Physicians & Staff


David A. Popper, MD

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 Certification: 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

Kenneth S. Breslin, MD

Top Doctors Philadelphia Magazine 2018Joined BCGI in 1992
Undergraduate School: Trinity College (CT)
Medical School: Jefferson Medical College
Residency: University of Connecticut 
Fellowship: Brown University/Rhode Island Hospital
Board Certification: Gastroenterology
Fellow, American College of Gastroenterology
Clinical Instructor, Division of Gastroenterology and Hepatology, Thomas Jefferson University Hospital
Philadelphia magazine Top Doctors™ 2018 
Chief, Division of Gastroenterology, Saint Mary Medical Center, Langhorne, PA
Member, Credentials Committee, St. Mary Medical Center, Langhorne, PA
Interests: Biliary and Therapeutic endoscopy


Stephen A. Rafelson, MD

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 Certification: 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

J. Matthew Bohning, MD

Top Doctors Philadelphia Magazine 2018Joined 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 Certification: Gastroenterology and Internal Medicine
Clinical Instructor, Division of Gastroenterology and Hepatology, Thomas Jefferson University Hospital
Philadelphia magazine Top Doctors™ 2018
Member, Medical Executive Committee, Saint Mary Medical Center, Langhorne, PA
Interests: Esophageal, pancreatic and biliary disorders


Jyothi Mekapati, MD

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 Certification:  Gastroenterology
Interests: Reflux and esophageal disorders, Irritable bowel syndrome, inflammatory bowel disease


Kimberly Williams-Bidwell, CRNP

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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