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  • Gastroenterology, Hepatology, Internal Medicine
  • Accepting new patients
  • 46 years of experience
  • Mark K Detweiler MD 1B Commons Dr Unit 9A, Londonderry, NH 03053
  • (603) 818-4712

Brief Intro

Dr. Detweiler graduated from the Pennsylvania State University College of Medicine,Pennsylvania State University College of Medicine in 1979. He works in Londonderry, NH and 2 other locations and specializes in Gastroenterology, Internal Medicine and Hepatology. Dr. Detweiler is affiliated with Parkland Medical Center.

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Education Background

RESIDENCY

University Of Utah Health Care

MEDICAL SCHOOL

Pennsylvania State University College Of Medicine - 1979

Pennsylvania State University College Of Medicine - 1979

Languages Spoken

  • English

Location & Hours

  • Mark K Detweiler MD
  • 1B Commons Dr Unit 9A, Londonderry, NH 03053
  • Mon:8:00 am - 5:00 pm
    Tue:8:00 am - 5:00 pm
    Wed:8:00 am - 5:00 pm
    Thu:8:00 am - 5:00 pm
    Fri:8:00 am - 5:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Gastroenterology
  • Internal Medicine
  • Hepatology

Conditions Addressed

  • Constipation
  • Irritable Bowel Syndrome (IBS)
  • Inflammatory Bowel Disease (IBD)
  • Celiac Disease
  • Cirrhosis
  • Infectious Liver Disease
  • Gastroesophageal Reflux Disease (GERD)
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Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Blue Cross Blue Shield of Arizona
  • Health New England
  • Medicare
  • Harvard Pilgrim Health Care
  • Aetna
  • Anthem Blue Cross
  • UnitedHealthcare
  • Meritain Health
  • Mass General Brigham Health Plan
  • Tufts Health Plan
  • Three Rivers Providers Network (TRPN)
  • Humana
  • Blue Cross Blue Shield
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  • Cancer 3
  • Cardiology, Heart & Vascular Surgery 4
  • Orthopedics 9
  • Neurology & Neurosurgery 7
  • Gastroenterology & GI Surgery 10
  • Pulmonology & Lung Surgery 9
  • Diabetes & Endocrinology 2
  • Children's Hospital 1
  • Urology 7
  • Psychiatry 12
  • Geriatrics 9
  • Rehabilitation 6
  • Obsterics & Gynecology 1
  • Ear, Nose & Throat 1
  • Maternity Care (Uncomplicated Pregnancy) 4