Provider Profile

Marsha J. Treadwell, PhD

Unclaimed Profile

About Dr. Treadwell

Marsha J. Treadwell, PhD is a psychologist practicing in Oakland, CA. This provider record is associated with NPI 1851955058.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Psychologist (Primary)

Credentials & Licensing

CA · PsychologistBoard of Psychology
No. 9981CurrentExpires Aug 2028Since 1987
NPINational Provider Identifier
1851955058Issued 2019

Snapshot · verify with the board ↗

Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Treadwell?

Dr. Treadwell is a psychologist in Oakland, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Dr. Treadwell's address?

Dr. Treadwell is listed at 747 52Nd St, Oakland, CA 94609. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Treadwell?

The number on file is (510) 428-3356. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Treadwell's NPI number?

Dr. Treadwell's National Provider Identifier is 1851955058. 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

How long has Dr. Treadwell been practicing?

Dr. Treadwell has 7+ years experience. Registered with an NPI since 2019. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Treadwell confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Treadwell. If this is you, claiming it is free.

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