31 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Thompson, Gastroenterologist in Baltimore, MD?
Dr. Gary Thompson, MD is a Gastroenterologist, who primarily practices in Baltimore, MD with 2 additional practice locations. He has been practicing for over 31 years. Dr. Thompson completed his residency at Washington Hosp Ctr, Gastroenterology; Washington Hosp Ctr, Internal Medicine. Dr. Thompson is fluent in English and Spanish, and is currently seeing new patients. Dr. Thompson’s practice accepts Cigna, Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Thompson’s office.
Where did Dr. Thompson go to medical school and complete their residency?
Residency: Washington Hosp Ctr, Gastroenterology; Washington Hosp Ctr, Internal Medicine
Medical School: Howard University Medical School
What languages does Dr. Thompson speak?
Dr. Thompson and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Thompson treat?
As a Gastroenterologist, Dr. Thompson diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Thompson. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R1013: Epigastric pain
- R109: Unspecified abdominal pain
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- History of Adenomatous and Serrated Colon Polyps
- Past Colon Polyps
- Previous Adenomas
- History of Precancerous Colon Growths
ICD-10 Codes:
- Z860101: Personal history of adenomatous and serrated colon polyps
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
What procedures does Dr. Thompson perform?
As a Gastroenterologist, Dr. Thompson performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Thompson. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Tissue Removal
- Colonoscopy with Bleeding Control
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible colonoscopy with EMR
- Endoscopic mucosal resection (colon)
- Colon polyp removal during colonoscopy
- Endoscopic Hemostasis
- Colonoscopy for Bleeding
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45390: Colonoscopy, flexible; with endoscopic mucosal resection
- 45382: Colonoscopy, flexible; with control of bleeding, any method
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Colonoscopy with Injections
- EGD with Esophageal Balloon Dilation
- Diagnostic Upper Endoscopy with Biopsy
- Flexible Sigmoidoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
CPT Codes:
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
Also known as:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Stopping Bleeding in Esophagus, Stomach, or Duodenum
- EGD with Bleeding Control
- Upper GI Endoscopy for Bleeding
- Gastric Bleeding Treatment
CPT Codes:
- 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method
Also known as:
- Upper Endoscopy with Polyp Removal
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
CPT Codes:
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Does Dr. Thompson accept my insurance?
Dr. Thompson accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Thompson accept in Baltimore, MD?
Dr. Thompson in Baltimore, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
BCBS Unspecified
Carefirst BlueCross BlueShield
CVS Health (formerly Aetna)
District of Columbia
Federal Employee Program
Independence Blue Cross
Medicare
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Thompson's office located?
What is Dr. Thompson's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Thompson's National Provider Identifier (NPI) number is 1609838937.
What common questions do patients ask about Dr. Thompson?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Thompson
What is Dr. Gary Thompson's specialty?
Dr. Thompson is a Gastroenterologist near Baltimore, MD. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Thompson to book an appointment today.
Is this Dr. Gary Thompson affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Thompson is affiliated with MedStar Montgomery Medical Center, MedStar Washington Hospital Center, Holy Cross Hospital - Silver Spring which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Gary Thompson accepting new patients in Baltimore, MD?
Yes, Dr. Gary Thompson is accepting new patients at this time.
Does Dr. Gary Thompson offer online booking?
Please contact Dr. Thompson's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gary Thompson?
Please contact Dr. Thompson's office for information regarding telehealth appointment availability or for scheduling assistance.
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