Thomas Christopher Olona, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSY 14944 Issued in CA

Practice address

100 N Brand Blvd
Suite 603
Glendale, CA 91203-2641

Phone

(818) 476-0117

NPI assigned

Oct 3, 2006

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, 1993

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

Practice roles

Locations

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

• Thomas C. Olona, Psychologist, Professional Corporation

  • Psychologist
  • Glendale, CA
  • NPI 1871867614
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1159833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776038400000",
    "number": "1164516886",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 N BRAND BLVD STE 603",
            "city": "GLENDALE",
            "state": "CA",
            "postal_code": "912032641",
            "telephone_number": "818-476-0117"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 N BRAND BLVD",
            "address_2": "SUITE 603",
            "city": "GLENDALE",
            "state": "CA",
            "postal_code": "912032641",
            "telephone_number": "818-476-0117"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLONA",
        "first_name": "THOMAS",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-10-03",
        "last_updated": "2026-04-13",
        "certification_date": "2026-04-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY 14944",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Olive Crest
• Oliveglen Home Health Care, Inc.
• Hailey Oliver
• Olivia'S Home Health Care, Inc
• Sevak Olmessekian
• Debra Olsen, HAP
• Kristen Olsen, LMFT
• Raymond Olvera
• Olympic Rehab Center
• Omega Hospice Care, Inc.

• Clinical Psychologist in Glendale, CA
• Providers in Glendale, 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 13, 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.