Physician Profile

Marshall Katzman, M.D.

Unclaimed Profile

About Dr. Katzman

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Specialty

Psychiatry (Primary)

Credentials & Licensing

NPI1306853676
NPI issued08/01/2006

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.

Common questions

What is Marshall Katzman's specialty?

Marshall Katzman is a psychiatrist in East Saint Louis, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.

NPI registry

Where can I find Marshall Katzman?

Marshall Katzman is listed at 4601 State St, East Saint Louis, IL 62205. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Marshall Katzman?

The number on file is (618) 482-6420. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Marshall Katzman's NPI number?

Marshall Katzman's National Provider Identifier is 1306853676. 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 Marshall Katzman been practicing?

Marshall Katzman has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Marshall Katzman confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Marshall Katzman. 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.