John J Ricciardelli, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1601461 Issued in NY

Practice address

112 Terryville Rd
Port Jefferson Station, NY 11776-1329

Phone

(631) 473-3900

Fax

(631) 474-4475

NPI assigned

Feb 13, 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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/2858/brand/1/csg/1/fhir/r4

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.

• Dr Michael Kaplan DO PC

  • Internal Medicine Physician
  • Smithtown, NY
  • NPI 1912086000
  NPD (past)
• North Shore Internal Medicine, PC

  • Internal Medicine Physician
  • Port Jefferson Station, NY
  • NPI 1285607069
  NPD (past)

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

{
    "created_epoch": "1139788800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1497729099",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1500 ROUTE 112",
            "address_2": "BLDG 4",
            "city": "PORT JEFFERSON STATION",
            "state": "NY",
            "postal_code": "117768055",
            "telephone_number": "631-574-8354",
            "fax_number": "631-509-6559"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "112 TERRYVILLE RD",
            "city": "PORT JEFFERSON STATION",
            "state": "NY",
            "postal_code": "117761329",
            "telephone_number": "631-473-3900",
            "fax_number": "631-474-4475"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RICCIARDELLI",
        "first_name": "JOHN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-13",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "1601461",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Donna Regina Reggio-Marks, M.S. CCC SLP
• Corinne Rose Registrato, M.A., CCC-SLP, TSSLD
• Robert P Reiner, DMD
• Hope Reinisch
• Retreat Day Spa LLC
• Elena Ricciardi I, LPN
• Mark Anthony Rienecker, D.D.S.
• Collen M Rienzie, LPN
• Rise Therapy LCSW PC
• Rite Aid of New York Inc

• Internal Medicine Physician in Port Jefferson Station, NY
• Providers in Port Jefferson Station, 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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; OIG LEIE.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.