
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 rated as an Experienced provider by MediFind in the treatment of Short Bowel Syndrome. His top areas of expertise are Hiatal Hernia, Hernia, Obesity, Gastric Bypass, and Endoscopy.
His clinical research consists of co-authoring 40 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- 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
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- PPO
- INSURANCE PLAN
- 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
100 North Academy Avenue, Danville, PA 17822
132 Abigail Lane, Port Matilda, PA 16870
132 Abigail Lane, Port Matilda, PA 16870
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.
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Leonardo Claros is a General Surgeon in Allentown, Pennsylvania. Dr. Claros is rated as an Advanced provider by MediFind in the treatment of Short Bowel Syndrome. His top areas of expertise are Obesity, Short Bowel Syndrome, Malnutrition, Endoscopy, and Sleeve Gastrectomy.
St Lukes Physician Group Inc
Ikemefuna Akusoba is a General Surgeon in Allentown, Pennsylvania. Dr. Akusoba is rated as an Advanced provider by MediFind in the treatment of Short Bowel Syndrome. His top areas of expertise are Short Bowel Syndrome, Malnutrition, Obesity, Vagotomy, and Endoscopy.
Geisinger Medical Center - General Surgery
Osama Shaheen, MD, is a general surgeon specializing in bariatric and foregut surgery. He performs a variety of surgical treatments for adults, including Nissen/Toupet fundoplication, Heller myotomy, laparoscopic hiatal hernia repair, LINX procedure, Roux-en-Y gastric bypass (RYGB), gastric sleeve, duodenal switch, single anastomosis duodeno–ileal bypass with sleeve gastrectomy, (SADI-S) and revisional bariatric surgery.|Dr. Shaheen attended Damascus University in Damascus, Syria, where he earned his medical degree. After medical school, he completed a residency at Damascus University Hospital. He followed that with a fellowship in multi-organ abdominal transplant surgery and a residency in general surgery, both at Thomas Jefferson University Hospital in Philadelphia. He also completed a fellowship in bariatric and advanced minimally invasive surgery with the Advanced Laparoscopic Surgery Associates (ALSA) Medical Group in Fresno, California.|He’s received several Excellence in Teaching Awards during his residency and fellowships.|He and his wife Latifa moved to the area in 2023. “I decided to move to Geisinger, a healthcare system known for its superior quality,” he notes. Dr. Shaheen is rated as an Experienced provider by MediFind in the treatment of Short Bowel Syndrome. His top areas of expertise are Short Bowel Syndrome, Malnutrition, Obesity, Gastrectomy, and Gastric Bypass.
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
- Elite
- HerniaDr. Parker isElite. Learn about Hernia.
- Hiatal HerniaDr. Parker isElite. Learn about Hiatal Hernia.
- Distinguished
- EndoscopyDr. Parker isDistinguished. Learn about Endoscopy.
- Gastric BypassDr. Parker isDistinguished. Learn about Gastric Bypass.
- ObesityDr. Parker isDistinguished. Learn about Obesity.
- Advanced
- Congenital Diaphragmatic HerniaDr. Parker isAdvanced. Learn about Congenital Diaphragmatic Hernia.
- Diaphragmatic HerniaDr. Parker isAdvanced. Learn about Diaphragmatic Hernia.
- Gallbladder RemovalDr. Parker isAdvanced. Learn about Gallbladder Removal.
- GastrectomyDr. Parker isAdvanced. Learn about Gastrectomy.
- Gastroesophageal Reflux Disease (GERD)
- MalnutritionDr. Parker isAdvanced. Learn about Malnutrition.
- Experienced
- AchalasiaDr. Parker isExperienced. Learn about Achalasia.
- Barrett EsophagusDr. Parker isExperienced. Learn about Barrett Esophagus.
- Bile Duct StrictureDr. Parker isExperienced. Learn about Bile Duct Stricture.
- Biliary DyskinesiaDr. Parker isExperienced. Learn about Biliary Dyskinesia.
- EsophagitisDr. Parker isExperienced. Learn about Esophagitis.
- Gallbladder DiseaseDr. Parker isExperienced. Learn about Gallbladder Disease.