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Dr. Mark Detweiler, MD

Gastroenterology*
4.3 (22)
Map Pin Small Londonderry, NH
Accepting new patients
45 years of experience

Offers telehealth

Overview of Dr. Mark Detweiler, MD

Dr. Mark Detweiler, MD is a Gastroenterology Specialist in Londonderry, NH. They specialize in Gastroenterology, has 45 years of experience, and is board certified in Gastroenterology. They graduated from Penn State University College of Medicine. Patients rated Dr. Detweiler an average 4.3 star rating.

Dr. Detweiler works at Practice in Londonderry, NH. They frequently treat conditions like Dysentery, Infectious Diarrheal Disease and Enteritis along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

FindCare Super Profile Designation
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User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Detweiler's Office Locations

  1. 1
    Londonderry Gastroenterology Associates PA
    1B Commons Dr Unit 9A, Londonderry, NH 03053 Icon Directions Right Arrow Directions Phone Icon (603) 818-4712

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Dysentery
Infectious Diarrheal Disease
Enteritis

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Dysentery
Infectious Diarrheal Disease
Enteritis
Abdominal Pain
Celiac Disease
Constipation
Diarrhea
  • View other providers who treat Diarrhea
Gas-Bloat Syndrome
Gastrointestinal Malabsorption
Heartburn
Inflammatory Bowel Disease
Intestinal Diverticulitis
Retroperitoneum Cancer
Viral Enteritis
Vitamin_Deficiency
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Abdominal Disorders
Abscess
  • View other providers who treat Abscess
Alcoholic Fatty Liver
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Autoimmune Diseases
Bacterial Infections of the Digestive Tract
Candida Albicans Fungus Allergy
Cirrhosis
Colitis
  • View other providers who treat Colitis
Colon Disorders
Crohn's Disease
Diaphragmatic and Hiatal Hernia
Diffuse Esophageal Spasm
Duodenal Ulcer
Duodenitis
Dysphagia
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Diseases
Esophageal Motility Disorders
Esophageal Ulcer
Esophagitis
Familial Adenomatous Polyposis
Food Allergy
Fungal Infections
Gallstones
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Diseases
Gastroparesis
Gluten Sensitivity
Hemochromatosis
Hemorrhoids
Hepatic Encephalopathy
Hepatitis
Hepatitis C
Hiatal Hernia
Indigestion
Intestinal Diverticulosis
Intestinal Malabsorption Carbohydrate
Intestinal Ulcer
Invasive Candidiasis
Irritable Bowel Syndrome
Lactose Intolerance
Liver Damage from Alcohol
Malnutrition
Nausea
  • View other providers who treat Nausea
Non-Alcoholic Fatty Liver Disease
Non-Neonatal Jaundice
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Peptic Ulcer
Potassium Deficiency
Pouchitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Stomach and Small Intestine Cancer
Stomach Diseases
Ulcer
  • View other providers who treat Ulcer
Ulcerative Colitis
Unexplained Weight Loss
Viral Hepatitis
Viral Infection
Vomiting Disorders
Colon Cancer Screening
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
VAP Lipid Testing
Wireless pH Testing
Check your insurance
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    View All Accepted Carriers

    • Aetna
    • Anthem
    • AvMed
    • Blue Cross Blue Shield
    • Buckeye Community Health Plan
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • Coventry Health Care
    • First Health
    • Harvard Pilgrim Health Care
    • Health Net
    • Humana
    • Tufts Health Plan
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    4.3
    Average provider rating
    Based on 22 ratings
    Patient Ratings (22)
    5 Star
    (18)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (4)
    Leave a review

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    Dr. Detweiler's Office & Staff

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    Experience with Dr. Detweiler

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. Mark Detweiler, MD

    Specialties*
    • Gastroenterology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 45 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1548344583
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • University Utah Medical Center
    Fellowship
    Internship
    • University Vt Medical Center Hospital
    Internship
    Medical Education
    • Penn State University College of Medicine
    Medical Education
    Undergraduate School
    • Lehigh University Bs Chemistry
    Undergraduate School
    Board Certifications
    • Gastroenterology and Internal Medicine
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. Mark Detweiler, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Detweiler is offering online scheduling or call the provider’s office for more information.

    Dr. Detweiler has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Detweiler works at Practice in Londonderry, NH. View the full address on Dr. Detweiler’s profile.

    Dr. Detweiler has seen patients for Dysentery, Infectious Diarrheal Disease and Enteritis, and more. You can see other conditions treated by Dr. Detweiler on their profile. Please call the provider’s office to confirm all visit reasons.

    22 patients have reviewed Dr. Detweiler. The overall rating for this provider is 4.3. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Detweiler.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Detweiler, there are benefits to both methods. A person calling to schedule an with Dr. Detweiler appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Detweiler, or would you like to choose another provider and have an online appointment right now?
    Find provider online now
    Call now to make an appointment
    (603) 818-4712

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