Dr. Lester Kenneth Bowser, MD

Dr. Lester Kenneth Bowser, MD

Dr. Lester Kenneth Bowser, MD

Languages: English

Contact this Provider:

  • Gastroenterology
Conditions I Treat
  • abdominal bloating
  • abdominal distention
  • abdominal pain
  • abnormal bowel movement
  • abnormal liver function
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Procedures I Perform
  • bravo ph test
  • colon polypectomy
  • colonoscopy
  • esophagogastroduodenoscopy
  • gastrointestinal cancer screening
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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)
  • Board Certification: American Board of Internal Medicine, Gastroenterology
"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

Practice Locations
  • 5601 Loch Raven Boulevard
    Baltimore, MD 21239
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  • 9512 Harford Road
    Suite 201
    Baltimore, MD 21234
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  • 1300 Bellona Avenue
    Suite A
    Lutherville, MD 21093
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    Baltimore, MD 21218
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Member of Medical Staff
  • Top Doc  (Gastroenterology) - Baltimore Magazine, 2013
  • Top Doc  (Gastroenterology) - Baltimore Magazine, 2015