Overview
Dr. Armstrong is a board-certified general surgeon. His clinical interests include hernias, robotics and general surgery. Dr. Armstrong obtained his medical degree from Temple University. He completed his residency at the University of Pittsburgh Medical Center. Dr. Armstrong is certified by the American Board of Surgery.
Dr. Armstrong is highly rated in 3 conditions, according to our data. His top areas of expertise are Gallstones, Choledocholithiasis, Gallbladder Disease, Hernia Surgery, and Gallbladder Removal.
Graduate Institution
Specialties
Licenses
Board Certifications
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
- INSURANCE PLAN
- OTHER COMMERCIAL
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- 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
68 Spring Street, Lock Haven, PA 17745
27 Sandy Lane, Suite 270, Lewistown, PA 17044
1020 Thompson Street, Jersey Shore, PA 17740
1020 Thompson Street, Jersey Shore, PA 17740
Geisinger Medical Center - General Surgery
Anthony T. Petrick, MD, FACS, FASMBS, is a board-certified general surgeon specializing in esophageal and bariatric surgery. Dr. Petrick performs a number of advanced and specialized surgical procedures including advanced endoscopy, revisional bariatric surgery, laparoscopic gastric band (or “lap band”), gastric bypass, biliopancreatic diversion with duodenal switch and gastric sleeve. He also treats people for various conditions affecting the stomach and gastrointestinal (GI) system, including hiatal and paraesophageal hernia, achalasia and acid reflux (GERD).|Board-certified in general surgery, Dr. Petrick earned his medical degree from Georgetown University in Washington, D.C. He completed general surgery residency at Georgetown University Medical Center in Washington, D.C. He then completed a fellowships in Surgical Oncology at and Beth Israel Deaconess Medical Center in Boston and in Bariatric and Foregut surgery at the University of Pittsburgh Medical Center.|For the past 18 years, Dr. Petrick served as program director for the Geisinger bariatric and foregut surgical fellowship. He now serves as associate program director, acting as a mentor to bariatric surgery fellows. Dr. Petrick has a strong commitment to research in bariatric and foregut surgery and has authored more than 100 articles. Currently, he serves as chief quality officer for inpatient services at Geisinger and Director of the Division of Bariatric and Foregut surgery.|Dr. Petrick 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. He chairs to Data and Quality Committee for the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program and also serves as an editorial board member for the journal Surgical and Obesity-Related Diseases and a columnist for Bariatric Times.|In his free time, Dr. Petrick serves on the board of education at St. Joseph School in Danville. He also coaches the Susquehanna Valley Stampede varsity and junior varsity ice hockey teams.|Clinical Focus: Bariatric Surgery|If you’re a provider who’d like to refer a patient, call our 24/7 referral line at 800-332-8901 or visit www.emr-link.com. Dr. Petrick is highly rated in 14 conditions, according to our data. His top areas of expertise are Obesity, Hiatal Hernia, Hernia, Gastric Bypass, and Endoscopy.
Evangelical Medical Services Organization
John Turner is a General Surgeon and a Radiologist in Lewisburg, Pennsylvania. Dr. Turner is highly rated in 17 conditions, according to our data. His top areas of expertise are Li-Fraumeni Syndrome, HER2 Negative Breast Cancer, BRCA Positive Breast Cancer, and Breast Cancer.
Evangelical Medical Services Organization
Jon Gabrielsen is a General Surgeon in Lewisburg, Pennsylvania. Dr. Gabrielsen is highly rated in 12 conditions, according to our data. His top areas of expertise are Hiatal Hernia, Hernia, Achalasia, Gastric Bypass, and Gallbladder Removal.
Frequently Asked Questions about Dr. Mark E. Armstrong
How do I make an appointment with Dr. Mark E. Armstrong?
You can book an appointment with Dr. Mark E. Armstrong 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. Mark E. Armstrong a top-rated expert for Gallstones?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Mark E. Armstrong is classified as an Advanced expert for Gallstones, 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. Mark E. Armstrong specialize in?
While Dr. Mark E. Armstrong is a General Surgery, they have specific expertise in Gallstones, Choledocholithiasis, and Gallbladder Disease. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within General Surgery.
Does Dr. Mark E. Armstrong accept my insurance?
Dr. Mark E. Armstrong accepts most major insurance plans, including Aetna and Anthem BCBS. 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
- Advanced
- CholedocholithiasisDr. Armstrong isAdvanced. Learn about Choledocholithiasis.
- Gallbladder DiseaseDr. Armstrong isAdvanced. Learn about Gallbladder Disease.
- GallstonesDr. Armstrong isAdvanced. Learn about Gallstones.
- Experienced
- CellulitisDr. Armstrong isExperienced. Learn about Cellulitis.
- CholecystitisDr. Armstrong isExperienced. Learn about Cholecystitis.
- Epidural LipomatosisDr. Armstrong isExperienced. Learn about Epidural Lipomatosis.
- Familial Adenomatous PolyposisDr. Armstrong isExperienced. Learn about Familial Adenomatous Polyposis.
- Gallbladder RemovalDr. Armstrong isExperienced. Learn about Gallbladder Removal.
- HerniaDr. Armstrong isExperienced. Learn about Hernia.