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 an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Arterial Insufficiency, Stent Placement, and Aneurysm Repair.

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 an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Stent Placement.

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 rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Obesity, Hiatal Hernia, Hernia, Gastric Bypass, and Endoscopy.

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 Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Arterial Insufficiency, Peripheral Artery Disease, Mesenteric Artery Ischemia, and End-Stage Renal Disease (ESRD).

Dr. Oren specializes in cardiac electrophysiology, cardiac ablations and cardiac device implantation. His clinical interests include electrophysiology. Dr. Oren attended the University of Pittsburgh, where he received his medical degree, and completed his residency at the University of Pittsburgh Medical Center. He completed his fellowship in cardiology at Geisinger Medical Center and his fellowship in electrophysiology at the University of Oklahoma Health Sciences Center. He is certified by the American Board of Internal Medicine in internal medicine, cardiovascular disease, and clinical cardiac electrophysiology. Dr. Oren is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Familial Progressive Cardiac Conduction Defect, Arrhythmias, Sick Sinus Syndrome, Pacemaker Implantation, and Cardiac Ablation.

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 an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Carotid Artery Surgery.

Dr. Long is a board-certified and fellowship-trained colorectal surgeon. He obtained his medical degree from Virginia Commonwealth University and completed his residency at the same institute. Dr. Long completed his fellowship in colon and rectal surgery at Swedish Colon and Rectal Clinic. He is certified by the American Board of Colon and Rectal Surgery and the American Board of Surgery. Dr. Long is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Crohn's Disease, Ileostomy, and Hernia Surgery.

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 Thrombophlebitis. His top areas of expertise are Hiatal Hernia, Hernia, Obesity, Gastric Bypass, and Endoscopy.

As director of colorectal surgery, Chris Buzas, DO, specializes in treating patients with colon, rectal and anal cancers as well as inflammatory bowel disease (including Crohn’s disease and ulcerative colitis). He also provides care for people with diverticulitis, various rectal conditions, hemorrhoids and pelvic floor disorders.|He has clinical expertise in complex re-operative colorectal surgeries as well as robotic, laparoscopic and open procedures. His advanced training includes trans-anal excisions, neurostimulation for fecal incontinence and colonoscopies.|Dr. Buzas is passionate about making a difference in his patients’ lives. “The thing I love most about my job is the ability to work alongside a great team dedicated to solving problems,” he says. “I enjoy seeing our patients out in the community, knowing we were able to help improve their quality of life.”|Dr. Buzas has a strong commitment to giving back to his community and improving access to care. He previously served as president of the Keystone Chapter of the American College of Surgeons as well as on the Board of Trustees for the Pennsylvania Medical Society. Dr. Buzas has also helped standardize rectal cancer care throughout the country as part of the National Accreditation Program for Rectal Cancer.|Dr. Buzas received the Teacher of the Year Award from the surgical residents at Geisinger Medical Center. He was also recognized by the Pennsylvania Medical Society as one of their Top Physicians Under 40.|When not at work, Dr. Buzas enjoys spending time with his wife and three children at their lakeside cabin in northern Pennsylvania.|Video: more from Dr. Christopher Buzas, D.O. Dr. Buzas is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Hernia Surgery, and Colostomy.

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 an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Stent Placement.

Dr. Widom is a board-certified and fellowship-trained general surgeon subspecializing in trauma. His clinical interests include acute care surgery and emergency general surgery. Dr. Widom attended the University of Maryland, where he received his medical degree, and completed his residency at Robert Wood Johnson University Hospital. He completed his fellowship in surgical critical care at the University of Maryland. Dr. Widom is certified by the American Board of Surgery in surgical critical care. Dr. Widom is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Chronic Subdural Hematoma, Subdural Hematoma, Delirium, Small Bowel Resection, and Hernia Surgery.

Matthew Factor is a General Surgeon in Danville, Pennsylvania. Dr. Factor is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Chronic Subdural Hematoma, Subdural Hematoma, Delirium, Hip Replacement, and Gastrostomy.

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 Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Peripheral Artery Disease, Carotid Artery Disease, Arterial Insufficiency, and Arterial Embolism.

Video: more from Dr. David Ferrone, M.D. Dr. Ferrone is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Hydrocephalus, Movement Disorders, Parkinson's Disease, Hereditary Spastic Paraparesis, and Deep Brain Stimulation.

Dr. Yost is a board-certified and fellowship-trained interventional cardiologist. His clinical interests include interventional cardiology. He attended the Philadelphia College of Osteopathic Medicine, where he earned his medical degree. Dr. Yost completed his residency and his fellowship in cardiovascular disease at Geisinger Medical Center. He is certified by the American Board of Internal Medicine in cardiovascular disease and interventional cardiology. Dr. Yost is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Heart Attack, Angina, Apoplexy, Coronary Artery Bypass Graft (CABG), and Aortic Valve Replacement.

Dr. Goren specializes in cerebrovascular and endovascular neurosurgery. His clinical interests include stroke and its surgical treatment, the treatment of idiopathic intracranial hypertension, treatment of brain aneurysms, arteriovenous malformations and fistulas, cavernous malformations, moyamoya disease, carotid stenosis, trigeminal neuralgia and hemifacial spasm. He earned his medical degree from Semmelweis University, completed his residency at the Sheba Medical Center in Israel and completed his fellowship in cerebrovascular and endovascular neurosurgery at the Swedish Neuroscience Institute in Seattle. He is an associate program director for the Geisinger neurosurgical residency program and a clinical assistant professor at the Geisinger Commonwealth School of Medicine. Dr. Goren speaks English and Hebrew. Dr. Goren is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Stroke, Brain Aneurysm, Subarachnoid Hemorrhage, Thrombectomy, and Stent Placement.

Dr. Foernges is a board-certified and fellowship-trained specialist in trauma critical care. His clinical interests include trauma surgery, gastrointestinal surgery and necrotizing soft tissue infection. Dr. Foernges graduated from Universidade Federal de Ciências da Saúde de Porto Alegre Faculdade de Medicina in Brazil, where he earned his medical degree. He completed his residency at Geisinger Medical Center, and his fellowship at MedStar Washington Hospital Center. Dr. Foernges is certified by the American Board of Surgery in surgical critical care. He speaks English, Portuguese and Spanish. Dr. Foernges is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Chronic Subdural Hematoma, Subdural Hematoma, Delirium, Hernia Surgery, and Hip Replacement.

Dr. Conger specializes in skull base surgery, and subspecializes in vestibular schwannomas, pituitary tumors and skull base tumors. He earned his medical degree and completed his residency at Louisiana State University Health Sciences Center New Orleans. Dr. Conger is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Pituitary Tumor, Delirium, Meningioma, Endoscopic Transnasal Transsphenoidal Surgery, and Awake Craniotomy.

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 Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Aortic Valve Stenosis, Patent Foramen Ovale, Atrial Fibrillation, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Mark Lentz, MD, is an internal medicine physician who provides comprehensive care for adults. He’s passionate about supporting his patients’ long-term health and well-being through preventive care, chronic illness management and timely treatment of new or acute conditions — large or small.|With decades of experience, Dr. Lentz has developed deep clinical expertise in managing a wide range of adult health concerns, particularly chronic conditions such as arthritis, diabetes and heart disease. He also has a special interest in helping patients manage restless legs syndrome.|Originally from Indiana, Pennsylvania, Dr. Lentz earned his medical degree from Thomas Jefferson University and completed his residency at Allegheny General Hospital. He is a Fellow of the American College of Physicians, a recognition of his dedication to delivering the highest standard of care.|Dr. Lentz is known for his thoughtful, patient-first approach and his genuine desire to make a meaningful difference in the lives of those he serves. Dr. Lentz is rated as an Experienced provider by MediFind in the treatment of Thrombophlebitis. His top areas of expertise are Anaplastic Thyroid Cancer, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Glutaric Acidemia Type 2.