Provider Profile

Ellen J. Zemarkowitz, LCSW

Unclaimed Profile

About Ellen Zemarkowitz

Listed in the NPI registry as a mental health counselor, Ellen J. Zemarkowitz, LCSW practices in Palo Alto, CA. Ellen is also listed as specializing in clinical social worker.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Mental Health Counselor (Primary)
Mental Health Counselor (Additional)

Credentials & Licensing

CA licenseLCSW89459
CA license89459
NPI1053252957
NPI issued04/03/2026

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.

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 is Ellen J. Zemarkowitz's specialty?

Ellen J. Zemarkowitz is a mental health counselor in Palo Alto, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Ellen J. Zemarkowitz?

Ellen J. Zemarkowitz is listed at 725 Welch Rd, Palo Alto, CA 94304. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Ellen J. Zemarkowitz?

The number on file is (650) 497-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Ellen J. Zemarkowitz?

Ellen J. Zemarkowitz's National Provider Identifier is 1053252957. 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

Is Ellen J. Zemarkowitz's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Ellen J. Zemarkowitz. 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.