James Leonard Comazzi, M.D.

Primary specialty

SpecialistTaxonomy code 174400000X

License

G39987 Issued in CA

Practice address

900 Greenley Rd
Suite 911
Sonora, CA 95370-5287

Phone

(209) 532-0511

Fax

(209) 532-6092

NPI assigned

Jun 2, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1149206400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1144268392",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "900 GREENLEY RD",
            "address_2": "SUITE 911",
            "city": "SONORA",
            "state": "CA",
            "postal_code": "953705287",
            "telephone_number": "209-532-0511",
            "fax_number": "209-532-6092"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 GREENLEY RD",
            "address_2": "SUITE 911",
            "city": "SONORA",
            "state": "CA",
            "postal_code": "953705287",
            "telephone_number": "209-532-0511",
            "fax_number": "209-532-6092"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COMAZZI",
        "first_name": "JAMES",
        "middle_name": "LEONARD",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "G39987",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G399870",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• David Paul Cline
• Edward William Clinite, D.O.
• Elizabeth H Coe
• Kiara Coleman
• Sarah S Collie, LMFT
• Continuum Family Health Medical Corporation
• Gina L Cook
• Zachary Adam Cooper, M.D.
• Suzanne Corgiat, MA IN PSYCHOLOGY
• Russell Norman Cotteral, OD

• Specialist in Sonora, CA
• Providers in Sonora, CA by specialty
• Specialist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.