Medi-Cal Managed Care Provider Listings for California

Monthly provider data for California's Medi-Cal Managed Care Plans, submitted via X12 274 Transaction files. The listing includes 24 Managed Care Plans as of January 2024, with provider details and address information.

Use Cases

• Analyze provider network composition across the 24 Managed Care Plans using Managed Care Provider Category fields.
• Geocode provider locations for service area analysis using address details.
• Track monthly changes in provider listings submitted via the X12 274 Transaction process.
• Cross-reference submitted provider taxonomy with the ANC Provider Taxonomy crosswalk for data validation.

Strengths

• Data is submitted monthly by health plans, providing regular updates.
• Includes 24 distinct Managed Care Plans as of January 2024.
• Provider details are enriched with Managed Care Provider Category and ANC Provider Type from a certified crosswalk.

Limitations

• The specific number of provider records (rows) and data fields (columns) is unknown.
• Data scope is limited to California's Medi-Cal program and may not be nationally representative.
• Relies on plan-submitted data which may contain inconsistencies or reporting lags.

Provenance

Source

State of California Department of Health Care Services (DHCS).

Collection Method

Submitted monthly by Managed Care Plans via X12 274 Transaction files, with additional fields looked up from the Managed Care Annual Network Certification (ANC) Provider Taxonomy crosswalk.

Time Range

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Freshness

Updated monthly; last platform update was March 2026.

Geography

California, United States.