Physician Profile

Martin J. Greenberg, M.D

Unclaimed Profile

About Dr. Greenberg

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Specialty

Specialist (Primary)

Credentials & Licensing

IL license036055515
NPI1669698528
NPI issued04/18/2007

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 Martin J. Greenberg's specialty?

Martin J. Greenberg is a specialist in Chicago, IL. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Martin J. Greenberg?

Martin J. Greenberg is listed at 3000 N Halsted St Ste 611, Chicago, IL 60657. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Martin J. Greenberg?

The number on file is (773) 296-3900. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Martin J. Greenberg's NPI number?

Martin J. Greenberg's National Provider Identifier is 1669698528. 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 Martin J. Greenberg been practicing?

Martin J. Greenberg has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Martin J. Greenberg confirmed this information?

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