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  • Jesse A. Green, MDInterim Clinical Director, Penn Presbyterian Medical Center Gastrointestinal Endoscopy Unit
    Dr. Green is a Professor of Clinical Medicine at the University of Pennsylvania Perelman School of Medicine. His clinical and educational interests focus on Crohn’s disease and ulcerative colitis. As a co-author, he has contributed to articles, book chapters and presentations on these subjects. He has also lectured locally and regionally on inflammatory bowel disease (IBD) and its complications. Dr. Green has had a career-long interest in clinical quality assessment and improvement as well as the education and training of gastroenterology fellows, medical residents and medical students in gastroenterology, with an emphasis on IBD.

    Most recently, Dr. Green was a Professor of Medicine at the Albany Medical College (AMC) and Director of the Gastrointestinal Endoscopy Unit at Albany Medical Center Hospital. He was promoted to Professor of Medicine at AMC in April, 2012, and had been selected annually as a Castle Connolly Top Doctor in gastroenterology from 2008 to 2013. Dr. Green is board-certified in gastroenterology and sees patients at Penn Presbyterian Medical Center.

  • James D. Lewis, MD, MSCE
    Dr. Lewis is a Professor of Medicine and Epidemiology and Senior Scholar in the Center for Clinical Epidemiology and Biostatistics at the University of Pennsylvania Perelman School of Medicine. Dr. Lewis has been actively involved in clinical research related to inflammatory bowel diseases (IBD), medication safety, and optimizing medical therapies for more than 15 years. During the last 5 years, he has additionally focused on the impact of diet on the gut microbiome and the course IBD. He has employed various research methods to address these questions, ranging from mathematical modeling to placebo controlled randomized trials. His work has been funded by the NIH, AHRQ, PCORI, and numerous foundations and corporate sponsors.

    Dr. Lewis previously served as the Chair of the National Scientific Advisory Committee for the Crohn’s & Colitis Foundation of America (CCFA) and as associate editor for Gastroenterology and Pharmacoepidemiology and Drug Safety. He is currently the lead scientist for the CCFA’s IBD Plexus. Dr. Lewis is board-certified in gastroenterology and sees patients at Penn Presbyterian Medical Center.

  • Mark T. Osterman, MD, MSCE
    Dr. Osterman is an Assistant Professor of Medicine at the University of Pennsylvania Perelman School of Medicine.  Dr. Osterman sees patients with inflammatory bowel disease (IBD) at Penn Presbyterian Medical Center and Penn Medicine at Radnor.  He has also been heavily involved in IBD clinical research for the last ten years, with a focus on clinical trials of novel therapies, optimization and safety of medical therapies using observational studies, therapeutic drug monitoring of immunosuppressant medications, and mucosal healing.

    In 2016, he will be Principal Investigator at Penn Presbyterian Medical Center for two new clinical trials in Crohn’s disease: one of nutritional therapy in patients incompletely responding to anti-TNF therapy (PIONEER-CD) and another of antibiotics and bowel preparation in refractory patients.  His work has been funded by the AGA, NIH, CCFA, pharmaceutical industry, and private philanthropy.  Dr. Osterman has recently served as Chair of the Chapter Medical Advisory Committee for the Crohn’s & Colitis Foundation of America (CCFA) Philadelphia Chapter, for which he is also a board member. Dr. Osterman is board-certified in gastroenterology and sees patients at Penn Presbyterian Medical Center as well as Penn Medicine Radnor.

  • Kashyap V. Panganamamula, MD
    Dr. Panganamamula is a Clinical Associate Professor of Medicine at the University of Pennsylvania Perelman School of Medicine. In addition to a fellowship in gastroenterology,  Dr.Panganamamula completed training in Advanced GI endoscopy and Gastrointestinal Motility. He performs standard endoscopic procedures including upper endoscopy, colonoscopy, and complex advanced endoscopic procedures such as endoscopic mucosal resection for removal of difficult colon polyps, ERCP, endoscopic ultrasound including fine needle aspiration, esophageal and enteral stenting, capsule endoscopy and balloon assisted deep enteroscopy of the small intestine at Penn Presbyterian Medical Center. Dr. Panganamamula provides consultative services in general gastroenterology, liver disease, and has particular clinical interest in advanced endoscopy, GI cancers, biliary and pancreatic diseases, including Pancreatic cysts. 

    Dr. Panganamamula has been an active member of the Advanced Endoscopy Team and Multidisciplinary Pancreatic Cyst Program at Penn Medicine.  He is actively involved as a speaker and moderator in Penn Medicine’s regionally and nationally popular Annual Live Endoscopy course. Dr. Panganamamula has co -authored articles on endoscopic ultrasound and endoscopic training. He served as a member, vice chair and chair, on the Clinical Practice Section of Annual Scientific Program Committee of the American Society of Gastrointestinal Endoscopy (ASGE).  Dr. Panganamamula is board certified in Internal Medicine and Gastroenterology and sees patients at Penn Presbyterian Medical Center.

  • Robert M. Strauss, MD
    Dr. Strauss is a Clinical Associate Professor of Medicine at the University of Pennsylvania Perelman School of Medicine. His clinical areas of interest include gastrointestinal tract cancers, infectious disease of the GI tract, inflammatory bowel disease, C. difficile infection, diverticulitis and peptic ulcer disease.  As a co-author, he has contributed to articles and book chapters, as well as, presentations on these and other subjects. Dr. Strauss has served on the board and educational committee of the Crohn’s and Colitis Foundation of America (Georgia Chapter). He was Vice President and President of the Georgia Gastroenterologic and Endoscopic Society. He was also a member of the education committee for the American Gastroenterological Association. Dr. Strauss has been repeatedly named a Castle Connolly Top Doctor in gastroenterology.

    Prior to joining Penn Medicine, Dr. Strauss practiced within a large, community based gastroenterology group in the Atlanta, Georgia region. While practicing gastroenterology and endoscopy, he was involved in multiple clinical research projects involving the treatment of hepatitis C, fatty liver disease, inflammatory bowel disease and C. difficile infection. He previously served on the GI faculty at Emory University.

    Dr. Strauss is board certified in internal medicine and gastroenterology. He is fluent in Spanish and German. Dr. Strauss sees patients at Penn Presbyterian Medical as well as Penn Medicine Radnor.

  • Katherine Weyant, CRNP
    Katherine Weyant practiced in the University of Pittsburgh Medical Center’s Division of Gastroenterology prior to transitioning to Penn Medicine in the summer of 2014. Her primary clinical focus has been patients with inflammatory bowel disease (IBD), and she has participated in clinical research and has co-authored peer reviewed publications in this area.  She sees IBD and general gastroenterology patients at Penn Presbyterian Medical Center.

  • Staci Hoops, PA-C
    Staci Hoops recently joined our practice, transitioning from Dutton Hills Medical Center where she delivered primary care medical services, with additional inpatient endocrinology experience at Riddle Hospital. She will see patients for general gastroenterology issues, as well as inflammatory bowel disease.

Administration

  • Afi Peele
    GI Practice Manager
  • Donna Bernard, MSN, CGRN, NE-BC
    Endoscopy Unit Nurse Manager
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