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Coverage profile

Work Blue Cross Blue Shield of Massachusetts across every published route

Use the current payer record to choose the right claim-status, eligibility, portal, phone, or appeals workflow. Substrate only marks routes that are published for this payer.

Claim status

EDI 276/277

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

Supported

Eligibility

EDI 270/271

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

Available

Coordination of benefits

Real-time check

The Substrate Eligibility Agent can check coordination of benefits for other active coverage and primary or secondary order with Blue Cross Blue Shield of Massachusetts. Results can be partial. Enrollment is not required for this check.

Available

Substrate prior authorization catalog

1 source

Browse Blue Cross Blue Shield of Massachusetts’s official prior authorization lists and lookups in Substrate’s catalog.

  • Plan scope
  • Original sources
  • Review dates
Open prior authorization catalog

Other aliases

Also known as

  • 00139
  • 00200
  • 10037
  • 12B14
  • 2424
  • 5528
  • 700
  • BS059
  • CBMA1
  • MABCBS
  • MABLS
  • SB700
  • SB700MA
  • BCBS Massachusetts
  • BCBSMA
  • Blue Cross Blue Shield Massachusetts
  • Blue Cross Blue Shield of Massachusetts - Medicare Advantage
  • BCBSMA12B1

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

8 days
10% of adjudications by
3 days
90% of adjudications by
17 days
Applicable state coverage
MA
Current As Of
July 2026

Five-month median trend

Days to 835 payment
Blue Cross Blue Shield of Massachusetts median observed adjudication timingMonthly median days from payer receipt to 835 payment from April 2026 through August 2026. Missing qualified months are shown as gaps.07.515AprMayJunJulAug
View chart data as a table
Blue Cross Blue Shield of Massachusetts observed adjudication timing by service month
Service monthMedian10% of adjudications by90% of adjudications byCompleted claimsCoverage
Apr9.2 days2 days29 days259MA
May11 days2 days30 days762MA
Jun11 days3 days16 days925MA
Jul8 days3 days17 days430MA
AugNo qualified data

Routing reference

Blue Cross Blue Shield of Massachusetts 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 Blue Shield of Massachusetts payer name, operating states, and transaction-specific payer IDs
Payer nameBlue Cross Blue Shield of MassachusettsSource: Substrate payer directory · data last changed
Operating statesMA, NHSource: Substrate payer directory · data last changed
837P professional claims payer IDStedi700Source: Stedi payer catalog · catalog dated · matched by payer ID
837I institutional claims payer IDStedi700Source: Stedi payer catalog · catalog dated · matched by payer ID
835 ERA payer IDStedi700Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID
270 eligibility payer IDStedi700Source: Stedi payer catalog · catalog dated · matched by payer ID
270 eligibility payer IDAvaility700Source: Availity payer catalog · catalog dated · matched by payer ID
276 claim status payer IDStedi700Source: Stedi payer catalog · catalog dated · matched by payer ID
276 claim status payer IDAvaility700Source: Availity payer catalog · catalog dated · matched by payer ID

Routing sources and verification

  • Substrate payer directoryPayer identity, aliases, operating states, and vendor IDs. Data last changed ; checked .Open payer website ↗
  • Stedi payer catalogMatched by payer ID; matched record: Blue Cross Blue Shield of Massachusetts. Source dated .PrimaryPayerId is used as the transaction payer ID when the corresponding Stedi support flag is true.Open current Stedi reference ↗
  • Availity payer catalogMatched by payer ID; matched record: BCBS MASSACHUSETTS. Source dated .The attached API workbook supplies 270 and 276 payer IDs only. It does not supply 837P, 837I, or 835 IDs.Open current Availity reference ↗
  • United Clearinghouse payer catalogMatched by payer name; matched record: Blue Cross Blue Shield of Massachusetts. The source did not provide a publication date.The attachment supplies payer names and states only; it does not contain transaction-specific payer IDs.Open current United Clearinghouse reference ↗

Clearinghouse payer IDs are transaction-specific and can change. Confirm the current payer list and the member’s ID card before submission.

Phone and fax contacts

Numbers vary by plan, service, and department. Check the member’s ID card before calling or sending a fax.

Phone lines8
  • (800) 200-4255Blue Cross Blue Shield of Massachusetts phone treeMember service center for Blue Cross Blue Shield of Massachusetts: provider calls, premium payment by phone, and ID card orders.Answered by: Automated phone menu → Live person
  • (800) 327-6716Blue Cross Blue Shield of Massachusetts Health and Medical ManagementBlue Cross Blue Shield of Massachusetts health and medical management line for provider authorization and referral calls, staff extensions and members.Answered by: Automated phone menu
  • (800) 424-0794Blue Cross Blue Shield of Massachusetts phone treeBlue Cross Blue Shield of Massachusetts member service line. Members press 2 for claims, policy, address, ID card and document requests; open enrollment callers press 3 and are transferred.Answered by: Automated phone menu
  • (800) 443-6657Blue Cross Blue Shield of Massachusetts Provider Service CenterBlue Cross Blue Shield of Massachusetts provider service line with the InfoDial automated system for eligibility, authorization and referral information, claim submission and claim status.Answered by: Automated phone menu
  • (800) 771-4097Blue Cross Blue Shield of Massachusetts provider centralBlue Cross Blue Shield of Massachusetts provider central and EDI line, closed when called; the recording points callers to the claim status system, the provider website, and business hours.Answered by: Recorded message
  • (800) 859-4417Blue Cross Blue Shield of Massachusetts Member Service CenterMember service center for Blue Cross Blue Shield of Massachusetts, with self-service for claim status, policy members, address changes, ID cards and documents, plus open enrollment help.Answered by: Automated phone menu
  • (800) 882-1178Blue Cross Blue Shield of Massachusetts dental provider serviceBlue Cross Blue Shield of Massachusetts dental provider service line: members with dental benefits press 9, and other callers press pound or stay on the line.Answered by: Automated phone menu
  • (800) 882-2060BCBS of Massachusetts provider service centerProvider service center line that plays a closed-office message with business hours and no menu.Answered by: Recorded message
Phone numbers14
Blue Cross Blue Shield of Massachusetts phone numbers
Channel and numberPayer NotesDepartmentSpecialties
phone(203) 250-2601Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • LC FND OF ANTHEM FLX DNTL NTWK.
Dental Care
phone(800) 335-8289Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • DELTA DENTAL OF VA
Dental Care
phone(800) 676-2583Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • BLUE CROSS BLUE SHIELD OF MASSACHUSETTS
  • CUSTOMER SERVICE
Hospital, Hospital - Inpatient
phone(800) 972-8088Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • CUSTOMER SERVICE
Hospital, Hospital - Inpatient
phone(800) 238-2227Other stated context, Prior authorizationBenefit context: Co-Payment; Benefit context: Co-Insurance
  • ANTHEM BLUE CROSS AND BLUE SHIELD
  • PRECERT
Hospital, Hospital - Inpatient, Urgent Care
phone(800) 888-9255Utilization managementBenefit context: Co-Insurance
  • UTILIZATION MANAGEMENT
Hospital
phone(800) 892-1893Utilization managementBenefit context: Co-Insurance
  • UTILIZATION MANAGEMENT
Hospital
phone(855) 343-4851Utilization managementBenefit context: Co-Insurance
  • UTILIZATION MANAGEMENT
Hospital
phone(866) 470-6244Utilization managementBenefit context: Co-Insurance
  • UTILIZATION MANAGEMENT
Hospital
phone(800) 664-2583Other stated contextBenefit context: Active Coverage
  • HORIZON BCBSNJ
Health Benefit Plan Coverage
phone(877) 342-5258Other stated contextBenefit context: Co-Insurance
  • PREMERA
Hospital - Inpatient
phone(800) 214-4844
  • BLUE CROSS BLUE SHIELD OF MASSACHUSETTS
phone(800) 327-6716
  • BLUE CROSS BLUE SHIELD OF MASSACHUSETTS
phone(800) 727-2227
  • BLUE CROSS BLUE SHIELD OF MASSACHUSETTS

Numbers stated in payer eligibility responses; scope may depend on benefits, products, or departments.

Fax numbers1
Blue Cross Blue Shield of Massachusetts fax numbers
Channel and numberPayer NotesDepartmentSpecialties
fax(888) 282-1321
  • BLUE CROSS BLUE SHIELD OF MASSACHUSETTS

Numbers stated in payer eligibility responses; scope may depend on benefits, products, or departments.

Retired numbers4

These numbers played a not-in-service recording when called. Do not use them; call the replacement or the number on the member’s ID card.

  • (800) 397-7337Not in service when called; re-check pending
  • (800) 922-6621Not in service when called; re-check pending
  • (844) 805-9802Out of service
  • (855) 243-3326Not in service when called; re-check pending

Not affiliated with Blue Cross Blue Shield of Massachusetts or BCBSA.

Confirm routing with your clearinghouse. Report an error

Disclaimer

The information provided on this page is for general informational purposes only and does not constitute billing, coding, or reimbursement advice. Nothing on this page should be relied upon as a substitute for clinician assessment, professional billing guidance, or as a definitive statement of any payor's billing requirements or policies.

Payor agreements, fee schedules, and billing policies vary and are subject to change. Before submitting any claims related to maternity care services, including claims affected by the 2027 CPT code revisions, please consult the applicable payor agreements, coverage policies, and billing guidelines to confirm current requirements for their specific payor contracts.

Substrate makes no representation or warranty regarding the accuracy, completeness, or timeliness of the payor-specific information presented here. Providers are solely responsible for ensuring that all claims are submitted in accordance with applicable payor requirements, and Substrate assumes no liability for claim denials, underpayments, or other adverse outcomes arising from reliance on this information.