Gerard Carl Hellman, MD

Primary specialty

Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X

License

120354 Issued in NY

Practice address

184 East 70TH St
New York, NY 10021-5154

Phone

(212) 628-9860

Fax

(212) 585-2880

NPI assigned

Feb 28, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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.

Opted out of Medicare

Yes, effective Apr 1, 2015 through Apr 1, 2027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1141084800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1700852647",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "184 EAST 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100215154",
            "telephone_number": "212-628-9860",
            "fax_number": "212-585-2880"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "184 EAST 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100215154",
            "telephone_number": "212-628-9860",
            "fax_number": "212-585-2880"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HELLMAN",
        "first_name": "GERARD",
        "middle_name": "CARL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "120354",
            "primary": false
        },
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "NY",
            "license": "120354",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• David J Hellerstein, MD
• Martha Kristin Helliesen, PH.D., LSM.
• Jeffrey Craig Hellinger, MD
• Betty Hellman, PHD
• Gary Lee Hellman, M.DIV
• Isaac Hellman
• Jamie Hellman, CNM
• Judith Hellman, M.D.
• Sabrina Ann Hellman, CNM
• Marybeth Eileen Hellmann, RN

• Hematology (Internal Medicine) Physician in New York, NY
• Providers in New York, NY by specialty
• Hematology (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; Order and Referring; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.