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

Allen Lytton Stark, MD

Individual provider Psychiatry Physician · NPI 1427125806

Allen Lytton Stark, MD is a Psychiatry Physician in Lake Oswego, Oregon. Licensed in Oregon and Texas. Registered with an NPI since 2006.

Licensed in
OR, TX
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

340 Oswego Pointe Dr Ste 205
Lake Oswego, OR 97034
Phone: (503) 635-9336
Fax: (503) 635-5414
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD15722 (OR)
Psychiatry Physician Taxonomy 2084P0800X · Licence E2875 (TX)

Record details

NPI number1427125806
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 29, 2006
Last updated in NPPESMarch 7, 2023

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