Overview
Dr. Shellenberger is a board-certified and fellowship-trained gastroenterologist. His clinical interests include postgraduate medical education, esophageal motility and other GI laboratory procedures. Dr. Shellenberger earned his medical degree from the Philadelphia College of Osteopathic Medicine. He completed his residency and his fellowship in gastroenterology at Geisinger Medical Center. Dr. Shellenberger is certified by the American Board of Internal Medicine in internal medicine and gastroenterology.
Dr. Shellenberger is highly rated in 10 conditions, according to our data. His top areas of expertise are Crohn's Disease, Angiodysplasia of the Colon, Swallowing Difficulty, Endoscopy, and Colonoscopy.
His clinical research consists of co-authoring 11 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Graduate Institution
Residency
Specialties
Licenses
Board Certifications
Fellowships
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- PPO
- HMO
- MANAGED MEDICAID PLAN
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
100 North Academy Avenue, Danville, PA 17822
10 Choate Circle, Montoursville, PA 17754
1201 Oak Street, Pittston, PA 18640
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Geisinger Medical Center - Gastroenterology
Dr. Diehl is a board-certified and fellowship-trained gastroenterologist. His clinical interests include endoscopic ultrasound, endoscopic retrograde cholangiopancreatography (ERCP) and innovative advanced therapeutic endoscopy. Dr. Diehl obtained his medical degree from the University of California, Los Angeles. He completed his residency at Harbor-UCLA Medical Center and his fellowships in gastroenterology at the University of California, San Francisco Medical Center and the University of California, Los Angeles Medical Center. Dr. Diehl is certified by the American Board of Internal Medicine. In his free time, Dr. Diehl enjoys spending time with his family and exercising, particularly swimming. He also has an appreciation for old cars. Dr. Diehl is highly rated in 26 conditions, according to our data. His top areas of expertise are Barrett Esophagus, Gallbladder Disease, Watermelon Stomach, Endoscopy, and Gallbladder Removal.
Geisinger Medical Center - GI Nutrition
Dr. Still is a board-certified and fellowship-trained specialist in nutrition and weight management. His clinical and research interests include malnutrition and comprehensive weight management. Dr. Still obtained his medical degree from the Philadelphia College of Osteopathic Medicine. He completed his residency and a fellowship in clinical nutrition at Geisinger Medical Center. Dr. Still is certified by the American Board of Internal Medicine.|Are weight loss medications right for you? Learn more from Dr. Still. Dr. Still is highly rated in 8 conditions, according to our data. His top areas of expertise are Obesity, Malnutrition, Small Bowel Bacterial Overgrowth, Gastric Bypass, and Vagotomy.
GMC Gastroenterology/Nutrition
Dr. Confer is a board-certified and fellowship-trained gastroenterologist. His clinical interests include endoscopic ultrasound and endoscopic retrograde cholangiopancreatography (ERCP). Dr. Confer attended the Lake Erie College of Osteopathic Medicine, where he received his medical degree. He completed his residency, a fellowship in gastroenterology and hepatology, and a fellowship in advanced therapeutic endoscopy at the Cleveland Clinic Foundation. Dr. Confer is certified by the American Board of Internal Medicine in gastroenterology. Dr. Confer is highly rated in 15 conditions, according to our data. His top areas of expertise are Gallbladder Disease, Benign Esophageal Stricture, Cholecystitis, Endoscopy, and Gallbladder Removal.
Frequently Asked Questions about Dr. Matthew J. Shellenberger
How do I make an appointment with Dr. Matthew J. Shellenberger?
You can book an appointment with Dr. Matthew J. Shellenberger by calling their office at 800-275-6401. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Matthew J. Shellenberger a top-rated expert for Crohn's Disease?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Matthew J. Shellenberger is classified as an Distinguished expert for Crohn's Disease, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Matthew J. Shellenberger specialize in?
While Dr. Matthew J. Shellenberger is a Gastroenterology, they have specific expertise in Crohn's Disease, Endoscopy, and Angiodysplasia of the Colon. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.
Does Dr. Matthew J. Shellenberger participate in research or clinical trials?
Yes. Dr. Matthew J. Shellenberger has published 11 articles and abstracts on conditions like Crohn's Disease. You can view a list of Dr. Matthew J. Shellenberger's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Matthew J. Shellenberger accept my insurance?
Dr. Matthew J. Shellenberger accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 800-275-6401 to verify that your specific plan is currently accepted before your visit.
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
- Distinguished
- Crohn's DiseaseDr. Shellenberger isDistinguished. Learn about Crohn's Disease.
- Advanced
- Angiodysplasia of the ColonDr. Shellenberger isAdvanced. Learn about Angiodysplasia of the Colon.
- ColitisDr. Shellenberger isAdvanced. Learn about Colitis.
- EndoscopyDr. Shellenberger isAdvanced. Learn about Endoscopy.
- EsophagitisDr. Shellenberger isAdvanced. Learn about Esophagitis.
- Familial Adenomatous PolyposisDr. Shellenberger isAdvanced. Learn about Familial Adenomatous Polyposis.
- Gas Bloat SyndromeDr. Shellenberger isAdvanced. Learn about Gas Bloat Syndrome.
- Experienced
- AchalasiaDr. Shellenberger isExperienced. Learn about Achalasia.
- Alcoholic CirrhosisDr. Shellenberger isExperienced. Learn about Alcoholic Cirrhosis.
- Anal FissureDr. Shellenberger isExperienced. Learn about Anal Fissure.
- Bacterial GastroenteritisDr. Shellenberger isExperienced. Learn about Bacterial Gastroenteritis.
- Banti's SyndromeDr. Shellenberger isExperienced. Learn about Banti's Syndrome.
- Barrett EsophagusDr. Shellenberger isExperienced. Learn about Barrett Esophagus.