Provider Profile
Robert L. Lay, LMFT is a marriage & family therapist practicing in Mill Valley, CA. This provider record is associated with NPI 92001000035979.
Factual summary compiled by Guide.md from public records; not written by this provider.
This profile was created from that file: the provider holds a California licence and no NPI on record. Licence standing is from the California Department of Consumer Affairs public licensee file, read on Sep 26, 2026. The board is the record of authority; check it there before relying on it.
Robert L. Lay is a marriage and family therapist in Mill Valley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Marriage & Family Therapist”.
NPI registry
Robert L. Lay is listed at Mill Valley, CA 94941. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
Robert L. Lay's National Provider Identifier is 92001000035979. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Robert L. Lay. If this is you, claiming it is free.
Guide.md
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