Mark A Seldon, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

117243 Issued in NY

Practice address

345 E 37TH St
Suite 314
New York, NY 10016-3256

Phone

(212) 367-8000

Fax

(212) 367-0919

NPI assigned

Aug 22, 2005

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NY

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

Internal MedicineAlso: Cardiovascular Disease (Cardiology)

Education

Other, 1972

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• NYU Langone Hospitals Hospital, New York, NY, CCN 330214

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Networks

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

Interoperability endpoints

• Direct secure messaging: mseldon@cardiony.curemd.direct-ci.com

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.

• Cardiovascular Consulting of New York, P.C.

  • Cardiovascular Disease Physician
  • New York, NY
  • NPI 1548590409
  Medicare reassignment Authorized official
• Medical Service of St Vincent'S Hospital &Medical Center, P.C.

  • Cardiovascular Disease Physician
  • New York, NY
  • NPI 1457450538
  NPD (past)

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

• NYU Langone Hospitals

  • Rehabilitation Hospital Unit
  • New York, NY
  • NPI 1275632895
  Care Compare affiliation
• NYU Langone Hospitals

  • Ambulance
  • Brooklyn, NY
  • NPI 1346614443

  Hospital

  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • Mineola, NY
  • NPI 1427616002
  Care Compare affiliation
• NYU Langone Hospitals

  • Oncology Clinic/Center
  • New York, NY
  • NPI 1437230034

  Hospital

  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • Brooklyn, NY
  • NPI 1619341716
  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • New York, NY
  • NPI 1669578324
  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • New York, NY
  • NPI 1801992631
  Care Compare affiliation

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

{
    "created_epoch": "1124668800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1174515571",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "345 E 37TH ST",
            "address_2": "SUITE 314",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100163256",
            "telephone_number": "212-367-8000",
            "fax_number": "212-367-0919"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "345 E 37TH ST",
            "address_2": "SUITE 314",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100163256",
            "telephone_number": "212-367-8000",
            "fax_number": "212-367-0919"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SELDON",
        "first_name": "MARK",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-08-22",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NY",
            "license": "117243",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00248480",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Rita Felisa Selby, M.S.
• Harold Selden, MD
• Sarah Selden, PH.D.
• Richard M Seldes, MD
• Dalith Seldman, D.M.D.
• Rivka Leah Seldowitz
• Steffanos Selearis, DDS
• Sorin Mircea Selegean, M.D.
• Seleni House Foundation, Inc.
• Seleni Psychology Counseling and Support, PLLC

• Cardiovascular Disease Physician in New York, NY
• Providers in New York, NY by specialty
• Cardiovascular Disease Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 2025; 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.