Dr. Lester Kenneth Bowser, MD

Dr. Lester Kenneth Bowser, MD

Dr. Lester Kenneth Bowser, MD

Languages: English, Spanish
Fax: 410-261-8312

Contact this Provider:

  • Gastroenterology
Conditions I Treat
  • abdominal bloating
  • abdominal distention
  • abdominal pain
  • abnormal amylase blood test
  • abnormal bowel movement
  • Show All
Procedures I Perform
  • bravo ph test
  • colon polypectomy
  • colonoscopy
  • esophagogastroduodenoscopy (egd)
  • feeding tube management
  • Show All
About the Provider

Lester K. Bowser, MD, is a gastroenterologist at MedStar Union Memorial Hospital. He is board-certified in gastroenterology by the American Board of Internal Medicine and fellowship-trained in gastroenterology.

Dr. Bowser specializes in general gastroenterology, including EGD, which allows diagnosis and treatment of problems in the upper gastrointestinal tract; colonoscopy to screen for colon cancer; capsule endoscopy; biliary tract disorders; inflammatory bowel disease; liver and gallbladder disease; and Hepatitis C.

Earlier in his career, Dr. Bowser served as a Major in the United States Army, providing gastroenterological leadership and care for active duty military and their family members throughout the United States. He is a native Baltimorean and decided to return to the community after completing his military service as a gastroenterologist.

He has a special interest in colon cancer screening.

  • Fellowship Program: Brooke Army Medical Center (2000)
  • Residency Program: Walter Reed National Military Medical Center (1997)
  • Internship Program: Walter Reed National Military Medical Center (1995)
  • Medical School: Univ. of Pittsburgh School of Medicine (1994)
"Large Colonic Lipoma With Mucosal Ulceration Mimicking Carcinoma." Gastrointestinal Endoscopy. September 2003, 468-470
"Viral Hepatitis Serology." The El Paso Physician. December 2000, 18-24.
"The Role of Surveillance ERCP in Preventing Episodic Cholangitis in Patients with Recurrent Common Bile Duct Stones." Gastrointestinal Endoscopy. February 2000, 247-248.
"Antibiotic Prophylaxis Prior to GI Endoscopy:  A Survey of ASGE Members." DDW Poster Presentation. May 1999

“Percutaneous Pseudocyst Drainage”.  KENS TV Channel 5 (CBS affiliate) Medical Breakthroughs Segment.  March 1999.
"Environmental Fate and Effects of Chemical Simulants." U.S. Army Technical Report. January 1989
    MedStar Health Providers participate with a wide range of health insurance products. We accept self-pay patients and the insurances plans listed below. This list is not comprehensive, it is updated periodically and is subject to change. If you do not see your health insurance plan or product listed, or if you have any questions regarding MedStar Health’s participation with your health plan, please contact your health plan to verify participation with our providers.

    Since the MedStar Health providers span the District of Columbia, Maryland and Virginia regions, our participation with DC, Maryland and Virginia Medical Assistance programs varies by provider group. Please contact your MedStar Physician’s Office to assist with verifying Medical Assistance participation. If you are enrolled in a Medicaid Managed Care Organization, please contact your Medicaid health plan to verify participation.

Practice Locations
Member of Medical Staff
  • Top Doc  (Gastroenterology) - Baltimore Magazine, 2013
  • Top Doc  (Gastroenterology) - Baltimore Magazine, 2015