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Warren Olson, M.D.
NPI 1922166545 · Psychiatry Physician · San Luis Obispo, CA
Warren Olson, M.D. is a Psychiatry Physician provider in San Luis Obispo, CA (NPI 1922166545).
Provider details
- NPI number
- 1922166545
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C37203 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2178 Johnson Ave
San Luis Obispo, CA 93401-4535
Phone: (805) 781-4700
Fax: (805) 781-1272
Street-level locationGet directions
Mailing address
Po Box 1187
San Luis Obispo, CA 93406-1187
Registry dates
- Enumerated
- 2006-12-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Warren Olson's NPI number?
- Warren Olson's National Provider Identifier (NPI) is 1922166545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Olson's specialty?
- Warren Olson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Olson located?
- Warren Olson's practice location on file with NPPES is 2178 Johnson Ave, San Luis Obispo, CA 93401-4535.
- What is Warren Olson's phone number?
- The practice phone number listed in the NPPES registry for Warren Olson is (805) 781-4700.
- Is Warren Olson's NPI active?
- Yes — Warren Olson's NPI (1922166545) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.