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

Dr. Warren Albert Olson, MD

Individual provider Psychiatry Physician · NPI 1922166545

Dr. Warren Albert Olson, MD is a Psychiatry Physician in San Luis Obispo, California. Licensed in California. Registered with an NPI since 2006.

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

See every abbreviation used in this directory →

Practice location Address checks out

2178 Johnson Ave
San Luis Obispo, CA 93401-4535
Phone: (805) 781-4700
Fax: (805) 781-1272
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence C37203 (CA)

Record details

NPI number1922166545
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 5, 2006
Last updated in NPPESAugust 2, 2026

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