David M. Parker
Expertise in
12
conditions

Dr. David M. Parker

Bariatric Medicine | General Surgery
Geisinger Healthplex State College - General Surgery
132 Abigail Lane, 
Port Matilda, PA 
Accepting New Patients
Offers Telehealth
Referral required
Before you request
Expertise in
12
conditions
Geisinger Healthplex State College - General Surgery
132 Abigail Lane, 
Port Matilda, PA 

Overview

David M. Parker, MD, FACS, FASMBS, is a board-certified general surgeon specializing in bariatric surgery for both adolescents and adults. Dr. Parker performs several advanced and specialized surgical procedures, including gastric bypass, biliopancreatic diversion with duodenal switch, revisional bariatric surgery, laparoscopic gastric band (or “lap band”) and gastric sleeve. He also provides care for various conditions affecting the stomach and gastrointestinal (GI) system, including hiatal hernia, paraesophageal hernia, achalasia and acid reflux.|He has a clinical interest in minimally invasive laparoscopic and robotic surgery.|Board-certified in general surgery, Dr. Parker earned his medical degree from West Virginia University in Morgantown. He completed a general surgery residency at the Dwight D. Eisenhower Army Medical Center in Fort Gordon, GA, followed by a fellowship in bariatric and foregut surgery at Geisinger Medical Center in Danville.|While in medical school, he received the Presidential Award for Excellence in Scholarship. During his fellowship, he received the SAGES Award for best fellow presentation.|Dr. Parker serves as program director for the Geisinger bariatric and foregut surgical fellowship. He has a strong commitment to research in bariatric and foregut surgery and has authored more than 24 published articles.|He is an active member of the Society of Gastrointestinal and Endoscopic Surgeons and a fellow of the American College of Surgeons and American Society of Metabolic and Bariatric Surgeons.|Dr. Parker has served in the United States Army and continues to serve as a lieutenant colonel in the United States Army Reserve. He is also a football enthusiast, rooting for the West Virginia Mountaineers in his free time.

Dr. Parker is highly rated in 12 conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Hernia, Obesity, Gastric Bypass, and Endoscopy.

He is actively involved in clinical research, co-authoring 44 peer reviewed articles. Dr. Parker is currently accepting new patients.

Specialties

Bariatric Medicine
General Surgery

Licenses

Surgery in PA

Fellowships

Geisinger Medical Center, 2013

Hospital Affiliations

Geisinger Medical Center
Geisinger-Bloomsburg Hospital
Geisinger-Lewistown Hospital

Languages Spoken

English

Gender

Male

Insurance

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

Find your insurance
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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
Cigna
  • EPO
  • HMO
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Moda Health
  • EPO
  • PPO
Nippon Life
  • INSURANCE PLAN
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 9 Less Insurance Carriers -

Locations

Geisinger Healthplex State College - General Surgery
132 Abigail Lane, Port Matilda, PA 16870
Other Locations
Geisinger Medical Center - General Surgery
100 North Academy Avenue, Danville, PA 17822

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.

44 Total Publications

Too old to operate? Retrospective outcomes of laparoscopic paraesophageal hernia repair in nonagenarians.
Too old to operate? Retrospective outcomes of laparoscopic paraesophageal hernia repair in nonagenarians.
Journal: Surgical endoscopy
Published: June 05, 2026
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Frequently Asked Questions about Dr. David M. Parker

How do I make an appointment with Dr. David M. Parker?

You can book an appointment with Dr. David M. Parker by calling their office at 800-230-4565. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. David M. Parker a top-rated expert for Hiatal Hernia?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. David M. Parker is classified as an Elite expert for Hiatal Hernia, 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. David M. Parker specialize in?

While Dr. David M. Parker is a Bariatric Medicine, they have specific expertise in Hiatal Hernia, Hernia, and Gastric Bypass. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Bariatric Medicine.

Does Dr. David M. Parker participate in research or clinical trials?

Yes. Dr. David M. Parker has published 44 articles and abstracts on conditions like Hiatal Hernia. You can view a list of Dr. David M. Parker's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. David M. Parker accept my insurance?

Dr. David M. Parker accepts most major insurance plans, including Aetna and Capital Blue Cross. We recommend calling the office directly at 800-230-4565 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

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