Grant Allen Opper

Primary specialty

Physical TherapistTaxonomy code 225100000X

License

310862 Issued in CA

Practice address

10459 Mountain View Ave Ste G
Loma Linda, CA 92354-2033

Phone

(909) 478-9508

Fax

(909) 478-9518

NPI assigned

Aug 20, 2026

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

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

{
    "created_epoch": "1787184000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1174439152",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10459 MOUNTAIN VIEW AVE STE G",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923542033",
            "telephone_number": "909-478-9508",
            "fax_number": "909-478-9518"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10459 MOUNTAIN VIEW AVE STE G",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923542033",
            "telephone_number": "909-478-9508",
            "fax_number": "909-478-9518"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OPPER",
        "first_name": "GRANT",
        "middle_name": "ALLEN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-20",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "CA",
            "license": "310862",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lea Arabela Ongyiu, MD
• Leah Victoria Onsgard
• Chinwe F Onukaegbe
• Maureen Onyegbulem
• Chinasa Phoebe Onyemkpa, MD
• Michelle Opsahl, M.D.
• Raechel Emiko Opsahl, MD
• Charalambos Opsimos, M.D.
• Chinedum Daniel Oranusi, MD
• Jillian Orden, MD

• Physical Therapist in Loma Linda, CA
• Providers in Loma Linda, CA by specialty
• Physical Therapist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 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.