Individual provider Active NPI

Mark Anthony Toennis, PSY.D.

  • Health Service Psychologist
  • Cold Spring, KY
National Provider Identifier
1457572323
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Health Service PsychologistTaxonomy code 103TH0100X
Practice address
4150 Alexandria Pike
Suite 102
Cold Spring, KY 41076-3501
Phone
(859) 442-7700
NPI assigned
May 1, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Psychologist 103TA0400X
Cognitive & Behavioral Psychologist 103TB0200X
Clinical Psychologist 103TC0700X 0873 KY
Health Service Psychologist 103TH0100X Primary

Addresses

Primary practice location

4150 Alexandria Pike
Suite 102
Cold Spring, KY 41076-3501

Mailing address

43 Avenel PL
Fort Thomas, KY 41075-1800
Phone (859) 441-2236

Other identifiers 3

IdentifierTypeStateIssuer
00005490061OtherKYAETNA
000000001623OtherKYANTHEM
10654346857OtherKYHUMANA

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)
Enrolled

State licenses

LicenseStateTypeSpecialty
0873KYMDAudiologist-Hearing Aid Fitter

NPI Registry JSON

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

{
    "created_epoch": "1177977600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1457572323",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "43 AVENEL PL",
            "city": "FORT THOMAS",
            "state": "KY",
            "postal_code": "410751800",
            "telephone_number": "859-441-2236"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4150 ALEXANDRIA PIKE",
            "address_2": "SUITE 102",
            "city": "COLD SPRING",
            "state": "KY",
            "postal_code": "410763501",
            "telephone_number": "859-442-7700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TOENNIS",
        "first_name": "MARK",
        "middle_name": "ANTHONY",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-05-01",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TA0400X",
            "taxonomy_group": "",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TB0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "KY",
            "license": "0873",
            "primary": false
        },
        {
            "code": "103TH0100X",
            "taxonomy_group": "",
            "desc": "Psychologist, Health Service",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "00005490061",
            "state": "KY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000001623",
            "state": "KY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HUMANA",
            "identifier": "10654346857",
            "state": "KY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Cold Spring, KY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.