Doctor profile · Federal record

Dr. Gary Leonhardt, M.D.

Addiction Medicine (Psychiatry & Neurology) Physician (CMS: Psychiatry) · Greenville, NC

  • NPI 1538183942
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
203 Government Cir
Greenville, NC 278348198
(252) 413-1637
fax (252) 317-0316
Mailing address
4300 Sapphire CT Ste 110
Greenville, NC 278349079

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 14, 2015
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
2084A0401X — NUCC code
State license (1)
North Carolina #39296

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538183942. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
675
Distinct HCPCS
5
Medicare allowed
$76,844
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 287 140 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 206 111 $86
99215 Established patient office or other outpatient visit, 40-54 minutes 139 71 $170
90853 Group psychotherapy 23 11 $26
96372 Injection of drug or substance under skin or into muscle 20 11 $13

In context: peer comparison

Among 2 peers in this city , average services per provider: 105. This provider delivers 6.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$61,503
Transactions
87
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Almatica Pharma LLC 44 $32,549.00
Teva Pharmaceuticals USA, Inc. 35 $28,600.50
Alkermes, Inc. 3 $149.82
Axsome Therapeutics, Inc. 1 $124.99
E.R. Squibb & Sons, L.L.C. 2 $35.14
Braeburn Inc. 1 $25.21
Brainsway USA INC 1 $18.03

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$56,640
Travel and Lodging
$1,836
Honoraria
$1,625
Food and Beverage
$1,401

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,555
Patients
689
Total drug cost
$106,264
Drug Type Claims Patients Total cost
Clonazepam Generic 712 113 $7,181
Trazodone Hcl Generic 414 69 $7,078
Aripiprazole Generic 377 58 $24,698
Zolpidem Tartrate Generic 334 61 $4,151
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 323 42 $16,142
Risperidone Generic 292 45 $4,288
Olanzapine Generic 286 38 $8,451
Escitalopram Oxalate Generic 267 42 $2,820
Fluoxetine Hcl Generic 262 42 $2,294
Quetiapine Fumarate Generic 247 34 $5,545

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Leonhardt's medical specialty?
Dr. Gary Leonhardt practices Addiction Medicine (Psychiatry & Neurology) Physician in Greenville, NC.
Where does Dr. Gary Leonhardt practice?
Dr. Gary Leonhardt practices at 203 Government Cir, Greenville, NC 278348198. Office phone: 2524131637.
What is Dr. Gary Leonhardt's NPI?
Dr. Gary Leonhardt's National Provider Identifier (NPI) is 1538183942, issued by NPPES.
Does Dr. Gary Leonhardt accept Medicare assignment?
Yes. Dr. Gary Leonhardt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Leonhardt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.