NPIMap

Organization Active NPI

42ND Street Dental Associates, LLP

  • Periodontics
  • New York, NY
National Provider Identifier
1750489563
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PeriodonticsTaxonomy code 1223P0300X
License
044327 Issued in NY
Legal business name
42ND STREET DENTAL ASSOCIATES, LLP
Practice address
120 E 42ND St
Fifth Floor
New York, NY 10017-5678
Phone
(212) 867-8862
Fax
(212) 867-8402
NPI assigned
Sep 20, 2006
Last updated
Sep 11, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
Dr. Mark S Nadolne, D.M.D.NPI 1164681771
Title
Partner
Phone
(212) 867-8862

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 7

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X 050453 NY
Dentist 122300000X 047883-1 NY
Dentist 122300000X 052345-1 NY
Dentist 122300000X 051796-1 NY
Endodontics 1223E0200X 048686 NY
Periodontics 1223P0300X 044327 NY Primary
Oral and Maxillofacial Surgery (Dentist) 1223S0112X 040690 NY

Addresses

Primary practice location

120 E 42ND St
Fifth Floor
New York, NY 10017-5678

Mailing address

120 E 42ND St
Fifth Floor
New York, NY 10017-5678
Phone (212) 867-8862

National Provider Directory

National Provider Directory

Locations

120 E 42nd St
Fl Fifth
New York, NY 10017
Phone (212) 867-8862

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1158710400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1750489563",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 E 42ND ST",
            "address_2": "FIFTH FLOOR",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100175678",
            "telephone_number": "212-867-8862",
            "fax_number": "212-867-8402"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 E 42ND ST",
            "address_2": "FIFTH FLOOR",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100175678",
            "telephone_number": "212-867-8862",
            "fax_number": "212-867-8402"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "42ND STREET DENTAL ASSOCIATES, LLP",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-09-20",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "NADOLNE",
        "authorized_official_first_name": "MARK",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "PARTNER",
        "authorized_official_telephone_number": "212-867-8862",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "D.M.D."
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "NY",
            "license": "050453",
            "primary": false
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "NY",
            "license": "047883-1",
            "primary": false
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "NY",
            "license": "052345-1",
            "primary": false
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "NY",
            "license": "051796-1",
            "primary": false
        },
        {
            "code": "1223E0200X",
            "taxonomy_group": "",
            "desc": "Dentist, Endodontics",
            "state": "NY",
            "license": "048686",
            "primary": false
        },
        {
            "code": "1223P0300X",
            "taxonomy_group": "",
            "desc": "Dentist, Periodontics",
            "state": "NY",
            "license": "044327",
            "primary": true
        },
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "NY",
            "license": "040690",
            "primary": false
        }
    ],
    "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 Sep 11, 2025; 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.