Marten B. Duncan
Experienced in Turcot Syndrome
Experienced in Turcot Syndrome
310 Electric Avenue, Suite 100, 
Lewistown, PA 

Overview

Dr. Duncan is a board-certified and fellowship-trained gastroenterologist. His clinical interests include endoscopic ultrasound and endoscopic retrograde cholangiopancreatography (ERCP). Dr. Duncan obtained his medical degree from the Western University of Health Sciences College of Osteopathic Medicine of the Pacific. He completed his residency at Madigan Army Medical Center, a fellowship in gastroenterology at Walter Reed Army Medical Center and another fellowship in hepatology and endoscopic ultrasound at the University of Maryland Medical Center. Dr. Duncan is certified by the American Board of Internal Medicine in gastroenterology.

Dr. Duncan is rated as an Experienced provider by MediFind in the treatment of Turcot Syndrome. His top areas of expertise are Choledocholithiasis, Bile Duct Obstruction, Gallstones, Endoscopy, and Gastrectomy.

Graduate Institution
College Of Osteopathic Medicine Of The Pacific, 1998 - Doctor Of Osteopathic Medicine
Specialties
Gastroenterology
Licenses
Internal Medicine in PA
Board Certifications
The American Board Of Internal Medicine In Gastroenterology
Fellowships
University of Maryland Medical Center, 2005
Hospital Affiliations
Geisinger Medical Center
Geisinger-Lewistown Hospital
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Health Partners Plans
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Moda Health
  • EPO
  • PPO
PA Health and Wellness
  • HMO
  • MANAGED MEDICAID PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 13 Less Insurance Carriers -

Locations

Geisinger Lewistown - Gastroenterology
310 Electric Avenue, Suite 100, Lewistown, PA 17044
Other Locations
Geisinger Healthplex State College - Gastroenterology
132 Abigail Lane, Port Matilda, PA 16870

Additional Areas of Focus

Dr. Duncan 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.

Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)
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Shahin Rahimian is a Gastroenterologist in Waynesboro, Pennsylvania. Dr. Rahimian is rated as a Distinguished provider by MediFind in the treatment of Turcot Syndrome. His top areas of expertise are Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Attenuated Familial Adenomatous Polyposis, Gastrectomy, and Colonoscopy.

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Robert Purcell, MD, is a board-certified and fellowship-trained gastroenterologist, also known as a GI doctor. Dr. Purcell has a special interest in endoscopic retrograde cholangiopancreatography (ERCP), a method to diagnose and treat liver, gallbladder, pancreas and bile duct diseases, and general gastroenterology.|Dr. Purcell earned his medical degree from New York Medical College. He completed his residency in internal medicine at Danbury Hospital and his fellowship in gastroenterology at Bridgeport Hospital, both in Connecticut.|Dr. Purcell is certified by the American Board of Internal Medicine in gastroenterology. Dr. Purcell is rated as an Advanced provider by MediFind in the treatment of Turcot Syndrome. His top areas of expertise are Familial Adenomatous Polyposis, Morning Sickness, Crohn's Disease, Gastrectomy, 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

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