Donald James Jacob, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

176605 Issued in NY

Practice address

6161 Transit Rd
Suite 6
East Amherst, NY 14051-2606

Phone

(716) 688-6161

Fax

(716) 636-5084

NPI assigned

Apr 4, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1175644800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1346362894",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8169 OAK LEAF LN",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142212856",
            "telephone_number": "716-639-8011",
            "fax_number": "716-639-7590"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6161 TRANSIT RD",
            "address_2": "SUITE 6",
            "city": "EAST AMHERST",
            "state": "NY",
            "postal_code": "140512606",
            "telephone_number": "716-688-6161",
            "fax_number": "716-636-5084"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JACOB",
        "first_name": "DONALD",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-04-04",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "202C00000X",
            "taxonomy_group": "",
            "desc": "Independent Medical Examiner",
            "state": "NY",
            "license": "176605-4B",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "176605",
            "primary": true
        },
        {
            "code": "2083X0100X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Occupational Medicine",
            "state": "NY",
            "license": "176605",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Independence Home Care of New York
• Lesthia Isaacs
• Shoshana Izkhakov, DPT
• Jennifer M Jackson, SLP
• Lymarilys Jackson, PMHNP
• Jacqueline Szczupakowski DDS, PLLC
• Katie Ann Janik
• Katherine Janson, OTR/L
• Tanya Marie Jarnot, PT
• Patricia A Jeffries

• Internal Medicine Physician in East Amherst, NY
• Providers in East Amherst, NY by specialty
• Internal Medicine Physician in New York

• 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.