Michael Gene Ondrusek, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSY8461 Issued in CA

Practice address

3252 Holiday CT Ste 107
La Jolla, CA 92037-1807

Phone

(858) 449-8788

Fax

(858) 273-5657

NPI assigned

Jan 26, 2007

Last updated

Apr 2, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 1978

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Belzer & Grunhaus-Belzer Psychological Corporation

  • Clinical Psychologist
  • San Diego, CA
  • NPI 1558411686
  NPD (past)

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

{
    "created_epoch": "1169769600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1972659761",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2329 LORING ST",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921092346",
            "telephone_number": "858-449-8788",
            "fax_number": "858-273-5657"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3252 HOLIDAY CT STE 107",
            "city": "LA JOLLA",
            "state": "CA",
            "postal_code": "920371807",
            "telephone_number": "858-449-8788",
            "fax_number": "858-273-5657"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ONDRUSEK",
        "first_name": "MICHAEL",
        "middle_name": "GENE",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-26",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY8461",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Pamela Vines Ombres, MD
• Bonnie Susan Omeara, NP
• Tiffany Omeara, PH.D.
• Jad Omran, MD
• Meral Omurtag, M.D.
• Rachel Oneal, MA, CCC-SLP
• Jacqueline Chideade Onwuzurike, PHARMD
• Open Mind Mental Health Physicians, Inc. (Open Mind Health)
• Anthony Joseph Opilka, D.D.S.
• Optimum Fitness & Health

• Clinical Psychologist in La Jolla, CA
• Providers in La Jolla, CA by specialty
• Clinical Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.