Coverage profile
Work Highmark Blue Cross Blue Shield of Western New York 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.
Eligibility
EDI 270/271The Substrate Eligibility Agent can verify patient benefits, identify TPAs and carve-outs, and more with Highmark Blue Cross Blue Shield of Western New York.
Portal claim status
Browser automationThe Substrate Claim Status Agent can check claim status via the payer portal for Highmark Blue Cross Blue Shield of Western New York.
Other aliases
Also known as
- 00301
- 00801
- 100948
- 10498
- 12B39
- 4409
- N1BLS
- NYBCBS
- SB801
- SB801MA
- WNYBS
- BCBS New York Western
- Blue Cross Blue Shield of Western New York
- HealthNow Blue Cross Blue Shield New York Western
- Highmark Blue Cross Blue Shield of Western New York - Medicare Advantage
- HEALTHNOW BCBS NEW YORK WESTERN
- HIGHMARK BLUE CROSS BLUE SHIELD
BlueCard home-plan routing
BCBS prefixes for Highmark Blue Cross Blue Shield of Western New York
These 92 member ID prefixes resolve to Highmark Blue Cross Blue Shield of Western New York as their terminal payer. Open a prefix to review its home plan, state, payer ID, and published routes.
Member ID prefixes
C4IBCBS prefixC4WBCBS prefixC5ZBCBS prefixD8ABCBS prefixERABCBS prefixESTBCBS prefixF8EBCBS prefixG2BBCBS prefixG7PBCBS prefixGDIBCBS prefixH2RBCBS prefixHNNBCBS prefixHRUBCBS prefixIAFBCBS prefixIMMBCBS prefixJ4PBCBS prefixJ5BBCBS prefixJ6BBCBS prefixJ6YBCBS prefixJ7JBCBS prefixJ7NBCBS prefixJ7YBCBS prefixJ8DBCBS prefixJ8YBCBS prefixJDIBCBS prefixK2HBCBS prefixK9RBCBS prefixKIMBCBS prefixL3PBCBS prefixL5LBCBS prefixLQBBCBS prefixM3BBCBS prefixM5RBCBS prefixN2YBCBS prefixN3ZBCBS prefixN8BBCBS prefixN9DBCBS prefixNEEBCBS prefixNQDBCBS prefixODIBCBS prefixOFSBCBS prefixOZSBCBS prefixPYLBCBS prefixPZYBCBS prefixQMNBCBS prefixQWJBCBS prefixQXQBCBS prefixQZJBCBS prefixR4IBCBS prefixR6YBCBS prefixRAXBCBS prefixRQBBCBS prefixRVABCBS prefixS2ABCBS prefixSPOBCBS prefixSUWBCBS prefixT3WBCBS prefixT4IBCBS prefixT7WBCBS prefixV6JBCBS prefixV6KBCBS prefixV6UBCBS prefixV6VBCBS prefixV7SBCBS prefixV8SBCBS prefixW4DBCBS prefixW8JBCBS prefixW8KBCBS prefixW8RBCBS prefixX9NBCBS prefixY3ABCBS prefixY3JBCBS prefixY4ABCBS prefixY4BBCBS prefixY4DBCBS prefixY4VBCBS prefixY4YBCBS prefixY5NBCBS prefixY6CBCBS prefixY6SBCBS prefixY7BBCBS prefixY7CBCBS prefixY7DBCBS prefixY7HBCBS prefixY7PBCBS prefixY7YBCBS prefixYDZBCBS prefixYJBBCBS prefixYJCBCBS prefixYJDBCBS prefixYJSBCBS prefixZXQBCBS prefix
2027 maternity billing research
When does Highmark Blue Cross Blue Shield of Western New York change OB/GYN billing?
For this record, apply the notice only to matching MMC, HARP, CHPlus or EP medical maternity services. The article announces CPT restructuring effective January 1, 2027 and directs all NYS Medicaid-enrolled providers of antepartum, postpartum, labor and delivery services to use the restructured system for individuals initiating prenatal care on or after June 1, 2026 and/or having an estimated due date on or after January 1, 2027.
- Transition start
- Prenatal-care initiation cohort threshold; an estimated due date on or after January 1, 2027 is the alternative/additional criterion
- Billing start
- CPT restructuring effective date; separate claims-system cutover not specified
- Published
- 2026-07-01
- Current As Of
- August 2026
Scope: Highmark BCBS MMC, HARP, CHPlus and EP medical maternity services only. No commercial, Medicare, dental, vision or Highmark Group-wide adoption is established.
2027 maternity care coding restructuring. Verify the payer source before claim submission.
Frequently asked questions
Highmark Blue Cross Blue Shield of Western New York payer FAQs
Can I automate Highmark Blue Cross Blue Shield of Western New York 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 Highmark Blue Cross Blue Shield of Western New York?
The primary payer ID for Highmark Blue Cross Blue Shield of Western New York is 100948. 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 Highmark Blue Cross Blue Shield of Western New York?
The provider portal for Highmark Blue Cross Blue Shield of Western New York is https://apps.availity.com/. Available features depend on the payer and your account.
What are the 837 payer IDs for Highmark Blue Cross Blue Shield of Western New York?
The 837P and 837I payer ID for Highmark Blue Cross Blue Shield of Western New York is 100948 via Stedi.
What is the 835 payer ID for Highmark Blue Cross Blue Shield of Western New York?
The 835 payer ID for Highmark Blue Cross Blue Shield of Western New York is 100948 via Stedi.
What is the 270 payer ID for Highmark Blue Cross Blue Shield of Western New York?
The 270 payer IDs for Highmark Blue Cross Blue Shield of Western New York are 100948 via Stedi and 100948 via Availity.
What state does Highmark Blue Cross Blue Shield of Western New York operate in?
Highmark Blue Cross Blue Shield of Western New York operates in NY.
Routing reference
Highmark Blue Cross Blue Shield of Western New York 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.
| Payer name | Highmark Blue Cross Blue Shield of Western New YorkSource: Substrate payer directory · data last changed |
|---|---|
| Operating states | NYSource: Substrate payer directory · data last changed |
| 837P professional claims payer IDStedi | 100948Source: Stedi payer catalog · catalog dated · matched by payer ID |
| 837I institutional claims payer IDStedi | 100948Source: Stedi payer catalog · catalog dated · matched by payer ID |
| 835 ERA payer IDStedi | 100948Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID |
| 270 eligibility payer IDStedi | 100948Source: Stedi payer catalog · catalog dated · matched by payer ID |
| 270 eligibility payer IDAvaility | 100948Source: 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: Highmark Blue Cross Blue Shield of Western New York. 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 NEW YORK WESTERN. 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 ↗
Clearinghouse payer IDs are transaction-specific and can change. Confirm the current payer list and the member’s ID card before submission.
Payer contact directory
Highmark Blue Cross Blue Shield of Western New York 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.
- Payer phone
- (800) 676-2583HIGHMARK BLUE CROSS BLUE SHIELD OF WESTERN NEW YORK
- Payer fax
(888) 282-1321ANTHEM BLUE CROSS
| Channel and number | Payer Notes | Department | Specialties |
|---|---|---|---|
fax(888) 282-1321 |
| ||
| phone(844) 451-2057 | Eligibility / benefits, Utilization managementBenefit context: Contact Following Entity for Eligibility or Benefit Information; Benefit context: Co-Payment |
| Chiropractic, Pharmacy |
| phone(855) 592-2895 | Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information |
| Vision (Optometry) |
| phone(855) 343-4851 | Utilization managementBenefit context: Co-Insurance |
| Hospital |
| phone(866) 470-6244 | Utilization managementBenefit context: Co-Insurance |
| Hospital |
| phone(800) 452-8507 | Other stated contextBenefit context: Active Coverage |
| Hospital |
| phone(833) 578-4443 | Other stated contextBenefit context: Co-Insurance |
| Hospital, Hospital - Inpatient |
| phone(844) 241-7087 | Other stated contextBenefit context: Co-Insurance |
| Hospital, Hospital - Inpatient |
| phone(800) 327-6716 |
| ||
| phone(800) 676-2583 |
|
Phone and fax numbers sourced directly from the payer response