Provider Profile
Margaret F. Sosnaud is a marriage & family therapist based in Mill Valley, CA. The provider's National Provider Identifier (NPI) is 1649903220.
Factual summary compiled by Guide.md from public records; not written by this provider.
333 MILLER AVE STE 2
Mill Valley, CA 94941
3702 Sacramento St
San Francisco, CA 94118
Margaret F. Sosnaud 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
Margaret F. Sosnaud is listed at 333 Miller Ave Ste 2, Mill Valley, CA 94941. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 690-9668. Contact the office directly to confirm availability and scheduling.
NPI registry
Margaret F. Sosnaud's National Provider Identifier is 1649903220. 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
Margaret F. Sosnaud has 4+ years experience. Registered with an NPI since 2022. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Margaret F. Sosnaud. If this is you, claiming it is free.
Guide.md
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