Doctor profile · Federal record

Dr. Gary Thompson, MD

Gastroenterology Physician (CMS: Gastroenterology) · Washington, DC

  • NPI 1609838937
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1160 Varnum St Ne, 311
Washington, DC 200172107
(202) 832-2880
fax (202) 832-0456

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
September 29, 2015
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
District of Columbia #MD19711

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609838937. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,569
Distinct HCPCS
10
Medicare allowed
$227,763
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 441 289 $102
99204 New patient office or other outpatient visit, 45-59 minutes 305 305 $184
99214 Established patient office or other outpatient visit, 30-39 minutes 218 198 $143
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 115 112 $278
45380 Biopsy of large bowel using a flexible endoscope 107 106 $138
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 103 100 $115
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 71 71 $141
99212 Established patient office or other outpatient visit, 10-19 minutes 69 66 $64
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 45 45 $188
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 27 27 $183

In context: peer comparison

Among 24 peers in Washington Gastroenterology Physician, average services per provider: 72. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,064
Transactions
55
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 25 $414.77
Abbvie INC. 16 $310.94
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 4 $87.65
Ardelyx, INC. 4 $86.00
Qol Medical, LLC 1 $52.67
Phathom Pharmaceuticals, INC. 1 $28.82
Intercept Pharmaceuticals, INC. 1 $25.20
Celgene Corporation 1 $24.68
Regeneron Healthcare Solutions, INC. 1 $21.44
Kerecis Limited 1 $11.82

By nature of payment

Food and Beverage
$1,064

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
529
Patients
324
Total drug cost
$228,155
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 159 67 $2,416
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 103 99 $2,049
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 55 55 $949
Linzess (Linaclotide) Brand 40 11 $43,101
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 33 33 $2,644
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 28 27 $4,855
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 21 19 $359
Creon (Lipase/Protease/Amylase) Brand 20 0 $74,789
Famotidine Generic 18 0 $205
Mesalamine Generic 16 0 $10,894

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Thompson's medical specialty?
Dr. Gary Thompson practices Gastroenterology Physician in Washington, DC.
Where does Dr. Gary Thompson practice?
Dr. Gary Thompson practices at 1160 Varnum St Ne, Washington, DC 200172107. Office phone: 2028322880.
What is Dr. Gary Thompson's NPI?
Dr. Gary Thompson's National Provider Identifier (NPI) is 1609838937, issued by NPPES.
Does Dr. Gary Thompson accept Medicare assignment?
Yes. Dr. Gary Thompson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Thompson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.