Gary William Thompson, MD| Gastroenterology | MedStar Health
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Gary William Thompson

Gary William Thompson, MD
Provider is directly employed by MedStar Health

4.9 out of 5 (2170 reviews)

Specialties: Gastroenterology

Languages: English

(202) 877-5844

Clinical areas of focus

  • Colonoscopy
  • Colonoscopy Through Stoma
  • Colonoscopy With Biopsy
  • Colonoscopy With Injection
  • Dilation Of Esophagus
  • Enteroscopy
  • Enteroscopy With Biopsy
  • Enteroscopy With Bleeding Control
  • Gallstones
  • Gastroesophageal Reflux Disease (GERD) In Children
  • Hemorrhage Control
  • Intestinal Dysmotility
  • Lower Gi Endoscopy
  • Sigmoidoscopy With Biopsy
  • Stomach Ulcers
  • Upper Gi Endoscopy
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Conditions and procedures

Conditions I treat

  • Abdominal Cramping
  • Abdominal Distension
  • Abdominal Pain
  • Abnormal Digestive Findings
  • Abnormal Stool
  • Acute Pancreatitis
  • Alimentary Tract Foreign Body
  • Altered Bowel Habits
  • Anal Abscess
  • Anal Fissures
  • Anus And Rectum Diseases
  • Aphagia
  • Aphagia And Dysphagia
  • Appendiceal Cancer
  • Autoimmune Hepatitis
  • Benign Neoplasm Of Colon, Rectum, Anus And Anal Canal
  • Benign Neoplasm Of Digestive System
  • Bile Duct Cancer
  • Bile Duct Stones
  • Biliary Tract Disease
  • Blood In Stool
  • Bowel Obstruction
  • Carcinoma In Situ Of Digestive Organs
  • Choledocholithiasis
  • Chronic Diarrhea
  • Colitis
  • Colon Cancer
  • Colon Disease
  • Colon Polyps
  • Colonoscopy
  • Constipation
  • Crohn's Disease
  • Crohn's Disease [Regional Enteritis]
  • Diaphragmatic Hernia
  • Digestive System Cancer
  • Digestive System Complications
  • Digestive System Diseases
  • Digestive System Symptoms
  • Diseases Of Esophagus
  • Diseases Of Stomach And Duodenum
  • Diverticular Disease
  • Duodenal Ulcer
  • Duodenitis
  • Dysphagia
  • Esophageal Cancer
  • Esophagitis
  • External Hemorrhoids
  • Flatulence
  • Functional Dyspepsia
  • Functional Intestinal Disorders
  • Gallbladder Cancer
  • Gallstones
  • Gastric Cancer
  • Gastric Varices
  • Gastritis
  • Gastroenteritis
  • Gastroesophageal Reflux Disease (GERD) In Children
  • Gastrointestinal Bleeding
  • Gastrointestinal Stromal Tumor (GIST)
  • Helicobacter Pylori
  • Hemangioma
  • Hemorrhoids
  • Hepatitis
  • Hepatitis B
  • Hepatitis C
  • Hepatomegaly
  • Hepatomegaly And Splenomegaly
  • Inflammatory Bowel Disease
  • Intestinal Dysmotility
  • Intestinal Infections
  • Intestinal Stenosis
  • Irritable Bowel Syndrome
  • Liver Cirrhosis
  • Liver Encephalopathy
  • Liver Fibrosis
  • Malabsorption
  • Malignant Neuroendocrine Tumors
  • Noninfective Gastroenteritis
  • Pancreatic Diseases
  • Pancreatitis
  • Paralytic Ileus And Intestinal Obstruction
  • Perianal Itching
  • Perianal Pain
  • Peripheral Vascular Disease Of The Intestines
  • Polycystic Liver Disease
  • Postoperative Ileus
  • Postprandial Diarrhea
  • Rectal Cancer
  • Rectal Pain
  • Small Intestine Cancer
  • Stomach Cancer
  • Stomach Ulcers
  • Ulcerative Colitis
  • Viral Hepatitis
  • Vomiting And Nausea
  • Vomiting Blood
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Procedures I perform

  • Capsule Endoscopy
  • Colonoscopy
  • Colonoscopy Through Stoma
  • Colonoscopy With Biopsy
  • Colonoscopy With Injection
  • Dilation Of Esophagus
  • Endoscopic Mucosal Resection
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Endoscopic Stomach Feeding Device Insertion
  • Enteroscopy
  • Enteroscopy With Biopsy
  • Enteroscopy With Bleeding Control
  • Esophageal Dilation
  • Esophagogastroduodenoscopy With Biopsy
  • Flexible Colonoscopy With Biopsy
  • Gastric Manometry
  • Gastrointestinal Motility Study
  • Hemorrhage Control
  • Hydrogen Breath Test
  • Inflammatory Bowel Disease
  • Lactose Intolerance Testing
  • Lower Gi Endoscopy
  • Sigmoidoscopy With Biopsy
  • Stomach Pain Treatment
  • Upper Gi Endoscopy
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Practice locations

Distance from Change Location Enter your Location

106 Irving St NW
POB South 216
Washington, DC, 20010

202-877-5840
Get Directions

miles away

Fax 202-877-5844

18111 Prince Philip Dr
Ste 124
Olney, MD, 20832

301-774-4300
Get Directions

miles away

Fax 301-774-1034

110 Irving St NW
Washington, DC, 20010

202-877-5822
Get Directions

miles away

Fax 901-215-4499

Insurance

This list represents the major payors accepted by MedStar Health.

NOTE: Payor contracts change and not all plans associated with a payor may be covered. Payors may offer multiple plans. If you have a question related to your insurance, please contact your insurance plan directly. Contact information is located on your health insurance ID card.

*Denotes limited participation. Specific providers and practices may NOT be participating. Please contact your insurance plan directly.

  • List of insurance plans we accept
    • Aetna
    • CareFirst BlueCross BlueShield of Maryland
    • Cigna Health Care
    • Kaiser Permanente*
    • MedStar Select (Administered by CareFirst)
    • United HealthCare
    • Aetna
    • CareFirst BlueCross BlueShield of Maryland
    • Healthspring
    • Humana
    • Medicare & Railroad Medicare
    • United HealthCare
    • Aetna Better Health of Maryland *
    • Medical Assistance/Medicaid
    • MedStar Family Choice MD
    • Priority Partners *
    • United HealthCare Community Health Plan MD
    • Wellpoint MD
    • AmeriHealth Caritas
    • Health Services For Children With Special Needs (HSCSN)
    • Medical Assistance/Medicaid
    • MedStar Family Choice DC
    • Johns Hopkins Employer Health Programs *
    • Johns Hopkins US Family Health Plan *
    • MultiPlan
    • Private Healthcare Systems
    • Tricare/Humana Military
    • VA Community Care Network (VACCN)

Education

Board Certification: American Board of Internal Medicine, Gastroenterology

Residency: Washington Hospital Center (1993)

Residency: Washington Hospital Center (1991)

Medical School: Howard University (1988)

Medical School: University of Virginia (1984)

Awards

  • Washingtonian Top Doctor 2017, 2018, 2019, 2020, 2021, 2024

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    4.9
  • Extent to which the care provider listened to you

    4.9
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.9
  • Provider included you in decisions

    4.9
  • Concern the care provider showed for your questions or worries

    4.9
  • Likelihood of recommending this care provider to others

    4.9
  • Aug 26, 2026

    I like his approach he humble !

  • Aug 26, 2026

    The doctor was very informative and patient.

  • Aug 21, 2026

    Physician's concerned of the patient's wellness . Thank you!