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.
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.
Coordination of benefits
Real-time checkThe 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.
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
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 | ||||
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 · data last changed |
|---|---|
| Operating states | MA, NHSource: Substrate payer directory · data last changed |
| 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. 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
| Channel and number | Payer Notes | Department | Specialties |
|---|---|---|---|
| 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(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) 664-2583 | Other stated contextBenefit context: Active Coverage |
| Health Benefit Plan Coverage |
| phone(877) 342-5258 | Other stated contextBenefit context: Co-Insurance |
| Hospital - Inpatient |
| phone(800) 214-4844 |
| ||
| phone(800) 327-6716 |
| ||
| phone(800) 727-2227 |
|
Numbers stated in payer eligibility responses; scope may depend on benefits, products, or departments.
Fax numbers1
| Channel and number | Payer Notes | Department | Specialties |
|---|---|---|---|
| fax(888) 282-1321 |
|
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






