Dr. Mark Detweiler, MD
Dr. Mark Detweiler, MD is a gastroenterologist in Londonderry, NH and has over 45 years of experience in the medical field. He graduated from Penn State University College of Medicine in 1979. He is affiliated with medical facilities such as Lahey Hospital and Medical Center, Burlington and Portsmouth Regional Hospital. He is accepting new patients and telehealth appointments.
Practice
1B Commons Dr Unit 9A Londonderry, NH 03053Make an Appointment
Compare Dr. Mark Detweiler, MD with other Gastroenterologists near you
Experience Check
Search for experience in a specific area
Dr. Detweiler's Reviews
Likelihood to recommend Dr. Detweiler
4.3
| 5 Star | 82% | 82% |
| 4 Star | 0% | 0% |
| 3 Star | 0% | 0% |
| 2 Star | 0% | 0% |
| 1 Star | 18% | 18% |
Leave a review
How was your experience with Dr. Detweiler?Overall Patient Satisfaction
Likelihood of recommending Dr. Detweiler to family and friends is 4.2727275 out of 5
About Me
care philosophy
I am a doctor who takes time to listen to your concerns, and includes you in making decisions abut your care. When possible I prefer to avoid antibiotics and other prescription medications as they the often have unwanted side effects. I also prefer to treat the root cause of a problem rather than bandage over the symptoms.Gastroenterology
Integrative Medicine
Holistic Medicine
Applied Clinical Nutrition
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
University Utah Medical Center
Fellowship Hospital, 1984University Vt Medical Center Hospital
Internship Hospital, 1980Penn State University College Of Medicine
Medical School, 1979Lehigh University Bs Chemistry
Undergraduate School, 1975
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkFocus on IBD
Insurance Check
Search for your insurance carrier and choose your plan type
Locations
Practice
Affiliated Hospitals
- Recipient of 4
hospital awardsView all patient feedbackHow patients felt about the care they received at this hospital.
87%Patients said they were given information about recovering at home3% higher than the national average
79%Patients said that doctors always listened to them and explained things well3% higher than the national average
- Recipient of 2
hospital awardsView all awardsOutstanding Patient Experience Award™ (2023, 2022)
Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions
View all patient feedbackHow patients felt about the care they received at this hospital.
88%Patients said they were given information about recovering at home1% higher than the national average
83%Patients said that nurses always listened to them and explained things well5% higher than the national average
- Recipient of 41
hospital awardsAmerica's 100 Best Hospitals Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
88%Patients said they were given information about recovering at home4% higher than the national average
79%Patients said that doctors always listened to them and explained things well3% higher than the national average
Your trust is our top concern. Learn more.
We monitor all reviews to ensure they comply with our guidelines and don’t include personal information, profanity, libel, defamation, harassment, obscenity or fraud.
All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.
Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.
Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.