Warren Albert Olson, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

C37203 Issued in CA

Practice address

2178 Johnson Ave
San Luis Obispo, CA 93401-4535

Phone

(805) 781-4700

Fax

(805) 781-1272

NPI assigned

Dec 5, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1165276800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785628800000",
    "number": "1922166545",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1187",
            "city": "SAN LUIS OBISPO",
            "state": "CA",
            "postal_code": "934061187",
            "telephone_number": "805-595-2176"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2178 JOHNSON AVE",
            "city": "SAN LUIS OBISPO",
            "state": "CA",
            "postal_code": "934014535",
            "telephone_number": "805-781-4700",
            "fax_number": "805-781-1272"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSON",
        "first_name": "WARREN",
        "middle_name": "ALBERT",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-05",
        "last_updated": "2026-08-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "C37203",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Andrea Kathleen Ormonde, DC

• Psychiatry Physician in San Luis Obispo, CA
• Providers in San Luis Obispo, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.