Individual provider Active NPI

Mark Sander Friedman, M.D.

  • Gastroenterology Physician
  • Forest Hills, NY
National Provider Identifier
1912999491
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
131561 Issued in NY
Practice address
7146 110TH St
Forest Hills, NY 11375-4865
Phone
(718) 261-2500
Fax
(718) 263-9624
NPI assigned
Aug 19, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 131561 NY Primary

Addresses

Primary practice location

7146 110TH St
Forest Hills, NY 11375-4865

Mailing address

7146 110TH St
Forest Hills, NY 11375-4865
Phone (718) 261-2500

Other identifiers 1

IdentifierTypeStateIssuer
00548229MedicaidNY

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
131561NYMDGastroenterology Physician

NPI Registry JSON

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

{
    "created_epoch": "1124409600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1912999491",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7146 110TH ST",
            "city": "FOREST HILLS",
            "state": "NY",
            "postal_code": "113754865",
            "telephone_number": "718-261-2500",
            "fax_number": "718-263-9624"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7146 110TH ST",
            "city": "FOREST HILLS",
            "state": "NY",
            "postal_code": "113754865",
            "telephone_number": "718-261-2500",
            "fax_number": "718-263-9624"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FRIEDMAN",
        "first_name": "MARK",
        "middle_name": "SANDER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-19",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "131561",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00548229",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Forest Hills, NY

Sources for this page

  • 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.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.