Individual provider Active NPI

Marc G Nagy, SUBSTANCE ABUSE COUN

  • Addiction (Substance Use Disorder) Counselor
  • Waterford, MI
National Provider Identifier
1255676763
Registry record updated Mar 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
Practice address
1255 N Oakland Blvd
Waterford, MI 48327-1545
Phone
(248) 406-0090
NPI assigned
Dec 10, 2012
Last updated
Mar 26, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 26, 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) Counselor 101YA0400X NU Primary

Addresses

Primary practice location

1255 N Oakland Blvd
Waterford, MI 48327-1545

Mailing address

407 Glenbrooke Apt 9206
Waterford, MI 48327-2185
Phone (248) 710-5506

Other practice location 1

32 S MacDonald Street
Mesa, AZ 85210
Phone (480) 833-0143

Other practice location 2

37450 Schoolcraft Rd
Livonia, MI 48150-1082
Phone (734) 744-0170

Other names 1

  • Mr. Marc G Nagy Professional name

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

Practice roles

OrganizationSpecialtyStatusNew patients
TLC/Transitional Living Communities Past Accepting new patients

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1355097600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774483200000",
    "number": "1255676763",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "407 GLENBROOKE APT 9206",
            "city": "WATERFORD",
            "state": "MI",
            "postal_code": "483272185",
            "telephone_number": "248-710-5506"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1255 N OAKLAND BLVD",
            "city": "WATERFORD",
            "state": "MI",
            "postal_code": "483271545",
            "telephone_number": "248-406-0090"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "32 S MacDonald Street",
            "address_purpose": "LOCATION",
            "city": "Mesa",
            "state": "AZ",
            "postal_code": "85210",
            "country_code": "US",
            "telephone_number": "480-833-0143",
            "fax_number": "480-264-0687",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "37450 Schoolcraft Rd",
            "address_purpose": "LOCATION",
            "city": "Livonia",
            "state": "MI",
            "postal_code": "481501082",
            "country_code": "US",
            "telephone_number": "734-744-0170",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NAGY",
        "first_name": "MARC",
        "middle_name": "G",
        "name_prefix": "Mr.",
        "credential": "SUBSTANCE ABUSE COUN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-12-10",
        "last_updated": "2026-03-26",
        "certification_date": "2026-03-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARC",
            "last_name": "NAGY",
            "middle_name": "G",
            "prefix": "MR.",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Waterford, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 26, 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.