Provider Profile
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License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
516 OAKLAND AVE STE 203
Oakland, CA 94611
666 Bellevue Ave
Oakland, CA 94610
Riva G. Szostkowski is a marriage and family therapist in Oakland, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Marriage & Family Therapist”.
NPI registry
Riva G. Szostkowski is listed at 516 Oakland Ave Ste 203, Oakland, CA 94611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (510) 241-2422. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Riva G. Szostkowski's National Provider Identifier is 1346190642. 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 Riva G. Szostkowski. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.