Katherine L. Klaassen, MD, is a psychiatrist practicing in Muskogee, Oklahoma, with a focus on geriatric psychiatry. Muskogee also has 6 psychiatrists and 12 psychologists listed in this directory.
Geriatric Psychiatry
Psychiatric care for older adults, including depression, memory-related symptoms and medication management.
This listing comes from the public NPI registry. Confirm availability, insurance and fit directly with the practice.
Listings are based on the public National Plan and Provider Enumeration System (NPPES) registry and may not reflect current availability, insurance, or license status. Always confirm details directly with the provider. Are you a listed psychiatrist? Claim or update your profile.