A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. Thomas Johnston:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 2.5 of 4 stars
The overall average patient rating of Dr. Thomas Johnston is Good.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Specialties & Research
Dr. Thomas Johnston, MD is board certified in Internal Medicine.
- He has special expertise in 1 area:
- Flu (Human Influenza)
Education & Awards
Dr. Johnston graduated from University of Tennessee, Memphis.
Dr. Johnston has 2 hospital affiliations:
- Valley View Regional Hospital
- Morristown-Hamblen Healthcare System
Accepted Insurance Plans
Dr. Johnston accepts these health insurances in at least one office:
- Humana - 9 plans
- Aetna - 2 plans