NPIMap

Individual provider Active NPI

Marc K Siegel, MD

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1649338898
Registry record updated Dec 16, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
168546 Issued in NY
Practice address
251 E 33Rd St FL 3
New York, NY 10016-4804
Phone
(212) 532-1214
Fax
(917) 580-6200
NPI assigned
Dec 4, 2006
Last updated
Dec 16, 2024By the provider in NPPES
Sex
Male
Sole proprietor
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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 168546 NY 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
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040422000673 NY Practitioner - Internal Medicine 9931195252 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
State University of New York at Buffalo School of Medicine, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
New York UniversityGroup PAC ID 1355232422, 5,925 clinicians

Practice addresses (Care Compare)

111 Broadway
New York, NY 10006-1901
Phone (212) 263-9700

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

355 W 52ND St
New York, NY 10019-6239
Phone (646) 778-5555

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.8 of 100Reported as group
Quality
91.79
Promoting interoperability
100
Improvement activities
40
Cost
75.18

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
New York University Internal Medicine CurrentSince Sep 1, 2015 Accepting new patients
New York University Internal Medicine CurrentSince Sep 1, 2015 Accepting new patients
Marc K Siegel M D LLC Internal Medicine CurrentSince Dec 8, 2012 Accepting new patients

Locations

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

Networks

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

Interoperability endpoints

  • Direct secure messaging: msiegel58433@nyumc.direct-ci.com
  • Direct secure messaging: msiegel682739@nychhc.direct-ci.com

Organizations & group practices 3

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.

Hospital & facility affiliations 7

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

NPI Registry JSON

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

{
    "created_epoch": "1165190400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1734307200000",
    "number": "1649338898",
    "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": {
        "last_name": "SIEGEL",
        "first_name": "MARC",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-04",
        "last_updated": "2024-12-16",
        "certification_date": "2024-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "168546",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.