Thomas Jay Neilson, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

ME82070 Issued in FL

Practice address

500 Water St # J-290
Jacksonville, FL 32202-4423

Phone

(904) 359-7645

Fax

(904) 359-3313

NPI assigned

Jul 14, 2006

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

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

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": "1152835200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1174549034",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 WATER ST # J-290",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322024423",
            "telephone_number": "904-359-7645",
            "fax_number": "904-359-3313"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 WATER ST # J-290",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322024423",
            "telephone_number": "904-359-7645",
            "fax_number": "904-359-3313"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEILSON",
        "first_name": "THOMAS",
        "middle_name": "JAY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-14",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "FL",
            "license": "ME82070",
            "primary": true
        },
        {
            "code": "2083P0500X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Preventive Medicine/Occupational Environmental Medicine",
            "state": "FL",
            "license": "ME82070",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mary Neikirk
• Neil K Stevenson DMD, PLLC
• Jhame' Neil
• Zachery Dylan Neil, MD
• Tonia Neill, CRNA
• Pamela R Neish, M.D.
• Frank Neives II
• Youssef Mohammed Nejjar, M.D
• Anterpreet Singh Neki, M.D.
• Caitlin Nelligan, AA

• Internal Medicine Physician in Jacksonville, FL
• Providers in Jacksonville, FL by specialty
• Internal Medicine Physician in Florida

• 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.