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 Peripheral Artery Disease. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Stent Placement.

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 Peripheral Artery Disease. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Arterial Insufficiency, Stent Placement, and Aneurysm Repair.

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 Peripheral Artery Disease. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Carotid Artery Surgery.

Gregory G. Salzler, MD, is a board-certified vascular surgeon. He provides care for women and men who need a wide range of vascular procedures, including treatment for blood clots, deep vein thrombosis (DVT), renal artery disease, stroke, vascular disease, carotid artery disease, peripheral arterial disease (PAD), thoracic aneurysms, abdominal aortic aneurysms, venous disease and varicose veins.|Dr. Salzler has a clinical interest in all aspects of vascular and endovascular surgery, including limb salvage, dialysis access and minimally invasive endovascular techniques.|Board-certified in general surgery and vascular surgery, Dr. Salzler earned his medical degree from Georgetown University in Washington D.C. He completed a general surgery residency at New York-Presbyterian Hospital/Weill Cornell Medical Center. He then completed a fellowship in vascular surgery at the University of Pittsburgh Medical Center.|Dr. Salzler is an active member of several organizations, including the American College of Surgeons, Delaware Valley Vascular Society, Eastern Vascular Society and Vascular and Endovascular Surgery Society. He is a Fellow of the Society for Vascular Surgery and serves as an associate professor of surgery at the Geisinger Commonwealth School of Medicine. Dr. Salzler is rated as a Distinguished provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Stent Placement.

Dr. DuBartell is a board-certified physician specializing in family medicine. His clinical interests include heart failure, diabetes, chronic obstructive pulmonary disease, behavioral health and pediatric and adolescent care. Dr. DuBartell attended the State University of New York, Buffalo, where he received his medical degree, and completed his residency at Middlesex Hospital, Middletown. He is certified by the American Board of Family Medicine in family medicine. Dr. Dubartell is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Osteoarthritis, Breast Cancer, and Maturity Onset Diabetes of the Young.

Dr. Meloy is a residency-trained physician specializing in internal medicine. He earned his medical degree at the University of Pittsburgh School of Medicine before completing his residency at Geisinger Medical Center. He has been practicing internal medicine in his outpatient practice in Bloomsburg for more than 15 years. Dr. Meloy is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Maturity Onset Diabetes of the Young, Hypothyroidism, Type 2 Diabetes (T2D), and Obesity in Children.

Jeremy Irvan, MD, is a board-certified and fellowship-trained vascular surgeon. He treats adults with peripheral artery disease, carotid artery disease, aortic aneurysmal disease and varicose veins. He also assists with maintenance of arterial venous fistula.|Dr. Irvan earned his medical degree from The University of Arkansas in Fayetteville. After medical school, he completed a residency at The University of Oklahoma College of Medicine in Oklahoma City. He followed that with a fellowship in vascular surgery at Geisinger Medical Center in Danville.|“I never expected to become a vascular surgeon,” he says. “I always thought I would be a family medicine doctor. It’s all I was exposed to growing up. However, when I completed my rotation in vascular surgery, I knew this was the path for me.”|Originally from rural southwest Arkansas, he came to Geisinger after matching into a vascular surgery fellowship. “I was so impressed with the department of vascular surgery and the beauty of central Pennsylvania,” he says. “When the opportunity to work at Geisinger Medical Center arose, I accepted.”|He adds, “I love my team here at Geisinger. We have a dynamic, talented, motivated group of vascular surgeons, vascular surgical fellows and residents, nurse practitioners, physician assistants, vascular lab technologists, nursing staff and medical students. We all love treating our patients and seeing them achieve better health.”|In his spare time, he enjoys golf, cycling and lifting weights. Dr. Irvan is rated as an Advanced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Arterial Insufficiency, Peripheral Artery Disease, Mesenteric Artery Ischemia, and End-Stage Renal Disease (ESRD).

Anthony J. Lewis, MD, is a fellowship-trained vascular surgeon who provides the full spectrum of vascular surgical care, including minimally invasive and endovascular procedures, in addition to traditional open surgery when needed. His clinical interests include treatment of aortic diseases such as aneurysms or dissections, carotid artery endarterectomy/stenting, peripheral arterial bypass surgery, endovascular angioplasty and stenting procedures, vascular trauma, renal and mesenteric artery stenting, hemodialysis access, and minimally invasive treatment of venous conditions such as blood clots (DVT) and varicose veins.|Dr. Lewis earned his medical degree at the University of Texas Medical Branch, followed by residency training in general surgery at the University of Pittsburgh, where he was administrative chief resident in his final year. He completed a three-year research fellowship during residency, which culminated in a master’s degree in clinical research from the University of Pittsburgh. He did his clinical fellowship training in vascular surgery at the University of Pittsburgh Medical Center. Dr. Lewis is rated as an Advanced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Peripheral Artery Disease, Carotid Artery Disease, Arterial Insufficiency, and Arterial Embolism.

As an interventional cardiologist, Dr. Shikhar Agarwal specializes in treating valvular and structural heart disease in adults.|Dr. Agarwal earned his medical degree from the All India Institute of Medical Sciences in India and completed his residency at the Cleveland Clinic. He also completed fellowships in cardiovascular disease, interventional cardiology and structural intervention at the Cleveland Clinic.|He is experienced in performing a variety of cardiac procedures, including transcatheter aortic valve replacement (TAVR) and mitral valve repair (Mitraclip), as well as the implantation of Watchman devices for the treatment of atrial fibrillation.|Dr. Agarwal currently leads the structural heart disease program at Geisinger Medical Center in Danville. Under his leadership, he has grown the program and improved outcomes for those under his care. He helped lead the construction of a state-of-the-art hybrid operating room, one of the largest of its kind in the country.|Dr. Agarwal has been honored for early-career success by being recognized among the Pennsylvania Medical Society’s (PAMED) Top Physicians Under 40. His dedication to protecting the hearts of everyone he treats led his colleagues to nominate him for this prestigious award.|In addition to performing a variety of complex cardiac procedures, Dr. Agarwal is dedicated to expanding cardiac care to people in rural areas of Pennsylvania. Dr. Agarwal is rated as an Advanced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Aortic Valve Stenosis, Patent Foramen Ovale, Atrial Fibrillation, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Dr. Sundaresan is a board-certified physician specializing in pediatrics and internal medicine. Her clinical interests include preventive care and chronic disease management. Dr. Sundaresan attended Christian Medical College, Vellore, where she earned her degree in medicine. She completed her residency at Geisinger Medical Center. She is certified by the American Board of Pediatrics and by the American Board of Internal Medicine. Dr. Sundaresan is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. Her top areas of expertise are Sinusitis, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Relapsing Multiple Sclerosis (RMS).

Dr. Dinko is a board-certified physician specializing in family medicine. He attended The Commonwealth Medical College, where he received his medical degree, and completed his residency at Washington Hospital. Dr. Dinko is certified by the American Board of Family Medicine.|Outside of work, Dr. Dinko enjoys sports. He also likes spending time outdoors, particularly hiking. Dr. Dinko is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Nephrosclerosis, and Renovascular Hypertension.

Neal Cooper is a Vascular Surgeon in Danville, Pennsylvania. Dr. Cooper is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Peripheral Artery Disease, Arterial Insufficiency, Carotid Artery Disease, Arterial Embolism, and Aneurysm Repair. Dr. Cooper is currently accepting new patients.

Dr. Ashton is a board-certified physician specializing in family medicine. His clinical interests include preventive care and performance improvement. Dr. Ashton obtained his medical degree from the University of Pittsburgh. He completed his residency at Thomas Jefferson University Hospital. He is certified by the American Board of Family Medicine. Dr. Ashton is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are HIV/AIDS, Maturity Onset Diabetes of the Young, Myelitis, and AIDS Dysmorphic Syndrome.

Dr. Lewis is a board-certified physician specializing in internal medicine and pediatrics. His clinical interests include immunology, infectious diseases and Alzheimer’s disease. Dr. Lewis obtained his medical degree from the Philadelphia College of Osteopathic Medicine. He completed his residency at Geisinger Medical Center. He is certified by the American Board of Internal Medicine and the American Board of Pediatrics. Dr. Lewis is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Maturity Onset Diabetes of the Young, Enlarged Prostate (BPH), Type 2 Diabetes (T2D), and End-Stage Renal Disease (ESRD).

Dr. Cover is a board-certified internal medicine physician. He attended The Pennsylvania State University College of Medicine, where he earned his medical degree. He completed his residency at the University of Pittsburgh Medical Center - Mercy Hospital of Pittsburgh. Dr. Cover is certified by the American Board of Internal Medicine. Dr. Cover is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Decerebrate Posture, Decorticate Posture, Acute Febrile Neutrophilic Dermatosis, and Anemia.

Conor Mulcahy, DO, is an internal medicine physician. He cares for adults with a range of chronic and acute conditions. “I enjoy being a ‘Jack of all trades’ but have a particular interest in optimizing lifestyle to help patients live healthier lives,” he says.|Dr. Mulcahy earned his medical degree from Lake Erie College of Osteopathic Medicine in Erie. After medical school, he completed a residency at Geisinger Medical Center, where he was resident of the year.|“I love the longitudinal relationships I get to have with patients,” he notes. “I also have a passion for teaching.”|In his spare time, Dr. Mulcahy enjoys ultimate Frisbee and hiking. Dr. Mulcahy is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Obesity, High Cholesterol, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

David Rolston, MD, is chair of the Department of Medicine Specialties for the Medicine Institute and director of the Division of General Internal Medicine at Geisinger Medical Center in Danville.|Dr. Rolston received his medical training and degree at the Christian Medical College, Vellore, University of Madras, India. He completed his residency at Hahnemann University Hospital in Philadelphia, and was chief medical resident at Hahnemann and at Crozer Chester Medical Center in Pennsylvania. He was elected to the Alpha Omega Alpha Honor Medical Society. After his residency, he was an attending physician and codirector of the internal medicine residency program at Graduate Hospital in Philadelphia. Dr. Rolston then became a staff physician at the Cleveland Clinic, Cleveland, Ohio, where he served as director of the Internal Medicine A91 Clinic, associate program director of the residency program in internal medicine, director of the physical diagnosis curriculum at the Cleveland Clinic Lerner College of Medicine and deputy editor of the Cleveland Clinic Journal of Medicine. He served as treasurer/secretary of the Ohio branch of the American College of Physicians. At Geisinger, he serves on several institutional committees and is part of the governing body for MyCode®.|Dr. Rolston is an editor and reviewer for national and international scientific journals and has published more than 150 manuscripts, abstracts and book chapters. He was the recipient of the prestigious Wellcome Trust Fellowship and has received numerous awards for research and teaching. He has been selected for Best Doctors in America.|Dr. Rolston’s areas of clinical interest include taking care of patients with complex medical problems. His research interests include intestinal water and electrolyte transport, intestinal-related infectious diseases and clinical and basic research as it relates to obesity. Dr. Rolston is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Spinal Muscular Atrophy (SMA), Spinal Muscular Atrophy Type 3, and Gastric Bypass.

Greg Burke, MD, is an internal medicine physician. He helps adults manage multiple complex conditions. And he provides preventive care. Dr. Burke has a special interest in the comprehensive care of older adults.|He attended Jefferson Medical College. He followed that with an internship at Thomas Jefferson University Hospital in Philadelphia.|Dr. Burke was inspired to become a provider “to have the opportunity to help others in the relief of suffering.”|He adds, “I enjoy developing long-term relationships with my patients and sharing the work with wonderful colleagues.”|A native of northeastern Pennsylvania, Dr. Burke is the proud father of 4 daughters. Dr. Burke is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Decorticate Posture, Decerebrate Posture, Hypertension, and Familial Hypertension.

Thomas Morland, MD, is a board-certified physician specializing in internal medicine. Dr. Morland has a special interest in preventing chronic illness through lifestyle changes.|“I enjoy working with patients on intensive prevention and placing lifestyle first,” he says. “I find that by incorporating whole foods into their diets, getting more exercise, improving sleep and managing stress, patients can stabilize or even reverse chronic medical conditions and decrease their reliance on medications.”|Dr. Morland attended Yale University, where he received his medical degree, and completed his residency at the Hospital of the University of Pennsylvania. Dr. Morland is certified by the American Board of Internal Medicine and the American College of Lifestyle Medicine.|“The best part of my job is seeing a patient exceed expectations,” he says. “It's great to provide the ‘standard of care,’ but when a patient takes their health into their own hands and collaborates with their healthcare team, we can see patients achieve things they never thought possible.”|Dr. Morland enjoys spending time with his wife and three children, playing the string bass and piano, hiking, playing soccer and swimming. His family has an organic garden in their backyard where “we try to put our own advice into practice,” he says. Dr. Morland is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Pulmonary Embolism, Shwartzman Phenomenon, and Coronary Artery Bypass Graft (CABG).

Ann Zumbo is a primary care provider, practicing in Internal Medicine in Bloomsburg, Pennsylvania. Dr. Zumbo is rated as an Experienced provider by MediFind in the treatment of Peripheral Artery Disease. Her top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Hypothyroidism, and Factor V Leiden Thrombophilia.