Organization Active NPI

Melissa Ontko, LLC

  • Clinical Social Worker
  • Ann Arbor, MI
National Provider Identifier
1801756325
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
Legal business name
MELISSA ONTKO, LLC
Practice address
2890 Carpenter Rd Ste 1500
Ann Arbor, MI 48108-1196
Phone
(734) 463-4511
NPI assigned
Nov 17, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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

Authorized official

Name
Melissa Ontko, LMSWNPI 1467807834
Title
Clinical Social Worker/Therapist
Phone
(734) 463-4511

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social WorkerGroup: 193400000X SINGLE SPECIALTY GROUP 1041C0700X Primary

Addresses

Primary practice location

2890 Carpenter Rd Ste 1500
Ann Arbor, MI 48108-1196

Mailing address

2890 Carpenter Rd Ste 1500
Ann Arbor, MI 48108-1196
Phone (734) 463-4511

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1763337600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1763337600000",
    "number": "1801756325",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2890 CARPENTER RD STE 1500",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481081196",
            "telephone_number": "734-463-4511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2890 CARPENTER RD STE 1500",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481081196",
            "telephone_number": "734-463-4511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MELISSA ONTKO, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-11-17",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A",
        "authorized_official_last_name": "ONTKO",
        "authorized_official_first_name": "MELISSA",
        "authorized_official_title_or_position": "CLINICAL SOCIAL WORKER/THERAPIST",
        "authorized_official_telephone_number": "734-463-4511",
        "authorized_official_credential": "LMSW"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ann Arbor, MI

Sources for this page

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