Individual provider Active NPI

John M Marz, LMHC, MCAP

  • Addiction (Substance Use Disorder) Counselor
  • West Palm Beach, FL
National Provider Identifier
1326951203
Registry record updated Sep 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
MH28044 Issued in FL
Practice address
195 River Grove Way Apt 803
West Palm Beach, FL 33407-2190
Phone
(561) 351-1575
NPI assigned
Sep 23, 2026
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) CounselorGroup: 193200000X MULTI-SPECIALTY GROUP 101YA0400X MH28044 FL Primary

Addresses

Primary practice location

195 River Grove Way Apt 803
West Palm Beach, FL 33407-2190

Mailing address

195 River Grove Way Apt 803
West Palm Beach, FL 33407-2190
Phone (561) 351-1575

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1790121600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790121600000",
    "number": "1326951203",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "195 RIVER GROVE WAY APT 803",
            "city": "WEST PALM BEACH",
            "state": "FL",
            "postal_code": "334072190",
            "telephone_number": "561-351-1575"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "195 RIVER GROVE WAY APT 803",
            "city": "WEST PALM BEACH",
            "state": "FL",
            "postal_code": "334072190",
            "telephone_number": "561-351-1575"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARZ",
        "first_name": "JOHN",
        "middle_name": "M",
        "credential": "LMHC, MCAP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-09-23",
        "last_updated": "2026-09-23",
        "certification_date": "2026-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "FL",
            "license": "MH28044",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in West Palm Beach, FL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.