Dr. Horwhat is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
2112 Harrisburg Pike
Ste 202
Lancaster, PA 17601Phone+1 717-544-3500Fax+1 717-544-3501
Summary
- John Horwhat, MD, is a gastroenterologist based in Lancaster, PA, with subspecialties in Advanced Endoscopic Interventional, Esophagus Disease, Gastrointestinal Cancer, and Pancreas Disease. His career is marked by a wide-ranging education and professional history that includes roles as the Assistant Chief and Fellowship Program Director at Walter Reed National Military Medical Center, and Fellowships in Gastroenterology at the National Capital Consortium and Advanced Endoscopy at Duke University Hospital. Dr. Horwhat has a wealth of experience in areas such as general gastroenterology, gastroesophageal reflux, irritable bowel syndrome, interventional gastroenterology, and biliary tract disease. He has contributed to clinical research and has multiple highly cited publications to his name. He has also participated in clinical trials and received the CMS Meaningful Use Stage 1 Certification from EpicCare Ambulatory EMR in 2013.
Education & Training
- Duke University HospitalFellowship, Advanced Endoscopy, 2003 - 2004
- National Capital ConsortiumFellowship, Gastroenterology, 1997 - 2000
- Madigan Army Medical CenterResidency, Internal Medicine, 1992 - 1995
- Lewis Katz School of Medicine at Temple UniversityClass of 1992
Certifications & Licensure
- PA State Medical License 1994 - 2024
- MD State Medical License 2012 - 2014
- NE State Medical License 2008 - 2014
- ND State Medical License 2010 - 2011
- NC State Medical License 2001 - 2008
- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2013
Clinical Trials
- Endoesophageal Cryotherapy For Ablating Barrett's Esophagus and Early Stage Esophageal Cancer Start of enrollment: 2007 Mar 01
Publications & Presentations
PubMed
- 19 citationsClinical outcomes in patients with a diagnosis of "indefinite for dysplasia" in Barrett's esophagus: a multicenter cohort study.Preetika Sinh, Rajeswari Anaparthy, Patrick E. Young, Srinivas Gaddam, Prashanthi N. Thota
Endoscopy. 2015-04-24 - 1 citationsCryotherapy for treatment of radiation proctitis.Fouad J. Moawad, John D. Horwhat
Gastrointestinal Endoscopy. 2014-02-01 - 6 citationsEndotherapy for and tailored approaches to treating GERD, and refractory GERDG. Richard Locke, John D. Horwhat, Hiroshi Mashimo, Edoardo Savarino, Patrizia Zentilin
Annals of the New York Academy of Sciences. 2013-10-01
Professional Memberships
- Member
- Fellow
- Fellow
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: