Individual provider Active NPI

Allison D Ontko, LISW-S

  • Clinical Social Worker
  • Huron, OH
National Provider Identifier
1326415605
Registry record updated Nov 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
I.1700647 Issued in OH
Practice address
619 Berlin Rd
Huron, OH 44839-1909
Phone
(419) 504-1485
NPI assigned
Aug 21, 2015
Last updated
Nov 12, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X I.1700647 OH Primary

Addresses

Primary practice location

619 Berlin Rd
Huron, OH 44839-1909

Mailing address

619 Berlin Rd
Huron, OH 44839-1909
Phone (419) 504-1485

Other practice location 1

619 Berlin Rd
Huron, OH 44839-1909
Phone (567) 623-9074

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20191213002081 OH Practitioner - Clinical Social Worker 5890128342 Reassigns benefits to 3 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
I.1700647OHMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Lieske Counseling and Consulting, LLC CurrentSince Sep 23, 2024 Accepting new patients
Sondermind Provider Network LLC Clinical CurrentSince Sep 29, 2022 Accepting new patients
Family Health Services of Erie County CurrentSince Nov 1, 2019 Accepting new patients
Family Health Services of Erie County CurrentSince Nov 1, 2019 Accepting new patients

Locations

20 S 3rd St
Ste 210
Columbus, OH 43215
Phone (614) 208-4973

1912 Hayes Ave
Sandusky, OH 44870
Phone (419) 609-1460

1912 Hayes Ave
Ste D
Sandusky, OH 44870
Phone (419) 502-2832

Interoperability endpoints

  • Direct secure messaging: allison.ontko.1@30520.direct.athenahealth.com

Organizations & group practices 5

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": "1440115200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762905600000",
    "number": "1326415605",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "619 BERLIN RD",
            "city": "HURON",
            "state": "OH",
            "postal_code": "448391909",
            "telephone_number": "419-504-1485"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "619 BERLIN RD",
            "city": "HURON",
            "state": "OH",
            "postal_code": "448391909",
            "telephone_number": "419-504-1485"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "619 Berlin Rd",
            "address_purpose": "LOCATION",
            "city": "Huron",
            "state": "OH",
            "postal_code": "448391909",
            "country_code": "US",
            "telephone_number": "567-623-9074",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ONTKO",
        "first_name": "ALLISON",
        "middle_name": "D",
        "credential": "LISW-S",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-08-21",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "OH",
            "license": "I.1700647",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Huron, OH

Sources for this page

Verify at the official NPI Registry.