David Tierney, PHD

Primary specialty

PsychologistTaxonomy code 103T00000X

License

4155 Issued in TN

Practice address

615 N State of Franklin Rd
Johnson City, TN 37604-8209

Phone

(423) 930-8337

NPI assigned

Jul 7, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in TN

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

Specialty

Clinical Psychologist

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Medical Education Assistance CorporationGroup PAC ID 3870491269, 168 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Medical Education Assistance Corporation

  • Internal Medicine Physician
  • Johnson City, TN
  • NPI 1235180480
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1625616000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758067200000",
    "number": "1962073338",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 699",
            "city": "MOUNTAIN HOME",
            "state": "TN",
            "postal_code": "376840699"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "615 N STATE OF FRANKLIN RD",
            "city": "JOHNSON CITY",
            "state": "TN",
            "postal_code": "376048209",
            "telephone_number": "423-930-8337"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "501 Adesa Blvd Ste A150",
            "address_purpose": "LOCATION",
            "city": "Lenoir City",
            "state": "TN",
            "postal_code": "377716719",
            "country_code": "US",
            "telephone_number": "865-986-8082",
            "fax_number": "865-986-5890",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "105 W Park Dr Ste 2A",
            "address_purpose": "LOCATION",
            "city": "Kingsport",
            "state": "TN",
            "postal_code": "376603805",
            "country_code": "US",
            "telephone_number": "423-930-8337",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TIERNEY",
        "first_name": "DAVID",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-07-07",
        "last_updated": "2025-09-17",
        "certification_date": "2025-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "VA",
            "license": "0810008866",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "TN",
            "license": "4155",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thriverx
• Paul Thurdekoos, MD
• Cindy Alyne Thurlow
• Matthew Tibbs, MA, LPC-MHSP, NCC
• Frankie Tidwell, FNP-C
• Monica Renee Tiller
• John E Tillman, D.D.S.
• Christian Xavier Timmis, DO
• Gregory Thomas Tipton, DNP, APRN, PMHNP-BC
• Lisa Ann Tipton, BS

• Psychologist in Johnson City, TN
• Providers in Johnson City, TN by specialty
• Psychologist in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.