Physicians & Staff


David A. Popper, MD

Practiced gastroenterology since 1984, founded BCGI in 1990
Undergraduate School: Antioch College, Yellow Springs, OH
Medical School: University of Medicine & Dentistry of New Jersey, Newark, NJ
Internship/Residency: Rush Presbyterian-St. Luke’s Medical Center, Chicago, IL
Fellowship: University of Pennsylvania, Philadelphia, PA
Board Certified in Internal Medicine and Gastroenterology
Fellow, American College of Gastroenterology
Alpha Omega Alpha Honor Medical Society
Philadelphia GI Research Forum, First Prize, Komarov Prize Competition, 1983
Interests: Inflammatory Bowel Disease
Former faculty appointment at Jefferson Medical College, Philadelphia, PA


Kenneth S. Breslin, MD

Joined BCGI in 1992
Undergraduate School: Trinity College (CT)
Medical School: Jefferson Medical College
Residency: University of Connecticut
Fellowship: Brown University/Rhode Island Hospital
Board Certified: in Gastroenterology
Fellow, American College of Gastroenterology
Member, Credentials Committee, St. Mary Medical Center, Langhorne, PA
Interests: Biliary and Therapeutic endoscopy
Former faculty appointment at Jefferson Medical College, Philadelphia, PA


Stephen A. Rafelson, MD

Practiced gastroenterology since 1978 and joined Bucks County Gastroenterology Associates in 2000
Undergraduate School: Union College, Schenectady, NY
Medical School: University of Pennsylvania School of Medicine, Philadelphia, PA
Internship/Residency: State University of New York Upstate Medical Center, Syracuse, NY
Fellowship: Yale University New Haven Hospital, New Haven, CT
Board Certified in Internal Medicine and Gastroenterology
Fellow, American College of Gastroenterology
Phi Beta Kappa, Union College
Interests: Esophageal reflux disease, Inflammatory bowel disease, Irritable bowel syndrome, Nutrition


J. Matthew Bohning, MD

Joined BCGI in July 2008
Undergraduate School: Temple University, B.M (Bachelor of Music) summa cum laude
Graduate School: Temple University, M.M. (Master of Music Performance)
Pre-medical education: University of Pennsylvania – Post-baccalaureate pre-medical program
Medical School: Temple University School of Medicine
Internship/Residency: Temple University Hospital
Fellowship: Temple University Hospital
Board certified in Gastroenterology and Internal Medicine
Interests: Esophageal, pancreatic and biliary disorders


Jyothi Mekapati, MD

Joined BCGI in October 2008
Undergraduate/Medical School: PSG Institute of Medical Sciences and Research, India
Internship/Residency: Temple University Hospital
Fellowship: Temple University Hospital
Motility Fellowship: Temple University Hospital
Board certified in Gastroenterology and Internal Medicine
Interests: Reflux and esophageal disorders


Kimberly Williams-Bidwell, CRNP

Joined BCGI in 2001
Undergraduate: East Stroudsburg University, PA
Graduate School: LaSalle University, Philadelphia, PA
Degree: Certified Registered Nurse Practitioner, Family Practice
Affiliations: Sigma Theta Tau Honor Society, Allied Health Member American
College of Gastroenterology
Special Interest: Hepatitis C
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