
Overview
Benjamin Chang is a Vascular Surgeon in Williamsport, Pennsylvania. Dr. Chang is rated as an Advanced provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Gangrene, Thoracic Aortic Aneurysm, Abdominal Aortic Aneurysm (AAA), Carotid Artery Surgery, and Endoscopy. Dr. Chang is currently accepting new patients.
His clinical research consists of co-authoring 7 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
- EPO
- HMO
- PPO
- HMO
- POS
- PPO
- HMO
- POS
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE-MEDICAID 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
740 High Street, Suite 3001, Williamsport, PA 17701
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 - Vascular Surgery
Dr. Ryer is a board-certified and fellowship-trained vascular surgeon. His clinical interests include management of thoracic and abdominal aneurysms, carotid stenting and endarterectomy, stenting of the lower extremities and venous disease management. Dr. Ryer earned his medical degree from Temple University. He completed his residency at NewYork-Presbyterian Hospital/Weill Cornell Medical Center, and his fellowship in vascular surgery at Mayo Clinic, Rochester. Dr. Ryer is certified by the American Board of Surgery in surgery and vascular surgery. Dr. Ryer is rated as a Distinguished provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Stent Placement.
Geisinger Medical Center - Vascular Surgery
James R. Elmore, MD, is a vascular surgeon and chair of Vascular Surgery. Dr. Elmore obtained his medical degree from the University of Connecticut. He completed his surgery residency at Maine Medical Center and his vascular fellowship at Mayo Clinic in Rochester, Minn. Dr. Elmore is board certified in vascular surgery by the American Board of Surgery. He is a member of the American College of Surgeons, the Delaware Valley Vascular Society, the Eastern Vascular Society, the Vascular and Endovascular Surgery Society, the Society for Clinical Vascular Surgery and the Society for Vascular Surgery. Dr. Elmore has been recognized as a distinguished member of the Society for Vascular Surgery, a rare honor and distinction. He is past president of the Delaware Valley Vascular Society. Dr. Elmore’s clinical interests include carotid artery stents & carotid endarterectomy and was the principal investigator for CREST (a research trial investigating carotid stents). He has extensive experience with aortic aneurysm surgery and stents, and broad experience with leg revascularization with leg stents or bypass for peripheral arterial disease. Dr. Elmore is pleased to provide minimally invasive procedures for varicose veins for his patients at Geisinger. Stent placement for renal artery disease and mesenteric disease are also procedures he commonly performs. Dr. Elmore likes to treat all his patients as if they are his own family members. Every patient is treated as a VIP. He works hard to give them the most compassionate care possible. Dr. Elmore is rated as a Distinguished provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Arterial Insufficiency, Stent Placement, and Aneurysm Repair.
Geisinger Medical Center - Vascular Surgery
Dr. Garvin is a board-certified and fellowship-trained vascular surgeon. His clinical and research interests include carotid artery disease, aortic aneurysmal disease and peripheral artery disease. He has extensive experience with carotid stenting, carotid surgery, aortic stenting and aortic surgery, and stenting and surgery of arteries in the lower extremities. He also provides vascular access for dialysis patients. Dr. Garvin earned his medical degree from Temple University. He completed his residency at Western Pennsylvania Hospital, and a fellowship in vascular surgery at the Milton S. Hershey Medical Center. Dr. Garvin is certified by the American Board of Surgery in surgery and vascular surgery. Dr. Garvin is rated as a Distinguished provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Carotid Artery Surgery.
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
- Abdominal Aortic Aneurysm (AAA)Dr. Chang isDistinguished. Learn about Abdominal Aortic Aneurysm (AAA).
- GangreneDr. Chang isDistinguished. Learn about Gangrene.
- Thoracic Aortic AneurysmDr. Chang isDistinguished. Learn about Thoracic Aortic Aneurysm.
- Advanced
- Aortic DissectionDr. Chang isAdvanced. Learn about Aortic Dissection.
- Arterial EmbolismDr. Chang isAdvanced. Learn about Arterial Embolism.
- Arterial InsufficiencyDr. Chang isAdvanced. Learn about Arterial Insufficiency.
- Carotid Artery DiseaseDr. Chang isAdvanced. Learn about Carotid Artery Disease.
- Mesenteric Artery IschemiaDr. Chang isAdvanced. Learn about Mesenteric Artery Ischemia.
- Peptic UlcerDr. Chang isAdvanced. Learn about Peptic Ulcer.
- Experienced
- Carotid Artery SurgeryDr. Chang isExperienced. Learn about Carotid Artery Surgery.
- CellulitisDr. Chang isExperienced. Learn about Cellulitis.
- Cystic Medial Necrosis of AortaDr. Chang isExperienced. Learn about Cystic Medial Necrosis of Aorta.
- End-Stage Renal Disease (ESRD)Dr. Chang isExperienced. Learn about End-Stage Renal Disease (ESRD).
- EndoscopyDr. Chang isExperienced. Learn about Endoscopy.
- Idiopathic EdemaDr. Chang isExperienced. Learn about Idiopathic Edema.



