Individual provider Active NPI

Will Zentmyer, LMSW

  • Mental Health Counselor
  • Brooklyn, NY
National Provider Identifier
1407437734
Registry record updated Jul 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
111283 Issued in NY
Practice address
7706 13TH Ave Rear Office
Brooklyn, NY 11228-2414
Phone
(718) 232-8600
NPI assigned
Apr 19, 2021
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 10, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X 111283 NY Primary
Social Worker 104100000X 111283 NY

Addresses

Primary practice location

7706 13TH Ave Rear Office
Brooklyn, NY 11228-2414

Mailing address

7706 13TH Ave Rear Office
Brooklyn, NY 11228-2414
Phone (718) 232-8600

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
111283NYMDMental Health Counselor

NPI Registry JSON

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

{
    "created_epoch": "1618790400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1407437734",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7706 13TH AVE REAR OFFICE",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112282414",
            "telephone_number": "718-232-8600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7706 13TH AVE REAR OFFICE",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112282414",
            "telephone_number": "718-232-8600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZENTMYER",
        "first_name": "WILL",
        "credential": "LMSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-04-19",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NY",
            "license": "111283",
            "primary": true
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "NY",
            "license": "111283",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 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.