Organization Active NPI

Dr Mack Sullivan Telemedicine 1101 PC

  • Family Medicine Physician
  • Eastchester, NY
National Provider Identifier
1669388443
Registry record updated Aug 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
DR MACK SULLIVAN TELEMEDICINE 1101 PC
Practice address
369 White Plains Rd
Eastchester, NY 10709-2805
Phone
(914) 395-3691
NPI assigned
Aug 20, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 20, 2026

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

Authorized official

Name
Mack Lee Sullivan, MD
Title
Medical Director
Phone
(914) 395-3691

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207Q00000X Primary

Addresses

Primary practice location

369 White Plains Rd
Eastchester, NY 10709-2805

Mailing address

369 White Plains Rd
Eastchester, NY 10709-2805
Phone (914) 395-3691

National Provider Directory

National Provider Directory

NPI Registry JSON

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

{
    "created_epoch": "1787184000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787184000000",
    "number": "1669388443",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "369 WHITE PLAINS RD",
            "city": "EASTCHESTER",
            "state": "NY",
            "postal_code": "107092805",
            "telephone_number": "914-395-3691"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "369 WHITE PLAINS RD",
            "city": "EASTCHESTER",
            "state": "NY",
            "postal_code": "107092805",
            "telephone_number": "914-395-3691"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DR MACK SULLIVAN TELEMEDICINE 1101 PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-20",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A",
        "authorized_official_last_name": "SULLIVAN",
        "authorized_official_first_name": "MACK",
        "authorized_official_middle_name": "LEE",
        "authorized_official_title_or_position": "MEDICAL DIRECTOR",
        "authorized_official_telephone_number": "914-395-3691",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Eastchester, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 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.