Overview
John D. Horwhat, MD, specializes in gastroenterology. He is affiliated with UPMC Lititz. Dr. Horwhat completed his fellowships at Duke University Medical Center and Walter Reed National Military Medical Center, residency at Madigan Army Medical Center and medical degree at Temple University.
Dr. Horwhat is rated as an Experienced provider by MediFind in the treatment of Alcoholic Cirrhosis. His top areas of expertise are Bile Duct Obstruction, Acute Pancreatitis, Barrett Esophagus, Endoscopy, and Gastrectomy.
His clinical research consists of co-authoring 11 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE PDP
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- OTHER MEDICARE PART D
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- HMO
- MANAGED MEDICAID PLAN
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
4140 Oregon Pike, Ephrata, PA 17522
2112 Harrisburg Pike, Suite 202, Lancaster, PA 17601
Additional Areas of Focus
Dr. Horwhat has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
St Paul Place Specialists, Inc.
Paul Thuluvath is a Gastroenterologist in Lutherville, Maryland. Dr. Thuluvath is rated as an Elite provider by MediFind in the treatment of Alcoholic Cirrhosis. His top areas of expertise are Liver Failure, Hepatitis, Hepatitis C, Liver Transplant, and Endoscopy.
Eastern Pennsylvania Endoscopy Center
Philosophy of care | My philosophy is to provide you and your family the best medical care I can through communication, understanding and partnership. | Why I entered medicine | I entered medicine because of my interest in science and the connection it provides with people. Dr. Wong is rated as a Distinguished provider by MediFind in the treatment of Alcoholic Cirrhosis. Her top areas of expertise are Jaundice, Visceromegaly, Enlarged Liver, Endoscopy, and Gastrectomy.
Eastern Pennsylvania Endoscopy Center
Philosophy of care | My philosophy centers on you, your personal needs and unique health journey. I believe in a collaborative approach, empowering patients with knowledge and being actively involved in treatment decisions. Whether managing chronic liver disease, guiding someone through a transplant process or offering preventive care, I create a compassionate and supportive environment where you feel heard and cared for. | Why I entered medicine | I chose a medical career to make a positive impact on people’s lives, especially in the realm of complex diseases like liver conditions, where treatment requires a balance of medical expertise and empathy. Liver disease, in particular, often affects individuals and their family in profound ways, and I find it incredibly rewarding to help patients navigate their care, from diagnosis to advanced treatments like a transplant. | Personal interests | I enjoy cooking and traveling, as well as time with family and close friends. I believe in maintaining a healthy lifestyle with proper eating and regular exercise. I'm also committed to finding a balance between work and personal life. Dr. Peyton is rated as a Distinguished provider by MediFind in the treatment of Alcoholic Cirrhosis. His top areas of expertise are Hepatitis C, Primary Biliary Cholangitis, Hepatitis, Endoscopy, and Colonoscopy.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Acute PancreatitisDr. Horwhat isDistinguished. Learn about Acute Pancreatitis.
- Barrett EsophagusDr. Horwhat isDistinguished. Learn about Barrett Esophagus.
- Bile Duct ObstructionDr. Horwhat isDistinguished. Learn about Bile Duct Obstruction.
- Advanced
- Bile Duct StrictureDr. Horwhat isAdvanced. Learn about Bile Duct Stricture.
- Childhood PancreatitisDr. Horwhat isAdvanced. Learn about Childhood Pancreatitis.
- CholedocholithiasisDr. Horwhat isAdvanced. Learn about Choledocholithiasis.
- CholestasisDr. Horwhat isAdvanced. Learn about Cholestasis.
- Chronic PancreatitisDr. Horwhat isAdvanced. Learn about Chronic Pancreatitis.
- EndoscopyDr. Horwhat isAdvanced. Learn about Endoscopy.
- Experienced
- Alcoholic CirrhosisDr. Horwhat isExperienced. Learn about Alcoholic Cirrhosis.
- Ampullary CancerDr. Horwhat isExperienced. Learn about Ampullary Cancer.
- AnemiaDr. Horwhat isExperienced. Learn about Anemia.
- Angiodysplasia of the ColonDr. Horwhat isExperienced. Learn about Angiodysplasia of the Colon.
- AscitesDr. Horwhat isExperienced. Learn about Ascites.
- Attenuated Familial Adenomatous PolyposisDr. Horwhat isExperienced. Learn about Attenuated Familial Adenomatous Polyposis.


