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

Dr. Lester R Ryan, MD

Individual provider Psychiatry Physician · NPI 1487716718

Dr. Lester R Ryan, MD is a Psychiatry Physician in Fairfield, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

3291 Inwood Pl
Fairfield, CA 94534-8332
Phone: (707) 421-1198
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence A45767 (CA)

Record details

NPI number1487716718
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 14, 2006
Last updated in NPPESJuly 8, 2007
Mailing address3291 Inwood Pl, Fairfield, CA 94534-8332

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