John Franklin Gianni, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

90839 Issued in GA

Practice address

301 W 57TH St Apt 45D
New York, NY 10019-3180

Phone

(601) 316-5844

NPI assigned

Mar 23, 2016

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Southeastern Rheumatology Alliance

  • Rheumatology Physician
  • Gainesville, GA
  • NPI 1114795663
  NPD (past)

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

{
    "created_epoch": "1458691200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783468800000",
    "number": "1750743399",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 W 57TH ST APT 45D",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100193180",
            "telephone_number": "601-316-5844"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 W 57TH ST APT 45D",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100193180",
            "telephone_number": "601-316-5844"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIANNI",
        "first_name": "JOHN",
        "middle_name": "FRANKLIN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-23",
        "last_updated": "2026-07-08",
        "certification_date": "2026-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "GA",
            "license": "90839",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anna Giannantonio, OTR/L
• Dimitris Theodore Giannaris, M.D.
• Cristina A Giannelli
• Nicole Giannetti, MD
• Robert Edward Giannetti Jr., DO
• Umberto Gianni, MD
• Anna Giannicchi
• Charles Alberto Giannini, BS RPH
• Deanna Giannini
• Georgia Giannopoulos, RD, CDN, CNSC

• Diagnostic Radiology Physician in New York, NY
• Providers in New York, NY by specialty
• Diagnostic Radiology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2026; 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.