4.6
20 Ratings with 12 written Reviews
Summary
Dr. John Horwhat is a gastroenterologist and internal medicine physician who earned his medical degree from Lewis Katz School of Medicine at Temple University. He completed his residency training at Madigan Healthcare System and brings 34 years of clinical experience to his practice. Dr. Horwhat is multilingual, speaking Chinese, Spanish, Vietnamese, English, and Korean to serve diverse patient populations.
Dr. Horwhat practices at multiple locations throughout Lancaster and Ephrata, Pennsylvania, with affiliations at Wellspan Ephrata Community Hospital, Lancaster General Hospital, and Penn State Health Lancaster Medical Center. His expertise includes treating colon polyps, diverticular disease, and diverticulosis. He performs colonoscopies and lower GI endoscopy procedures using sedation for patient comfort. Patients have given him an average rating of 4.6.
Dr. Horwhat practices at multiple locations throughout Lancaster and Ephrata, Pennsylvania, with affiliations at Wellspan Ephrata Community Hospital, Lancaster General Hospital, and Penn State Health Lancaster Medical Center. His expertise includes treating colon polyps, diverticular disease, and diverticulosis. He performs colonoscopies and lower GI endoscopy procedures using sedation for patient comfort. Patients have given him an average rating of 4.6.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 34 years of experience
- 35 insurance plans accepted
- speaks Chinese, Spanish, Vietnamese, English, Korean
- Madigan Healthcare System
- 12 written reviews
- 2 specialties
- 11 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 5 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. John David Horwhat has 5 locationsUs Digestive Health
2112 Harrisburg Pike Ste 202Lancaster, PA 17601 Tel: (717) 869-4600
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Midatlantic Endoscopy 2
4140 Oregon PikeEphrata, PA 17522 Tel: (717) 283-4790
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Midatlantic Endoscopy 1
2112 Harrisburg Pike Ste 100Lancaster, PA 17601Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. John David Horwhat, MD | Chimdi Mfebe, APRN | Ashley Anderson, APRN | Ji Soo Choi, APRN |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 34 Years of Experience | |||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Chinese, Spanish, Vietnamese, English, Korean | Speaks English | Speaks English | Speaks English |
| Lancaster , PA | Little Rock , AR | SACRAMENTO , CA | SACRAMENTO , CA |
| Med School: Lewis Katz School Of Medicine At Temple University | Med School: Chamberlain University College of Nursing | Med School: East Tennessee State University - Quillen College of Medicine | Med School: New York University |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John David Horwhat
Medical Specialties
Dr. John David Horwhat has the following 2 specialties
Specialty Expertise
Dr. John David Horwhat has the following 11 areas of expertise
Certifications, License, & Education
34 Years Experience
MEDICAL LICENSE
Medical Doctor, Pennsylvania, 2026, Active
EDUCATION & TRAINING
Residency
Madigan Healthcare System
Medical School
Lewis Katz School Of Medicine At Temple UniversityGraduated in 1992
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Frequently Asked Questions
- Does Dr. John Horwhat accept virtual/telehealth appointments?
- Dr. John Horwhat has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. John Horwhat?
- You can find contact information for Dr. John Horwhat here on Vitals.
- Is Dr. John Horwhat accepting new patients?
- Dr. John Horwhat is accepting new patients on Vitals. View Dr. John Horwhat's profile on Vitals to make an appointment.
- Which hospitals is Dr. John Horwhat affiliated with?
- Dr. John Horwhat is affiliated with Wellspan Ephrata Community Hospital.
- Does Dr. John Horwhat accept my insurance?
- You can see the insurance plans that Dr. John Horwhat accepts on their Vitals profile.
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