Doctor profile · Federal record

Dr. Zachary Gamble, DO

Psychiatry Physician (CMS: Psychiatry) · Greeneville, TN

  • NPI 1669901435
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 10 locations across 3 states.

NPPES Updated May 11, 2026
Primary practice
438 E Vann RD Ste 202
Greeneville, TN 377437202
(423) 278-1856
Mailing address
1021 W Oakland Ave Ste 310
Johnson City, TN 376042192
Tennessee — 6 locations
Additional location
1 Medical Park Blvd Ste 200E
Bristol, TN 376207498
(423) 844-5100
Additional location
2204 Pavilion Dr Ste 107
Kingsport, TN 376604651
(423) 343-1442
Additional location
403 N State of Franklin RD
Johnson City, TN 376046034
(423) 431-7111
Additional location
525 N State of Franklin RD Ste 9
Johnson City, TN 376048213
(423) 302-3480
Additional location
701 MED Tech Pkwy Ste 200
Johnson City, TN 376042371
(423) 232-8301
Additional location
701 MED Tech Pkwy Ste 201
Johnson City, TN 376042365
(423) 232-8301
Virginia — 2 locations
Additional location
1980 Holton Ave E Ste 103
Big Stone Gap, VA 242193367
(276) 524-8100
Additional location
338 Coeburn Ave Sw
Norton, VA 242732606
(276) 679-0800
South Carolina — 1 location
Additional location
169 Ashley Ave Rm 202
Charleston, SC 294258905
(843) 792-0192

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
January 17, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
South Carolina #LL40740

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669901435. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$198
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, INC. 2 $83.65
Axsome Therapeutics, INC. 2 $40.65
Janssen Pharmaceuticals, INC 1 $23.70
Alkermes, INC. 1 $19.61
Neurocrine Biosciences, INC. 1 $17.31
Otsuka America Pharmaceutical, INC. 1 $13.32

By nature of payment

Food and Beverage
$198

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
242
Patients
0
Total drug cost
$3,542
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 36 0 $325
Aripiprazole Generic 24 0 $821
Mirtazapine Generic 21 0 $249
Alprazolam Generic 20 0 $53
Buspirone Hcl Generic 20 0 $269
Risperidone Generic 20 0 $169
Clonazepam Generic 15 0 $72
Bupropion Xl (Bupropion Hcl) Brand 14 0 $252
Lamotrigine Generic 14 0 $173
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 13 0 $180

Frequently asked questions

Auto-generated from federal data
What is Dr. Zachary Gamble's medical specialty?
Dr. Zachary Gamble practices Psychiatry Physician in Greeneville, TN.
Where does Dr. Zachary Gamble practice?
Dr. Zachary Gamble practices at 438 E Vann RD Ste 202, Greeneville, TN 377437202. Office phone: 4232781856.
What is Dr. Zachary Gamble's NPI?
Dr. Zachary Gamble's National Provider Identifier (NPI) is 1669901435, issued by NPPES.
Does Dr. Zachary Gamble accept Medicare assignment?
Yes. Dr. Zachary Gamble accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.