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Provider Profile

Mark S. Chinowsky

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At a glance

About Mark Chinowsky

Based in Rancho Palos Verdes, CA, Mark S. Chinowsky is listed in the NPI registry under internal medicine. Mark is also listed as specializing in hematology & oncology. NPI 1699260539 identifies this record in the national registry.

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

Specialty

Internal Medicine (Primary)
Hematology & Oncology (Additional)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 23133DelinquentExpired Oct 31, 2025Since 1972
NPINational Provider Identifier
1699260539Issued 2018

Snapshot · verify with the board ↗

Common questions

What kind of doctor is Mark S. Chinowsky?

Mark S. Chinowsky is an internist in Rancho Palos Verdes, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

What is Mark S. Chinowsky's address?

Mark S. Chinowsky is listed at 3368 Crownview Dr, Rancho Palos Verdes, CA 90275. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Mark S. Chinowsky?

The number on file is (310) 833-1632. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Mark S. Chinowsky?

Mark S. Chinowsky's National Provider Identifier is 1699260539. 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 much experience does Mark S. Chinowsky have?

Mark S. Chinowsky has 8+ years experience. Registered with an NPI since 2018. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Mark S. Chinowsky's profile verified?

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

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