John Michael Costable Jr., MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

198554 Issued in NY

Practice address

600 Northern Blvd
Ste 106
Great Neck, NY 11021-5200

Phone

(516) 466-6075

Fax

(516) 466-6044

NPI assigned

Jun 9, 2006

Last updated

Jul 13, 2026By the provider in NPPES

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

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

GastroenterologyAlso: Internal Medicine

Education

State University of New York at Stony Brook, School of Medicine, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Shore Medical Group of the Mount Sinai School of MedicineGroup PAC ID 8921999087, 325 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mount Sinai South Nassau Hospital, Oceanside, NY, CCN 330198

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

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

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

• North Shore Medical Group of the Mount Sinai School of Medicine

  dba Mount Sinai Doctors Long Island

  • Internal Medicine Physician
  • Greenlawn, NY
  • NPI 1275640609

  Gastroenterology

  Medicare reassignment Care Compare group NPD
• North Shore Medical Group of the Mount Sinai School of Medicine

  • Internal Medicine Physician
  • Wantagh, NY
  • NPI 1992417323

  Gastroenterology

  NPD
• Digestive Health Medical Assoc. PC

  • Gastroenterology Physician
  • New Hyde Park, NY
  • NPI 1629106885
  NPD (past)

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

• South Nassau Communities Hospital

  • General Acute Care Hospital
  • Oceanside, NY
  • NPI 1922079094
  Care Compare affiliation

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

{
    "created_epoch": "1149811200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1043251184",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 NORTHERN BLVD",
            "address_2": "STE 106",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "110215200",
            "telephone_number": "516-466-6075",
            "fax_number": "516-466-6044"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 NORTHERN BLVD",
            "address_2": "STE 106",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "110215200",
            "telephone_number": "516-466-6075",
            "fax_number": "516-466-6044"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COSTABLE",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "198554",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Susanne Katherine Corrales, OTR/L
• Luz Correa
• Rodene Ivan Buhayan Cortes, PT
• Gina Coscia, MD
• Sydney Coscia, RPA-C
• Rose Costanzo, MA CCC-SLP, TSSLD
• Grace Couch, FNP
• Counseling Solutions, LCSW, PC
• Harrison John Courtney
• Jenifer Courtney, PA

• Gastroenterology Physician in Great Neck, NY
• Providers in Great Neck, 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 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; 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.