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 276/277The Substrate Claim Status Agent can check clearinghouse claim status for your practice with Blue Cross Blue Shield of Massachusetts.
Available
Eligibility
EDI 270/271The Substrate Eligibility Agent can verify patient benefits, identify TPAs and carve-outs, and more with Blue Cross Blue Shield of Massachusetts.
Available
Other aliases
Also known as
- 00139
- 00200
- 10037
- 12B14
- 2424
- 700
- BS059
- CBMA1
- MABCBS
- MABLS
- SB700
- SB700MA
- BCBS Massachusetts
- BCBSMA
- Blue Cross Blue Shield Massachusetts
- Blue Cross Blue Shield of Massachusetts - Medicare Advantage
- BCBSMA12B1
BlueCard home-plan routing
BCBS prefixes for Blue Cross Blue Shield of Massachusetts
These 548 member ID prefixes resolve to Blue Cross Blue Shield of Massachusetts as their terminal payer. Open a prefix to review its home plan, state, payer ID, and published routes.
Member ID prefixes
A7SBCBS prefixAAGBCBS prefixACDBCBS prefixAEOBCBS prefixAIMBCBS prefixAKABCBS prefixANABCBS prefixAPJBCBS prefixAPWBCBS prefixASPBCBS prefixATHBCBS prefixAUXBCBS prefixAVQBCBS prefixAVWBCBS prefixAXDBCBS prefixAXSBCBS prefixAYHBCBS prefixAZABCBS prefixB2BBCBS prefixB2HBCBS prefixB2OBCBS prefixB4WBCBS prefixB6ABCBS prefixB7LBCBS prefixB9GBCBS prefixBBKBCBS prefixBBPBCBS prefixBCIBCBS prefixBCYBCBS prefixBDVBCBS prefixBGDBCBS prefixBGVBCBS prefixBHFBCBS prefixBHTBCBS prefixBIUBCBS prefixBKKBCBS prefixBKLBCBS prefixBKUBCBS prefixBKWBCBS prefixBKXBCBS prefixBKZBCBS prefixBNCBCBS prefixBNDBCBS prefixBOSBCBS prefixBPHBCBS prefixBPTBCBS prefixBRVBCBS prefixBSABCBS prefixBSMBCBS prefixBSNBCBS prefixBSYBCBS prefixBUOBCBS prefixBVHBCBS prefixBVKBCBS prefixBXGBCBS prefixBXUBCBS prefixBZSBCBS prefixC8WBCBS prefixCADBCBS prefixCAYBCBS prefixCDWBCBS prefixCEHBCBS prefixCELBCBS prefixCFMBCBS prefixCFNBCBS prefixCGJBCBS prefixCHBBCBS prefixCIIBCBS prefixCINBCBS prefixCIZBCBS prefixCJKBCBS prefixCKOBCBS prefixCLSBCBS prefixCONBCBS prefixCPDBCBS prefixCSHBCBS prefixCTABCBS prefixCTIBCBS prefixCTPBCBS prefixCTSBCBS prefixCUDBCBS prefixCVIBCBS prefixCWKBCBS prefixCWOBCBS prefixCWSBCBS prefixCXLBCBS prefixCXSBCBS prefixCYOBCBS prefixCYUBCBS prefixD2OBCBS prefixD7IBCBS prefixD9EBCBS prefixDAIBCBS prefixDAKBCBS prefixDGJBCBS prefixDJTBCBS prefixDMNBCBS prefixDMTBCBS prefixDNHBCBS prefixDPNBCBS prefixDRCBCBS prefixDSFBCBS prefixDUHBCBS prefixDWIBCBS prefixDXTBCBS prefixDXUBCBS prefixDZTBCBS prefixDZXBCBS prefixE2TBCBS prefixE3ABCBS prefixE4ABCBS prefixE4BBCBS prefixE4CBCBS prefixE4DBCBS prefixE4EBCBS prefixE4QBCBS prefixE7QBCBS prefixE7ZBCBS prefixE9YBCBS prefixEBSBCBS prefixEDQBCBS prefixEDZBCBS prefixEEQBCBS prefixEERBCBS prefixEESBCBS prefixEETBCBS prefixEFJBCBS prefixEFQBCBS prefixEGHBCBS prefixEGLBCBS prefixEHJBCBS prefixEMKBCBS prefixEMLBCBS prefixENLBCBS prefixEQCBCBS prefixERHBCBS prefixERKBCBS prefixERLBCBS prefixESSBCBS prefixEVXBCBS prefixEXYBCBS prefixEYABCBS prefixEZPBCBS prefixFGCBCBS prefixFHBBCBS prefixFHHBCBS prefixFHYBCBS prefixFJSBCBS prefixFMDBCBS prefixFMHBCBS prefixFNMBCBS prefixFQRBCBS prefixFQSBCBS prefixFRSBCBS prefixFSABCBS prefixFXCBCBS prefixFYRBCBS prefixG5RBCBS prefixG7ABCBS prefixG7QBCBS prefixGABBCBS prefixGAKBCBS prefixGCIBCBS prefixGCQBCBS prefixGDSBCBS prefixGHRBCBS prefixGIABCBS prefixGOBBCBS prefixGPLBCBS prefixGQABCBS prefixGQKBCBS prefixGQWBCBS prefixGRHBCBS prefixGTCBCBS prefixGTIBCBS prefixGWQBCBS prefixGWYBCBS prefixGXBBCBS prefixGYSBCBS prefixGZJBCBS prefixH2XBCBS prefixHBRBCBS prefixHEUBCBS prefixHFCBCBS prefixHGABCBS prefixHHVBCBS prefixHJABCBS prefixHKLBCBS prefixHLXBCBS prefixHMIBCBS prefixHNJBCBS prefixHOJBCBS prefixHOSBCBS prefixHPDBCBS prefixHPYBCBS prefixHQBBCBS prefixHQJBCBS prefixHQVBCBS prefixHSZBCBS prefixHTHBCBS prefixHVABCBS prefixHVFBCBS prefixHVMBCBS prefixHWIBCBS prefixHXABCBS prefixHYCBCBS prefixICWBCBS prefixIEFBCBS prefixIHSBCBS prefixIINBCBS prefixILBBCBS prefixIMBBCBS prefixIMVBCBS prefixIRBBCBS prefixIRXBCBS prefixISOBCBS prefixITCBCBS prefixIUHBCBS prefixIUMBCBS prefixIWTBCBS prefixIWWBCBS prefixJ5EBCBS prefixJ5RBCBS prefixJ7VBCBS prefixJ7XBCBS prefixJ9NBCBS prefixJ9UBCBS prefixJABBCBS prefixJAMBCBS prefixJBXBCBS prefixJCBBCBS prefixJCFBCBS prefixJCUBCBS prefixJDZBCBS prefixJENBCBS prefixJEVBCBS prefixJHRBCBS prefixJHVBCBS prefixJMBBCBS prefixJMTBCBS prefixJNJBCBS prefixJNTBCBS prefixJPNBCBS prefixJSBBCBS prefixJTQBCBS prefixK4NBCBS prefixK4SBCBS prefixKDGBCBS prefixKDMBCBS prefixKEQBCBS prefixKGLBCBS prefixKLUBCBS prefixKMXBCBS prefixKQFBCBS prefixKSMBCBS prefixKSOBCBS prefixKWPBCBS prefixL3TBCBS prefixL7FBCBS prefixL9NBCBS prefixLACBCBS prefixLBLBCBS prefixLBYBCBS prefixLCZBCBS prefixLERBCBS prefixLEUBCBS prefixLGIBCBS prefixLHIBCBS prefixLKABCBS prefixLKBBCBS prefixLMQBCBS prefixLPNBCBS prefixLQSBCBS prefixLTHBCBS prefixLTNBCBS prefixM5NBCBS prefixM5TBCBS prefixMBUBCBS prefixMCNBCBS prefixMCXBCBS prefixMGFBCBS prefixMILBCBS prefixMKDBCBS prefixMKSBCBS prefixMLRBCBS prefixMMRBCBS prefixMMXBCBS prefixMODBCBS prefixMOIBCBS prefixMQBBCBS prefixMQCBCBS prefixMRKBCBS prefixMTLBCBS prefixMTNBCBS prefixMTPBCBS prefixMVEBCBS prefixMVLBCBS prefixMWPBCBS prefixMXNBCBS prefixMXPBCBS prefixMXQBCBS prefixMXYBCBS prefixMYBBCBS prefixMYHBCBS prefixMYIBCBS prefixMYKBCBS prefixMYLBCBS prefixMYQBCBS prefixMYSBCBS prefixMYUBCBS prefixMYZBCBS prefixMZEBCBS prefixNANBCBS prefixNAVBCBS prefixNBGBCBS prefixNBYBCBS prefixNFZBCBS prefixNGEBCBS prefixNGFBCBS prefixNGIBCBS prefixNGKBCBS prefixNGNBCBS prefixNGTBCBS prefixNHWBCBS prefixNIHBCBS prefixNKVBCBS prefixNKWBCBS prefixNMHBCBS prefixNNDBCBS prefixNNEBCBS prefixNQABCBS prefixNQRBCBS prefixNQVBCBS prefixNSZBCBS prefixNTZBCBS prefixNUPBCBS prefixNUQBCBS prefixNVBBCBS prefixNWIBCBS prefixO2SBCBS prefixOABBCBS prefixOAZBCBS prefixODFBCBS prefixODTBCBS prefixOMQBCBS prefixOMSBCBS prefixONGBCBS prefixONTBCBS prefixOOCBCBS prefixOPSBCBS prefixPAEBCBS prefixPAGBCBS prefixPBABCBS prefixPCXBCBS prefixPFKBCBS prefixPGVBCBS prefixPITBCBS prefixPKSBCBS prefixPLMBCBS prefixPOQBCBS prefixPQEBCBS prefixPQSBCBS prefixPQUBCBS prefixPQWBCBS prefixPSABCBS prefixPSRBCBS prefixPXLBCBS prefixQ3EBCBS prefixQ4YBCBS prefixQCSBCBS prefixQNEBCBS prefixQSVBCBS prefixQWFBCBS prefixQXXBCBS prefixQZCBCBS prefixR5LBCBS prefixR6GBCBS prefixR9GBCBS prefixRBMBCBS prefixRBRBCBS prefixRCHBCBS prefixRGWBCBS prefixRHQBCBS prefixRIEBCBS prefixRQMBCBS prefixRQWBCBS prefixRROBCBS prefixRSGBCBS prefixRTOBCBS prefixRUSBCBS prefixRWLBCBS prefixRWNBCBS prefixRXZBCBS prefixRYEBCBS prefixRZFBCBS prefixS2QBCBS prefixS3YBCBS prefixS5CBCBS prefixSAUBCBS prefixSBEBCBS prefixSBWBCBS prefixSBXBCBS prefixSFOBCBS prefixSFVBCBS prefixSGOBCBS prefixSGRBCBS prefixSHRBCBS prefixSIGBCBS prefixSJUBCBS prefixSQRBCBS prefixSRWBCBS prefixSSNBCBS prefixSUGBCBS prefixSWDBCBS prefixSWPBCBS prefixSYKBCBS prefixSYNBCBS prefixSYUBCBS prefixSZDBCBS prefixT4TBCBS prefixT6NBCBS prefixT7VBCBS prefixT8EBCBS prefixT8ZBCBS prefixTAQBCBS prefixTAUBCBS prefixTBJBCBS prefixTBZBCBS prefixTCIBCBS prefixTCJBCBS prefixTFSBCBS prefixTHNBCBS prefixTJJBCBS prefixTJWBCBS prefixTJXBCBS prefixTKPBCBS prefixTLIBCBS prefixTMIBCBS prefixTQHBCBS prefixTQNBCBS prefixTQZBCBS prefixTSUBCBS prefixTTXBCBS prefixTUFBCBS prefixTVCBCBS prefixTVXBCBS prefixTWEBCBS prefixTXTBCBS prefixTXXBCBS prefixU3PBCBS prefixU4GBCBS prefixUCGBCBS prefixUEBBCBS prefixUELBCBS prefixUEMBCBS prefixUEWBCBS prefixUKBBCBS prefixUKWBCBS prefixUMABCBS prefixUMIBCBS prefixUQSBCBS prefixUSXBCBS prefixUWFBCBS prefixUYEBCBS prefixV2HBCBS prefixV4RBCBS prefixV8TBCBS prefixVCKBCBS prefixVETBCBS prefixVFSBCBS prefixVGMBCBS prefixVHOBCBS prefixVLSBCBS prefixVNABCBS prefixVNSBCBS prefixVSRBCBS prefixVSWBCBS prefixVTKBCBS prefixVTRBCBS prefixVTXBCBS prefixVWCBCBS prefixW4QBCBS prefixW8EBCBS prefixWALBCBS prefixWAVBCBS prefixWCHBCBS prefixWCKBCBS prefixWCRBCBS prefixWELBCBS prefixWGCBCBS prefixWGEBCBS prefixWHJBCBS prefixWHTBCBS prefixWHXBCBS prefixWJGBCBS prefixWJZBCBS prefixWKWBCBS prefixWQABCBS prefixWQNBCBS prefixWRBBCBS prefixWRFBCBS prefixWSTBCBS prefixWWBBCBS prefixWWCBCBS prefixXHNBCBS prefixXRABCBS prefixXRXBCBS prefixXSUBCBS prefixXXABCBS prefixXXBBCBS prefixXXCBCBS prefixXXDBCBS prefixXXEBCBS prefixXXFBCBS prefixXXGBCBS prefixXXHBCBS prefixXXIBCBS prefixXXKBCBS prefixXXMBCBS prefixXXNBCBS prefixXXPBCBS prefixXXQBCBS prefixXXRBCBS prefixXXSBCBS prefixXXTBCBS prefixXXUBCBS prefixXXVBCBS prefixXXWBCBS prefixXXYBCBS prefixYBOBCBS prefixYCRBCBS prefixYECBCBS prefixYOEBCBS prefixYOFBCBS prefixYOGBCBS prefixYOIBCBS prefixYOKBCBS prefixYOMBCBS prefixYONBCBS prefixYOOBCBS prefixYOWBCBS prefixYOZBCBS prefixYSBBCBS prefixYSSBCBS prefixZBBBCBS prefixZQCBCBS prefixZRPBCBS prefixZWJBCBS prefix
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 paymentView chart data as a table
| Service month | Median | 10% of adjudications by | 90% of adjudications by | Completed claims | Coverage |
|---|---|---|---|---|---|
| Apr | 9.2 days | 2 days | 29 days | 259 | MA |
| May | 11 days | 2 days | 30 days | 762 | MA |
| Jun | 11 days | 3 days | 16 days | 925 | MA |
| Jul | 8 days | 3 days | 17 days | 430 | MA |
| Aug | No qualified data | ||||
Frequently asked questions
Blue Cross Blue Shield of Massachusetts payer FAQs
How do I check claim status with Blue Cross Blue Shield of Massachusetts?
Providers check Blue Cross Blue Shield of Massachusetts via EDI 276/277 when the payer ID is accepted. Substrate automates claim status across 3,500+ payers.
What is the payer ID for Blue Cross Blue Shield of Massachusetts?
The primary payer ID for Blue Cross Blue Shield of Massachusetts is 700. 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 Blue Shield of Massachusetts?
The provider portal for Blue Cross Blue Shield of Massachusetts is https://apps.availity.com/. Available features depend on the payer and your account.
What are the 837 payer IDs for Blue Cross Blue Shield of Massachusetts?
The 837P and 837I payer ID for Blue Cross Blue Shield of Massachusetts is 700 via Stedi.
What is the 835 payer ID for Blue Cross Blue Shield of Massachusetts?
The 835 payer ID for Blue Cross Blue Shield of Massachusetts is 700 via Stedi.
What is the 270 payer ID for Blue Cross Blue Shield of Massachusetts?
The 270 payer IDs for Blue Cross Blue Shield of Massachusetts are 700 via Stedi and 700 via Availity.
What is the 276 payer ID for Blue Cross Blue Shield of Massachusetts?
The 276 payer IDs for Blue Cross Blue Shield of Massachusetts are 700 via Stedi and 700 via Availity.
What states does Blue Cross Blue Shield of Massachusetts operate in?
Blue Cross Blue Shield of Massachusetts operates in MA and NH.
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.
| Payer name | Blue Cross Blue Shield of MassachusettsSource: Substrate payer directory · last refreshed |
|---|---|
| Operating states | MA, NHSource: Substrate payer directory · last refreshed |
| 837P professional claims payer IDStedi | 700Source: Stedi payer catalog · catalog dated · matched by payer ID |
| 837I institutional claims payer IDStedi | 700Source: Stedi payer catalog · catalog dated · matched by payer ID |
| 835 ERA payer IDStedi | 700Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID |
| 270 eligibility payer IDStedi | 700Source: Stedi payer catalog · catalog dated · matched by payer ID |
| 270 eligibility payer IDAvaility | 700Source: Availity payer catalog · catalog dated · matched by payer ID |
| 276 claim status payer IDStedi | 700Source: Stedi payer catalog · catalog dated · matched by payer ID |
| 276 claim status payer IDAvaility | 700Source: Availity payer catalog · catalog dated · matched by payer ID |
Routing sources and verification
- Substrate payer directoryPayer identity, aliases, operating states, and vendor IDs. Last refreshed .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.
Payer contact directory
Blue Cross Blue Shield of Massachusetts 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 BLUE SHIELD OF MASSACHUSETTS
- Payer fax
(888) 282-1321BLUE CROSS BLUE SHIELD OF MASSACHUSETTS
| Channel and number | Payer Notes | Department | Specialties |
|---|---|---|---|
fax(888) 282-1321 |
| ||
| phone(203) 250-2601 | Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information |
| Dental Care |
| phone(800) 335-8289 | Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information |
| Dental Care |
| phone(800) 676-2583 | Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information |
| Hospital, Hospital - Inpatient |
| phone(800) 972-8088 | Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information |
| Hospital, Hospital - Inpatient |
| phone(844) 805-9802 | Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information |
| Pharmacy |
| phone(800) 238-2227 | Other stated context, Prior authorizationBenefit context: Co-Payment; Benefit context: Co-Insurance |
| Hospital, Hospital - Inpatient, Urgent Care |
| phone(800) 888-9255 | Utilization managementBenefit context: Co-Insurance |
| Hospital |
| phone(800) 892-1893 | Utilization managementBenefit context: Co-Insurance |
| Hospital |
| phone(855) 343-4851 | Utilization managementBenefit context: Co-Insurance |
| Hospital |
| phone(866) 470-6244 | Utilization managementBenefit context: Co-Insurance |
| Hospital |
| phone(800) 397-7337 | Other stated contextBenefit context: Co-Insurance |
| Hospital - Inpatient |
| phone(800) 664-2583 | Other stated contextBenefit context: Active Coverage |
| Health Benefit Plan Coverage |
| phone(800) 922-6621 | Other stated contextBenefit context: Co-Insurance |
| Hospital, Hospital - Inpatient |
| phone(855) 243-3326 | Other stated contextBenefit context: Co-Insurance |
| Hospital - Inpatient |
| phone(877) 342-5258 | Other stated contextBenefit context: Co-Insurance |
| Hospital - Inpatient |
| phone(800) 214-4844 |
| ||
| phone(800) 327-6716 |
| ||
| phone(800) 727-2227 |
|
Phone and fax numbers sourced directly from the payer response