Organization Active NPI

Allen H Unger MD Arthur C Weisenseel MD PC

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1033250386
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
093628 ARTHUR C WEIS Issued in NY
Legal business name
ALLEN H UNGER MD ARTHUR C WEISENSEEL MD PC
Practice address
12 Ease 86TH Street
New York, NY 10028-0506
Phone
(212) 734-6000
Fax
(212) 794-0299
NPI assigned
Feb 9, 2007
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
Mrs. Marian Donohue
Title
Office Manager
Phone
(212) 734-6000

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 093628 ARTHUR C WEIS NY Primary
Cardiovascular Disease Physician 207RC0000X ALLEN H UNGER 086886 NY

Addresses

Primary practice location

12 Ease 86TH Street
New York, NY 10028-0506

Mailing address

12 Ease 86TH Street
New York, NY 10028-0506
Phone (212) 734-6000

National Provider Directory

National Provider Directory

NPI Registry JSON

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

{
    "created_epoch": "1170979200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1033250386",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12 EASE 86TH STREET",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100280506",
            "telephone_number": "212-734-6000",
            "fax_number": "212-794-0299"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12 EASE 86TH STREET",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100280506",
            "telephone_number": "212-734-6000",
            "fax_number": "212-794-0299"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ALLEN H UNGER MD ARTHUR C WEISENSEEL MD PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-02-09",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "DONOHUE",
        "authorized_official_first_name": "MARIAN",
        "authorized_official_title_or_position": "OFFICE MANAGER",
        "authorized_official_telephone_number": "212-734-6000",
        "authorized_official_name_prefix": "Mrs."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "093628 ARTHUR C WEIS",
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NY",
            "license": "ALLEN H UNGER 086886",
            "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.