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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WARREN ALBERT OLSON M.D.
NPI 1922166545
Psychiatry & Neurology - Psychiatry in San Luis Obispo, CA

Active since December 05, 2006
2178 JOHNSON AVE, SAN LUIS OBISPO, CA 93401(805) 781-4700(805) 781-1272 Get Directions Write a Review

NPPES record last updated: August 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Warren Albert Olson M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WARREN ALBERT OLSON M.D. (NPI 1922166545) is an individual psychiatry provider in San Luis Obispo, California, licensed in California (C37203) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1922166545
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. WARREN ALBERT OLSONCredential: M.D.
Location Address2178 JOHNSON AVESan Luis Obispo, CA 93401-4535
Mailing AddressPo Box 1187San Luis Obispo, CA 93406-1187 · (805) 595-2176
Phone(805) 781-4700
Fax(805) 781-1272
Sole ProprietorNo
Enumeration DateDecember 5, 2006
Last NPPES UpdateAugust 2, 2026
✔ NPI 1922166545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · C37203
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
2178 JOHNSON AVE, San Luis Obispo, CA 93401
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CALLIE ROSE BOLLER
Marriage & Family Therapist
2178 JOHNSON AVE
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 781-4700
CAMDEN SCHLEISNER
Psychiatric Hospital
2178 JOHNSON AVE
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 781-4711
SUSIE JULIANA BAUTISTA
Marriage & Family Therapist
2178 JOHNSON AVE
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 781-4960
THOMAS BURDICK
Counselor (Mental Health)
2178 JOHNSON AVE
SAN LUIS OBISBO, CA 93401
San Luis Obispo County (805) 781-4711
KIMBERLY SEAMAN
Counselor (Mental Health)
2178 JOHNSON AVE
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 781-4700
JENNIFER N KUIKEN LPT
Licensed Psychiatric Technician
2178 JOHNSON AVE
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 781-4712
RONALD ANTHONY VERDUSCO
Nurse's Aide
2178 JOHNSON AVE
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 781-4711
RANDY LEE SCHEIDERER PSYCHIATRIC TECH
Licensed Psychiatric Technician
2178 JOHNSON AVE
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 781-4723

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Warren Olson's NPI number?

The NPI number for Warren Olson is 1922166545. It was assigned to this individual provider in the NPPES registry on December 5, 2006.

Where is Warren Olson located?

Warren Olson practices at 2178 Johnson Ave, San Luis Obispo, CA 93401. The listed phone number is (805) 781-4700.

What is Warren Olson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Warren Olson was last updated on August 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.