Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

David Tierney, PHD

Individual provider Psychologist · NPI 1962073338

David Tierney, PHD is a Clinical Psychologist in Johnson City, Tennessee. Qualified in 2024, 2 years ago. Practices with Medical Education Assistance Corporation, a 176-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Tennessee and Virginia.

Years since qualifying
2
Licensed in
TN, VA
In the registry since
2021
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

615 N State Of Franklin Rd
Johnson City, TN 37604-8209
Phone: (423) 930-8337
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 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 & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 4155 (TN)
Psychologist Taxonomy 103T00000X · Licence 0810008866 (VA)

Record details

NPI number1962073338
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 7, 2021
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025
Mailing addressPo Box 699, Mountain Home, TN 37684-0699

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Medical Education Assistance Corporation — 176 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Johnson City