ID: J3882
Other
CA

Marin Municipal Water District (ATHENS)

Marin Municipal Water District (also known as Marin Water or Marin Municipal Water District, MMWD) is a California public utility that provides water supply, treatment, distribution, and related customer services to residents and businesses in Marin County, CA. It is not a commercial health insurer – it is a municipal water utility that may appear on payer lists when organizations use payer codes for non‑insurance entities.

Capabilities

Professional Claims (1500)
Institutional Claims (UB-04)
Electronic Attachments
Workers' Comp
ERA/Remittance
Eligibility Verification
Claim Status Inquiry
Prior Authorization
Dental Claims
Secondary Claims
Real-Time Processing

Alternative Names

Name Payer ID
Marin Municipal Water District (ATHENS) / Marin Water J3882

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