Organization Active NPI

Two Chairs Medical Services, a Professional Corporation

  • Psychologist
  • New York, NY
National Provider Identifier
1174356844
Registry record updated Oct 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
Legal business name
TWO CHAIRS MEDICAL SERVICES, A PROFESSIONAL CORPORATION
Practice address
101 Avenue of the Americas
New York, NY 10013-1941
Phone
(415) 202-5159
NPI assigned
Aug 20, 2024
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 1, 2025

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

Authorized official

Name
Alex Katz
Title
Ceo
Phone
(415) 202-5159

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
PsychologistGroup: 193200000X MULTI-SPECIALTY GROUP 103T00000X Primary

Addresses

Primary practice location

101 Avenue of the Americas
New York, NY 10013-1941

Mailing address

PO Box 593
San Francisco, CA 94104-0593
Phone (415) 202-5159

National Provider Directory

National Provider Directory

NPI Registry JSON

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

{
    "created_epoch": "1724112000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1759276800000",
    "number": "1174356844",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 593",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941040593",
            "telephone_number": "415-202-5159"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 AVENUE OF THE AMERICAS",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100131941",
            "telephone_number": "415-202-5159"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "TWO CHAIRS MEDICAL SERVICES, A PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-08-20",
        "last_updated": "2025-10-01",
        "certification_date": "2025-10-01",
        "status": "A",
        "authorized_official_last_name": "KATZ",
        "authorized_official_first_name": "ALEX",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "415-202-5159"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "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 Oct 1, 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.