Individual provider Active NPI

John Paul Montagna, LMHC

  • Mental Health Counselor
  • New York, NY
National Provider Identifier
1487433694
Registry record updated Dec 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
017229 Issued in NY
Practice address
623 Broadway FL 2
New York, NY 10012-2698
Phone
(646) 516-9818
NPI assigned
Sep 26, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X 017229 NY Primary

Addresses

Primary practice location

623 Broadway FL 2
New York, NY 10012-2698

Mailing address

623 Broadway
New York, NY 10012-2606

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
017229NYMDMedical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Greenwich House Inc CurrentSince Oct 1, 2023 Accepting new patients

Locations

623 Broadway
Fl 2
New York, NY 10012
Phone (212) 242-4140

27 Barrow St
Fl 3
New York, NY 10014
Phone (212) 242-4140

27 Barrow St
New York, NY 10014
Phone (212) 242-4140

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1695686400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765929600000",
    "number": "1487433694",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "623 BROADWAY",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100122606"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "623 BROADWAY FL 2",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100122698",
            "telephone_number": "646-516-9818"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MONTAGNA",
        "first_name": "JOHN",
        "middle_name": "PAUL",
        "credential": "LMHC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-09-26",
        "last_updated": "2025-12-17",
        "certification_date": "2025-12-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NY",
            "license": "017229",
            "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 Dec 17, 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.