Provider Profile
Mary Ann Kassier, LCSW is a clinical social worker practicing in Walnut Creek, CA. This provider record is associated with NPI 1285850990.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1849 BONANZA ST
Walnut Creek, CA 94596
Mary Ann Kassier is a clinical social worker in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Mary Ann Kassier is listed at 1849 Bonanza St, Walnut Creek, CA 94596. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (925) 746-2624. Contact the office directly to confirm availability and scheduling.
NPI registry
Mary Ann Kassier's National Provider Identifier is 1285850990. 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
Mary Ann Kassier has 19+ years experience. Registered with an NPI since 2007. 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 Mary Ann Kassier. If this is you, claiming it is free.
Guide.md
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