GPW Interventional Pain Management, a Professional Corporation

Primary specialty

Interventional Pain Medicine PhysicianTaxonomy code 208VP0014X

Legal business name

GPW INTERVENTIONAL PAIN MANAGEMENT, A PROFESSIONAL CORPORATION

Practice address

1250 S Sunset Ave Ste 206
West Covina, CA 91790-3962

Phone

(877) 331-3878

Fax

(888) 578-6188

NPI assigned

Oct 1, 2015

Organization subpart

No

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

Authorized official

Name

Grant P Williams, MD

Title

President

Phone

(877) 331-3878

Specialties & licenses 3

Addresses

Locations

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

{
    "created_epoch": "1443657600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1750377600000",
    "number": "1124498274",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2275 HUNTINGTON DR",
            "address_2": "SUITE 371",
            "city": "SAN MARINO",
            "state": "CA",
            "postal_code": "911082640",
            "telephone_number": "877-331-3878",
            "fax_number": "888-578-6188"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1250 S SUNSET AVE STE 206",
            "city": "WEST COVINA",
            "state": "CA",
            "postal_code": "917903962",
            "telephone_number": "877-331-3878",
            "fax_number": "888-578-6188"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GPW INTERVENTIONAL PAIN MANAGEMENT, A PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2015-10-01",
        "last_updated": "2025-06-20",
        "certification_date": "2025-06-20",
        "status": "A",
        "authorized_official_last_name": "WILLIAMS",
        "authorized_official_first_name": "GRANT",
        "authorized_official_middle_name": "P",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "877-331-3878",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Anesthesiology, Pain Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208VP0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pain Medicine, Pain Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208VP0014X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pain Medicine, Interventional Pain Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Jeffrey-Jonathan Ocfemia Granados, O.D.

• Interventional Pain Medicine Physician in West Covina, CA
• Providers in West Covina, CA by specialty
• Interventional Pain Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 20, 2025; 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.