Eric Geffner, PH.D., CCGC, NCGC

Primary specialty

Addiction (Substance Use Disorder) PsychologistTaxonomy code 103TA0400X

License

PSY15581 Issued in CA

Practice address

1328 Westwood Blvd
Los Angeles, CA 90024-4941

Phone

(310) 446-3887

NPI assigned

Jun 21, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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

{
    "created_epoch": "1150848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1568408284",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1328 WESTWOOD BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900244932",
            "telephone_number": "310-446-3887"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1328 WESTWOOD BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900244941",
            "telephone_number": "310-446-3887"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEFFNER",
        "first_name": "ERIC",
        "name_prefix": "Dr.",
        "credential": "PH.D., CCGC, NCGC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-21",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TA0400X",
            "taxonomy_group": "",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "PSY15581",
            "primary": true
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY15581",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carol S. Gee, MD
• Simon Gee
• Kathleen S. Geer, LMFT
• Mimansa Geere, M.D.
• Jayce Matthew Geesey
• Mitchell Eugene Geffner, MD
• Ivor Geft, M.D.
• Samuel Gegamian, DMD
• Arti Taro Gehani, M.D.
• Connor Gregory Gehris, MD

• Addiction (Substance Use Disorder) Psychologist in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Addiction (Substance Use Disorder) Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.