John C Hahn, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

25MA04877800 Issued in NJ

Practice address

534 Avenue E Ste 1C
Bayonne, NJ 07002-3987

Phone

(201) 823-0450

Fax

(201) 823-3311

NPI assigned

Aug 17, 2006

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NJ

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

Gastroenterology

Education

Rutgers New Jersey Medical School, 1985

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Carepoint Health - Bayonne Medical Center Hospital, Bayonne, NJ, CCN 310025

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: john.hahn@direct.bayonnemedicalcenter.md

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.

• Ijkg Opco LLC

  • Skilled Nursing Facility
  • Bayonne, NJ
  • NPI 1437356755
  NPD
• Practice Associates Medical Group

  • Internal Medicine Physician
  • Morristown, NJ
  • NPI 1427016385
  NPD

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

• Ijkg Opco LLC

  • General Acute Care Hospital
  • Bayonne, NJ
  • NPI 1821101239
  Care Compare affiliation

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

{
    "created_epoch": "1155772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1687996800000",
    "number": "1538272091",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 416457",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022416457",
            "telephone_number": "844-362-1735",
            "fax_number": "973-290-7495"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "534 AVENUE E STE 1C",
            "city": "BAYONNE",
            "state": "NJ",
            "postal_code": "070023987",
            "telephone_number": "201-823-0450",
            "fax_number": "201-823-3311"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAHN",
        "first_name": "JOHN",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-08-17",
        "last_updated": "2023-06-29",
        "certification_date": "2023-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "NJ",
            "license": "MA48778",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NJ",
            "license": "25MA04877800",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3416909",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sita Gurung, DMD
• Anny Guzman, DOULA
• Nicole Carmen Guzman, PA
• Priscilla F Guzman
• Gwen Giannina DDS, LLC
• Peter Halecky
• Philip Hall, MD
• Randa Mounah Hamadeh, M.D.
• Ashkan Hamzelou, D.O.
• Mamdouh S Hanna, M.D.

• Gastroenterology Physician in Bayonne, NJ
• Providers in Bayonne, NJ by specialty
• Gastroenterology Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 2023; 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.