Individual provider · Type 1 NPI

David Tierney, PhD

Psychologist · Johnson City, TN

NPI number 1962073338 Active

Practice location

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

Call (423) 930-8337 Map

Mailing address

PO Box 699
Mountain Home, TN 37684-0699

Other practice locations

  • 105 W Park Dr Ste 2A, Kingsport, TN 37660-3805 · (423) 930-8337
  • 501 Adesa Blvd Ste A150, Lenoir City, TN 37771-6719 · (865) 986-8082

Specialties and licenses

TaxonomyCodeLicense
Psychologist 103T00000X0810008866 (VA)
Psychologist Primary 103T00000X4155 (TN)

Psychologist: A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustmen…

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About NPI 1962073338

David Tierney, PhD's National Provider Identifier is 1962073338, issued on Jul 7, 2021. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in Johnson City, TN. The record was last updated on Sep 17, 2025.