

Claim status

Eligibility

Portal claim status

Appeals agent

Observed adjudication timing

Five-month median trend

Blue Cross and Blue Shield of Illinois payer FAQs

How do I check claim status with Blue Cross and Blue Shield of Illinois?

Can I automate Blue Cross and Blue Shield of Illinois portal follow-up?

What is the payer ID for Blue Cross and Blue Shield of Illinois?

What is the provider portal for Blue Cross and Blue Shield of Illinois?

What are the 837 payer IDs for Blue Cross and Blue Shield of Illinois?

What is the 835 payer ID for Blue Cross and Blue Shield of Illinois?

What is the 270 payer ID for Blue Cross and Blue Shield of Illinois?

What is the 276 payer ID for Blue Cross and Blue Shield of Illinois?

What states does Blue Cross and Blue Shield of Illinois operate in?

Related guides

Blue Cross and Blue Shield of Illinois payer IDs and operating states

Blue Cross and Blue Shield of Illinois phone and fax numbers

Also known as