Physician Profile

Karen A. Mathewson, MD

Unclaimed Profile

About Dr. Mathewson

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Specialty

Psychiatry (Primary)

Credentials & Licensing

NY license243439
NPI1407054562
NPI issued07/10/2007

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 does Dr. Mathewson specialize in?

Dr. Mathewson is a psychiatrist in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.

NPI registry

Where is Dr. Mathewson located?

Dr. Mathewson is listed at 462 1St Ave Nbv 20N11, New York, NY 10016. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Mathewson's phone number?

The number on file is (212) 562-4742. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Mathewson's NPI number?

Dr. Mathewson's National Provider Identifier is 1407054562. 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. Mathewson been practicing?

Dr. Mathewson 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 Dr. Mathewson confirmed this information?

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