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Our Vascular Surgeons and Specialists

Dr. Michel S. Makaroun

Michel S. Makaroun, MD
Professor and Chair, Division of Vascular Surgery
University of Pittsburgh School of Medicine
Co-Director, UPMC Heart and Vascular Institute

Dr. Michel Makaroun received his medical degree from the American University of Beirut, where he also completed a surgical internship and residency program, before coming to the University of Pittsburgh for a fellowship in vascular surgery.

Dr. Makaroun is certified by the American Board of Surgery in surgery, with a certificate of special qualification in vascular surgery, and has a primary interest in the endovascular and surgical repair of abdominal aortic aneurysms.

He has served as the president of the Society for Clinical Vascular Surgery, the Eastern Vascular Society, and the Association of Program Directors in Vascular Surgery.

Dr. Makaroun is extensively published, presenting his research at conferences around the world. Dr. Makaroun has been with the University of Pittsburgh School of Medicine and UPMC for over 30 years.

Dr. Georges Al-Khoury

Georges Al-Khoury, MD
Assistant professor of surgery

Dr. Georges Al-Khoury received his medical degree from Lebanese University in Lebanon and completed his general surgery residency at SUNY Downstate Medical Center. He then completed a fellowship in vascular surgery at UPMC. 

Dr. Al-Khoury joined UPMC in 2009 and is board-certified in general and vascular surgery. His clinical practice includes open surgical and endovascular (minimally invasive) treatment of aneurysms, carotid disease, peripheral vascular disease, dialysis access, and venous disease. 

Dr. Efthimios Avgerinos

Efthymios Avgerinos, MD
Assistant professor of surgery

Dr. Efthymios Avgerinos is certified by the European Board of Vascular Surgery in surgery and vascular surgery, and is a member of the American Society for Vascular Surgery. Dr. Avgerinos completed his vascular surgery residency at the University of Athens in Greece, while he had clinical fellowships in London, UK and Frankfurt, Germany.

He has published numerous academic articles in vascular and endovascular surgery and his work has been recognized with several national and international awards. Dr. Avgerinos’ surgical interests are in peripheral vascular disease, aortic aneurysms, venous diseases, and vascular access.

Dr. Rabih Chaer

Rabih Chaer, MD
Professor of surgery

Dr. Rabih Chaer, a board-certified vascular surgeon, completed his surgical training at the University of Illinois in Chicago. Dr. Chaer completed his vascular training at the New York Presbyterian Hospital of Columbia and Cornell, and joined UPMC in 2006. An internationally invited lecturer, Dr. Chaer specializes in surgery and vascular disease, and more specifically, aneurysms, carotid dissection, atherectomies, deep vein thromboses, and limb preservation.

 

Arthur J. DeMarsico, DO
Clinical assistant professor of surgery

Dr.  Arthur DeMarsico  joined UPMC in 2013 as a clinical assistant professor of surgery. He earned his degree in osteopathic medicine from the Philadelphia College of Osteopathic Medicine and subsequently completed his fellowship in vascular and endovascular surgery at the Philadelphia College of Osteopathic Medicine in 2001. 

Dr. DeMarscio has been the Director of Vascular Services at UPMC Altoona Hospital since 2001 and the Medical Director of the Vascular Institute at that facility since 2005. 

He specializes in surgery and vascular disease with clinical interests in aneurysms, carotid dissection, atherectomies, deep vein thrombosis, acute limb ischemia, lower extremity arterial occlusive disease, and endovascular approaches to aortic pathology and peripheral vascular disease.

Mohammed Eslami, MD

Mohammed Eslami, MD, FACS, FACC
Professor of surgery

Dr. Mohammad Eslami joined UPMC in April 2016 as a professor of surgery. He earned his medical degree from Harvard Medical School and completed his internship and residency in general surgery at University of Chicago. Dr. Eslami completed a research fellowship in thoracic surgery, followed by continued general surgery residency training and a research fellowship in vascular surgery at Brigham and Women’s Hospital in Boston, MA. He completed his fellowship in vascular surgery at the State University of New York before becoming an attending surgeon at Temple University Medical School Hospitals, Philadelphia, PA.   Following his time at Temple University, Dr. Eslami worked at the University of Massachusetts Medical School Hospitals for seven years and in 2011 joined Boston Medical Center as an associate professor and subsequent program director of their Vascular Surgery Fellowship program.

Dr. Eslami is board-certified in general and vascular surgery. He has authored numerous peer-reviewed publications in vascular and endovascular surgery. His clinical practice includes open surgical and endovascular (minimally invasive) treatment of aneurysms, carotid disease, peripheral vascular disease, and dialysis access.

Dr. Eric Hager

Eric Hager, MD
Assistant professor of surgery

Dr. Eric Hager earned his medical degree from Jefferson Medical College in Philadelphia, then completed a residency at Thomas Jefferson University Hospital. He completed a vascular surgery fellowship at UPMC and joined the division of Vascular Surgery in 2012.

Dr. Hager has won various teaching awards through his training, and is a member of Alpha Omega Alpha, the medical honor society. He is board-certified in general and vascular surgery, and specializes in treatment of venous disease.

His clinical practice includes open surgical and endovascular (minimally invasive) treatment of aneurysms, carotid disease, peripheral vascular disease, and dialysis access.

Dr. Steven A. Leers

Steven A. Leers, MD
Associate professor of surgery

Dr. Steven Leers earned his medical degree from the University of Massachusetts in 1978. He completed his surgical training and vascular surgery fellowship at the University of Massachusetts Medical School, followed by endovascular training at the Cleveland Clinic.

Dr. Leers came to UPMC in 2006, and is currently medical director of the UPMC Vascular Laboratories. Along with full service aortic, carotid, endovascular and open vascular surgery, his particular interest and expertise is in the areas of non-invasive vascular testing, lower extremity revascularization, and dialysis access surgery. He is board-certified in vascular surgery.

Ryan McEnaney, MD

Ryan McEnaney, MD
Assistant professor of surgery

 

Dr. Ryan McEnaney received his medical degree from the Saint Louis University School of Medicine and completed his residency at UPMC, where he served as administrative chief resident in vascular surgery. He is board certified in vascular surgery.

Dr. McEnaney's surgical interests include peripheral vascular disease, aortic aneurysms, venous diseases, and vascular access. His scientific research focuses on the molecular biology and biochemistry of vascular adaptation to occlusive disease.

Dr. Madhusudanan Nair

Madhusudanan Nair, MD
Clinical assistant professor of surgery

Dr. Madhusudanan Nair earned his medical degree from Grant Medical College in India. He completed his surgical residency and vascular fellowship at St. Francis Medical Center in Pittsburgh.

Dr. Nair joined UPMC's division of vascular surgery in 2007. Dr. Nair has been president of the medical staff at St. Francis and UPMC McKeesport, and he is board-certified in surgery.

Richard E. Redlinger, MD
Clinical assistant professor of surgery

Dr. Richard E. Redlinger, Jr. joined UPMC in 2016. He earned his medical degree from Drexel University College of Medicine and subsequently completed his internship and residency in general surgery and fellowship in vascular surgery at Eastern Virginia Medical School.

Dr. Redlinger is board-certified in general and vascular surgery. He has authored numerous peer-reviewed publications in vascular and endovascular surgery. His clinical practice includes open surgical and endovascular (minimally invasive) treatment of aneurysms, carotid disease, peripheral vascular disease, and dialysis access.


Dr. Walter Rizzoni

Walter E. Rizzoni, MD, FACS
Assistant professor of surgery

Dr. Walter E. Rizzoni, has been with UPMC Hamot since 2007 and is Chief, Division of Cardiovascular & Thoracic Surgery. His practice encompasses open vascular and endovascular surgery, as well as adult cardiac and thoracic surgery.

He earned his medical degree from Boston University School of Medicine and trained in general surgery at Boston University Hospitals and at Loma Linda University Hospital. He has completed fellowships in surgical oncology at the National Cancer Institute, in vascular surgery at the Carolinas Medical Center, and in cardiothoracic surgery also at the Carolinas Medical Center. He holds board certification in both vascular surgery and in cardiothoracic surgery.

Dr. Ulka Sachdev

 

Ulka Sachdev, MD
Associate professor of surgery

Dr. Ulka Sachdev obtained a medical degree at Mt. Sinai University and completed her residency and vascular surgery fellowship at the medical center there. She is board-certified in general and vascular surgery.

Dr. Sachdev was a past recipient of the Wylie Scholar Award from the Foundation for Accelerated Vascular Research and Vascular Cures and also received a grant from the NIH to conduct research in vascular disease treatments. She joined UPMC in 2006, and specializes in the treatment of venous disease.

Dr. Ulka Sachdev

Richard A. Sheppeck, MD
Clinical assistant professor of surgery

Dr. Sheppeck has been with UPMC Hamot since 2010 and joined UPP Vascular Surgery group in 2013 as a clinical assistant professor of surgery. He earned his medical degree from the University of Pittsburgh and subsequently completed his internship and residency in general surgery at the University of Pittsburgh School of Medicine. He then completed his fellowship in vascular surgery at the New England Deaconess Hospital in Boston, Massachusetts. Dr. Sheppeck is board-certified in general and vascular surgery.

He is currently chief of Vascular Surgery at UPMC Hamot. He specializes in surgery and vascular disease with clinical interests in aneurysms, acute limb ischemia, lower extremity arterial occlusive disease, and endovascular approaches to aortic pathology and peripheral vascular disease.

Dr. Michael J. Singh

Michael J. Singh, MD
Associate professor of surgery

Dr. Michael Singh, who joined UPMC in 2012, completed his medical degree and a general surgery residency at the SUNY at Buffalo. He completed a vascular surgery fellowship at the University of Massachusetts Medical Center. Dr. Singh is a fellow in the American College of Surgeons, and a certified registered physician in vascular interpretation. He is board-certified in general and vascular surgery. He is the co-director of the UPMC Heart and Vascular Institute Aortic Center and chief of vascular surgery at UPMC Shadyside

He has received patient care and teaching awards throughout his career, and authored numerous peer reviewed publications. He was selected one of Pittsburgh’s Best Doctors in 2016. Dr. Singh oversees several clinical trials, and many of those research projects focus on the treatment of complex aortic and iliac artery aneurysms, peripheral arterial disease and the treatment of chronic venous insufficiency. His areas of clinical expertise include the management of complex aortic aneurysms, aortic dissections, thoracic aortic aneurysms, venous insufficiency, thoracic outlet syndrome, arterial venous malformations, congenital venous anomalies and peripheral arterial occlusive disease.

Dr. Bryan Tillman

Bryan W. Tillman, MD, PhD, RPVI, FACS
Assistant professor of surgery

Dr. Bryan W. Tillman completed General Surgery residency at the Ohio State University, a postdoctoral research fellowship at the Wake Forest Institute for Regenerative Medicine and a clinical fellowship in vascular surgery, also at Wake Forest, before joining the Division of Vascular Surgery in 2009.  He is board certified in both general and vascular surgery

Dr. Tillman is a past recipient of the Wylie Scholar Award and the American Surgical Association Award.  He supervises a Department of Defense funded research program developing a novel removable stent for the treatment of life threatening bleeding.  His laboratory has also pioneered development of a stent to improve recovery of donor organs for transplant.

His clinical practice includes open surgical and endovascular (minimally invasive) treatment of aortic aneurysms, carotid disease, renal and mesenteric disease and peripheral vascular disease.

 Dr. Edith Tzeng

Edith Tzeng, MD
Professor of surgery

Dr. Edith Tzeng earned her medical degree from the University of Chicago. At the University of Pittsburgh School of Medicine, Dr. Tzeng completed her internship, residency, research fellowship, and clinical fellowship.

She joined UPMC in 2001 and in 2003, was named Chief of Vascular Surgery at the Veterans Administration Medical Center in Pittsburgh. Dr. Tzeng is a proficient researcher and has published several articles in professional journals.

She is board certified in general and vascular surgery, and her clinical practice includes open surgical and endovascular (minimally invasive) treatment of aneurysms, carotid disease, peripheral vascular disease, and dialysis access.

Dr. Theodore Yuo

Theodore H. Yuo, MD, MSc
Assistant professor of surgery

Dr. Theodore H. Yuo joined UPMC in 2014 as an assistant professor of surgery. He received his medical degree from Dartmouth Medical School and completed vascular surgery residency at UPMC.

Dr. Yuo is board certified in vascular surgery. He has authored multiple peer-reviewed publications in vascular and endovascular surgery. His research and clinical interests include the management of peripheral vascular disease and dialysis access.

Our Practitioners 

Julie Bitner, PA-C

Julie Bitner, PA-C

Julie Bitner earned an undergraduate degree in neuroscience from Allegheny College in 2004, followed by a master of physician assistant degree from Duquesne University in 2007. 
 
Ms. Bitner worked as a physician assistant for neurosurgery at UPMC Passavant from 2007 to 2011.  She started her present role as a physician assistant for vascular surgery in 2011. She became a physician assistant, senior in 2015 after completing a venous ulcer project.  She is a member of the American Academy of Physician Assistants and Pennsylvania Society of Physician Assistants


Her clinical interests include varicose veins, venous ulcers, sclerotherapy, and dialysis access. 

Carolyn Dunlap, RN, MSN, CRNP

Carolyn Dunlap, RN, MSN, CRNP

Carol Dunlap has been with the vascular surgery department for about 13 years.  She has a special interest in wound healing, based on her extensive experience as a practicing wound nurse.

She received her undergraduate degree from Carlow University and her Masters of Science in nursing from the University of Pittsburgh as a family nurse practitioner.

Ms. Dunlap published an article in the Diabetic Forecast on amputation.​


Megan Laughlin, CNRP

Megan Laughlin, CRNP

Megan Laughlin, a certified registered nurse practitioner at UPMC Shadyside, graduated from the University of Pittsburgh nursing program with her Bachelor's degree in nursing. She earned her master's degree in nursing from the Uniformed Services University of Health Sciences, where she graduated first in her class.

Ms. Laughlin has experience in medical surgery, same-day surgery, pediatrics, primary care, and vascular surgery.

Her clinical interests include varicose veins, venous disease, sclerotherapy, aortic disease, and dialysis access.

She is a member of the American Academy of Nurse Practitioners and is a certified family nurse practitioner.

Carol Madia, PA-C

Carol Madia graduated from Gannon University, and practiced as a physician assistant before she joined the vascular surgery group at UPMC.

Along with working in the operating room, Ms. Madia sees and consults patients in several offices and performs cosmetic spider vein injections in the office.

She has published research on surgical management of peripheral arterial disease and is completed  her master's degree through St. Francis University.  Ms. Madia also gives clinical lectures for the University of Pittsburgh physician assistant program.​

Barbara McCoy, CNRP

Barbara McCoy received her  undergraduate degree in nursing from the University of Pittsburgh as well as a graduate degree in nursing education  with a specialty in pulmonary care.

She has been a clinical manager in the surgical intensive care unit, an administrator for infection control, and a nurse coordinator for the trauma program

Her certification as a family nurse practitioner is also from the University of Pittsburgh.  A  member of the American Academy of Nurse Practitioners, she has been with the vascular surgery division for over 10 years.

Annette Muller, MSN, CRNP

Annette Muller received her undergraduate degree in Health Science-Community Health Education from California State University San Jose and a graduate degree in nursing from Western University of Health Sciences in Pomona, CA with a specialty in ambulatory care. She then completed her post-masters certificate as a family nurse practitioner at Carlow University in Pittsburgh, PA.
In addition to her public health experiences overseas and stateside, she worked as a staff nurse in UPMC Shadyside in the orthopedic/oncology/vascular care units. She was also an adjunct faculty member of the Carlow University School of Nursing. Annette is a member of the American Academy of Nurse Practitioners and the Pennsylvania Coalition of Nurse Practitioners.
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Christine A. Pellegrini, MSN, CRNP

Christine Pellegrini earned a diploma in nursing from Cambrian College of Applied Arts and Technology in Sudbury, Ontario, a bachelor’s degree in nursing from the University of Wisconsin, and a master’s degree in nursing with a specialty in adult geriatric health from the University of Cincinnati.

Ms. Pellegrini worked as an admitting nurse at UPMC St. Margaret for four years prior to her current role as a certified nurse practitioner for vascular surgery. She has experience in neuro-oncology, radiation oncology, spinal health, skilled nursing, and critical care. ​

Dawn D. Roberson, CRNP

Dawn Roberson is a certified registered nurse practitioner at UPMC St. Margaret. She earned an undergraduate degree in nursing from Bradley University in Peoria, Il. and a master’s degree in nursing with a specialty in women’s health from the University of Illinois at Chicago, and is currently pursuing a post-master’s Adult Gerontology Acute Care Nurse Practitioner.

Ms. Roberson has experience as a women's health nurse practitioner and as a staff nurse in labor and delivery, maternal care, and orthopedics. She is a member of the American Association of Nurse Practitioners and the National Association of Nurse Practitioners in Women's Health.

Her clinical interests include wound care, varicose veins, sclerotherapy, and venous disease.


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