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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

KATHERINE LYNN KLAASSEN, MD

Active Sole Proprietor

KATHERINE LYNN KLAASSEN, MD is a Geriatric Psychiatry healthcare provider located in MUSKOGEE, Oklahoma. NPI 1114937034 is currently active in the NPPES registry. Verify at CMS.

Geriatric Psychiatry · MUSKOGEE, OK

Registration Details

NPI Number
1114937034
Provider Type
Individual
Gender
Female
NPI Issued
Aug 9, 2006 (20.032942549093 yrs)
Last Updated
Sep 11, 2025
Licenses
18532 (OK)
18532 (OK)
Sole Proprietor
Yes

Practice Information

Address
1011 HONOR HEIGHTS DR
DEPARTMENT OF VETERANS AFFAIRS- MEDICAL CENTER
MUSKOGEE, OK, 744011318
Browse OK providers · Browse ZIP 74401
Phone
9186803699
Fax
9186803701
Primary Specialty
Geriatric Psychiatry
2084P0805X
Additional Specialty
Geriatric Psychiatry
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.