James Robert Pellegrini Jr., MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

319413 Issued in NY

Practice address

506 6TH St
Brooklyn, NY 11215-3609

Phone

(718) 780-3000

NPI assigned

Mar 22, 2019

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

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in NY

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.

Enrollment records 1

Specialty

Internal Medicine

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Nassau Health Care CorporationGroup PAC ID 2961315221, 179 clinicians

North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians

Southwest Suffolk Medical PCGroup PAC ID 0244396349, 204 clinicians

John T Mather Memorial HospitalGroup PAC ID 1254237753, shared by 6 NPIs, 176 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• NS/Lij HS Southside Hospital Hospital, Bay Shore, NY, CCN 330043
• St Catherine of Siena Hospital Hospital, Smithtown, NY, CCN 330401
• John T Mather Memorial Hospital of Port Jefferson Hospital, Port Jefferson, NY, CCN 330185

Merit-based Incentive Payment System (MIPS)

Final score

93.07 of 100Reported as apm

Quality

79.77

Promoting interoperability

88.77

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H5989

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.

• Nassau Health Care Corporation

  • General Acute Care Hospital
  • East Meadow, NY
  • NPI 1902822992
  Medicare reassignment Care Compare group NPD
• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment Care Compare group NPD
• Southwest Suffolk Medical, P.C.

  • Surgical Oncology Physician
  • Smithtown, NY
  • NPI 1104096049
  Medicare reassignment Care Compare group NPD
• John T. Mather Memorial Hospital

  • Psychiatry Physician
  • Port Jefferson Station, NY
  • NPI 1376642371
  Medicare reassignment NPD
• John T. Mather Memorial Hospital

  • Critical Care Medicine (Internal Medicine) Physician
  • Port Jefferson, NY
  • NPI 1467249334
  Medicare reassignment NPD
• John T. Mather Memorial Hospital

  • Hospitalist Physician
  • Port Jefferson, NY
  • NPI 1932296316
  NPD
• Nassau Health Care Corporation

  • General Acute Care Hospital
  • East Meadow, NY
  • NPI 1639194228
  NPD
• Nassau Health Care Corporation

  • General Acute Care Hospital
  • East Meadow, NY
  • NPI 1730530940
  NPD
• North Shore - Lij Medical PC

  • Internal Medicine Physician
  • New Hyde Park, NY
  • NPI 1790043479
  NPD
• Southwest Suffolk Medical PC

  • Family Medicine Physician
  • Lindenhurst, NY
  • NPI 1770919763
  NPD
• South Shore University Hospital

  • General Acute Care Hospital
  • Bay Shore, NY
  • NPI 1457369381
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• John T. Mather Memorial Hospital

  • General Acute Care Hospital
  • Port Jefferson, NY
  • NPI 1093718728
  Care Compare affiliation
• South Shore University Hospital

  • General Acute Care Hospital
  • Bay Shore, NY
  • NPI 1457369381
  Care Compare affiliation
• St. Catherine of Siena Medical Center

  • General Acute Care Hospital
  • Smithtown, NY
  • NPI 1982663423
  Care Compare affiliation

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

{
    "created_epoch": "1553212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783468800000",
    "number": "1619437845",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2649 STRANG BLVD STE 304",
            "city": "YORKTOWN HEIGHTS",
            "state": "NY",
            "postal_code": "105982938"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "506 6TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112153609",
            "telephone_number": "718-780-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2201 Hempstead Tpke",
            "address_purpose": "LOCATION",
            "city": "East Meadow",
            "state": "NY",
            "postal_code": "115541859",
            "country_code": "US",
            "telephone_number": "516-572-0123",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PELLEGRINI",
        "first_name": "JAMES",
        "middle_name": "ROBERT",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-22",
        "last_updated": "2026-07-08",
        "certification_date": "2026-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "319413",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "irm9045@DIRECT.NYP.ORG",
            "affiliation": "N",
            "endpointDescription": "DIRECT ADDRESS",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "DIRECT ADDRESS",
            "address_1": "506 6th St",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112153609",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "506 6th St",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112153609",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "506 6th St",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112153609",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Pella Care
• Gabriella Pellach
• Linda Pellagrini, M.S.P.A., CCC-SP
• Elizabeth Pellegrini, P.T.
• James R Pellegrini, MD
• John Joseph Pellegrini, M.D.
• Sandra Pellegrini
• Carla Pellegrino, MD
• Jenna M Pellegriti, M.A
• James Pellegrito

• Gastroenterology Physician in Brooklyn, NY
• Providers in Brooklyn, NY by specialty
• Gastroenterology 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.