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Blue Shield of California Promise Health Plan (Care1st Health Plan California)

Blue Shield CA Promise Health Plan

Primary payer ID
57115Compare transaction IDs ↓
Last successful claim statusNo successful response observedObserved across Substrate's claim-status network.
Currently not answeringEDI 270/271

Is your practice experiencing high volumes of no response claims or denials from Blue Shield of California Promise Health Plan (Care1st Health Plan California)? Try Substrate Denial Intelligence here -->.

Coverage profile

How Substrate can help you with Blue Shield of California Promise Health Plan (Care1st Health Plan California)

Substrate can help practices and billers with the following claims tasks for Blue Shield of California Promise Health Plan (Care1st Health Plan California).

Eligibility

EDI 270/271

The Substrate Eligibility Agent can verify patient benefits, identify TPAs and carve-outs, and more with Blue Shield of California Promise Health Plan (Care1st Health Plan California).

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

5 days
10% of adjudications by
2 days
90% of adjudications by
6 days
Applicable state coverage
CA
Current As Of
July 2026

Five-month median trend

Days to 835 payment
Blue Shield of California Promise Health Plan (Care1st Health Plan California) 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.0510AprMayJunJulAug
View chart data as a table
Blue Shield of California Promise Health Plan (Care1st Health Plan California) observed adjudication timing by service month
Service monthMedian10% of adjudications by90% of adjudications byCompleted claimsCoverage
AprNo qualified data
MayNo qualified data
Jun5 days1 day6 days165CA
Jul5 days2 days6 days203CA
AugNo qualified data

Frequently asked questions

Blue Shield of California Promise Health Plan (Care1st Health Plan California) payer FAQs

What is the payer ID for Blue Shield of California Promise Health Plan (Care1st Health Plan California)?

The primary payer ID for Blue Shield of California Promise Health Plan (Care1st Health Plan California) is 57115. The correct routing ID can differ by clearinghouse and transaction, so compare the 837P, 837I, 835, 270, and 276 entries before submitting.

What are the 837 payer IDs for Blue Shield of California Promise Health Plan (Care1st Health Plan California)?

The 837P and 837I payer ID for Blue Shield of California Promise Health Plan (Care1st Health Plan California) is 57115 via Stedi.

What is the 835 payer ID for Blue Shield of California Promise Health Plan (Care1st Health Plan California)?

The 835 payer ID for Blue Shield of California Promise Health Plan (Care1st Health Plan California) is 57115 via Stedi.

What is the 270 payer ID for Blue Shield of California Promise Health Plan (Care1st Health Plan California)?

The 270 payer ID for Blue Shield of California Promise Health Plan (Care1st Health Plan California) is 57115 via Stedi.

What state does Blue Shield of California Promise Health Plan (Care1st Health Plan California) operate in?

Blue Shield of California Promise Health Plan (Care1st Health Plan California) operates in CA.

Resource library

Routing reference

Blue Shield of California Promise Health Plan (Care1st Health Plan California) 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 Shield of California Promise Health Plan (Care1st Health Plan California) payer name, operating states, and transaction-specific payer IDs
Payer nameBlue Shield of California Promise Health Plan (Care1st Health Plan California)Source: Substrate payer directory · last refreshed
Operating statesCASource: Substrate payer directory · last refreshed
837P professional claims payer IDStedi57115Source: Stedi payer catalog · catalog dated · matched by payer ID
837I institutional claims payer IDStedi57115Source: Stedi payer catalog · catalog dated · matched by payer ID
835 ERA payer IDStedi57115Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID
270 eligibility payer IDStedi57115Source: Stedi 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 Shield of California Promise Health Plan. Source dated .PrimaryPayerId is used as the transaction payer ID when the corresponding Stedi support flag is true.Open current Stedi 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 Shield of California Promise Health Plan (Care1st Health Plan California) 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.

Other stated context phone
(800) 541-6652BLUE SHIELD OF CALIFORNIA
Other stated context fax
(323) 889-2100BLUE SHIELD OF CALIFORNIA PROMISE HEALTH PLAN
Blue Shield of California Promise Health Plan (Care1st Health Plan California) payer phone and fax directory
Channel and numberPayer NotesDepartmentSpecialties
fax(323) 889-2100Other stated contextBenefit context: Co-Payment
  • BLUE SHIELD OF CALIFORNIA PROMISE HEALTH PLAN
Hospital
fax(844) 295-4637Other stated contextBenefit context: Co-Insurance; Benefit context: Co-Payment
  • BLUE SHIELD OF CALIFORNIA
Hospital
phone(800) 676-2583Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • CUSTOMER SERVICE
Hospital, Hospital - Inpatient
phone(800) 541-6652Other stated contextBenefit context: Co-Insurance; Benefit context: Co-Payment
  • BLUE SHIELD OF CALIFORNIA
Hospital
phone(800) 605-2556Other stated contextBenefit context: Co-Payment
  • BLUE SHIELD OF CALIFORNIA PROMISE HEALTH PLAN
Hospital

Phone and fax numbers sourced directly from the payer response

Other aliases

Also known as

  • 10973
  • 1627
  • 57115
  • 57115MA
  • 6114
  • Care1st Health Plan California
  • CARE 1ST HEALTH PLAN CALIFORNIA
  • CARE 1ST HEALTH PLAN OF CA

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 — providers should 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.

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