Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Jonathan Treat Walker, MD

Individual provider Psychiatry Physician · NPI 1033298534

Dr. Jonathan Treat Walker, MD is a Psychiatry Physician in Bethesda, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4710 Bethesda Ave Ste 1303
Bethesda, MD 20814-5213
Phone: (301) 922-8406
Fax: (301) 654-0236
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence D0053820 (MD)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence D0053820 (MD)

Record details

NPI number1033298534
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 3, 2006
Last updated in NPPESSeptember 11, 2025

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