Organization Active NPI

Marc K Siegel M D LLC

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1609126408
Registry record updated Dec 16, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
MARC K SIEGEL M D LLC
Practice address
251 E 33Rd St FL 3
New York, NY 10016-4804
Phone
(212) 532-1214
Fax
(917) 580-6200
NPI assigned
Sep 19, 2012
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 16, 2024

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

Authorized official

Name
Marc K Siegel, MDNPI 1649338898
Title
Owner
Phone
(212) 532-1214

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207R00000X Primary

Addresses

Primary practice location

251 E 33Rd St FL 3
New York, NY 10016-4804

Mailing address

251 E 33Rd St FL 3
New York, NY 10016-4804
Phone (212) 532-1214

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20250102001120 NY Part B Supplier - Clinic/Group Practice 1951553874 Receives reassigned benefits from 1 practitioner
Practice locations: New York, NY

National Provider Directory

National Provider Directory

Locations

251 E 33rd St
Fl 3
New York, NY 10016
Phone (212) 532-1214

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1348012800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1734307200000",
    "number": "1609126408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "251 E 33RD ST FL 3",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100164804",
            "telephone_number": "212-532-1214",
            "fax_number": "917-580-6200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "251 E 33RD ST FL 3",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100164804",
            "telephone_number": "212-532-1214",
            "fax_number": "917-580-6200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARC K SIEGEL M D LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2012-09-19",
        "last_updated": "2024-12-16",
        "certification_date": "2024-12-16",
        "status": "A",
        "authorized_official_last_name": "SIEGEL",
        "authorized_official_first_name": "MARC",
        "authorized_official_middle_name": "K",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "212-532-1214",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.