Physician Profile

Katherine L. Klaassen, MD

Unclaimed Profile

About Dr. Klaassen

Based in Muskogee, OK, Katherine L. Klaassen, MD is listed in the NPI registry under geriatric psychiatry. Katherine is also listed as specializing in psychiatry.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.

Specialty

Geriatric Psychiatry (Primary)
Geriatric Psychiatry (Additional)

Credentials & Licensing

OK license18532
NPI1114937034
NPI issued08/09/2006

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 Dr. Klaassen's specialty?

Dr. Klaassen is a geriatric psychiatry in Muskogee, OK. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Dr. Klaassen?

Dr. Klaassen is listed at 1011 Honor Heights Dr Department of Veterans Affairs- Medical Center, Muskogee, OK 74401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Klaassen?

The number on file is (918) 680-3699. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Klaassen's NPI number?

Dr. Klaassen's National Provider Identifier is 1114937034. 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. Klaassen been practicing?

Dr. Klaassen 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 Dr. Klaassen confirmed this information?

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