Our Providers

Advanced Practice Providers (APPs) | Renal Care Coordinator

Michael Casey, M.D.

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Michael J. Casey, M.D., is a graduate of the University of North Carolina School of Medicine. He performed his Internal Medicine and Nephrology training at Wake Forest University School of Medicine. His special interests are hypertension, pre-ESRD care and critical care nephrology.

Jason Eckel, M.D.

jason-eckle-2-150x150Jason Eckel, M.D., received an undergraduate degree at Ohio State University.  He continued at Ohio State for Medical School followed by training in Internal Medicine, Nephrology at Duke University Medical Center.

William L. Fan, M.D.

dr-william-fanWilliam L. Fan, M.D., completed his clinical nephrology training at Duke University Medical Center and his research fellowship at the Duke Hypertension Center. He is a graduate of the University of North Carolina School of Medicine and completed his Internal Medicine training at UNC Hospitals. His special interests include difficult-to-control hypertension, chronic kidney disease and critical care nephrology.

James Godwin, M.D.

James Godwin, M.D., received an undergraduate degree from the University of Kansas. He continued at Kansas for medical school followed by training in Internal Medicine, Nephrology at the University of North Carolina at Chapel Hill.

Karn Gupta, MD, FASN, FASDIN

Karn Gupta, M.D., completed his clinical Nephrology fellowship at the University of Wisconsin School of Medicine followed by a fellowship in Interventional Nephrology at the University of Wisconsin. He is certified by the American Society of Diagnostic and Interventional Nephrology. His special interests include endovascular/dialysis vascular access procedures, hypertension and critical care nephrology.

Jeffrey Hoggard, M.D., F.A.S.N., F.A.S.D.I.N.

Jeff Hoggard MDJeffrey G. Hoggard, M.D., F.A.C.P., F.A.S.N., received an undergraduate degree and Doctor of Medicine degree from the University of North Carolina at Chapel Hill. He did his residency in Internal Medicine and his fellowship in Nephrology at the University of Texas Health Science Center in San Antonio and he is Board certified in Internal Medicine and Nephrology. In addition, Dr. Hoggard is certified by the American Society of Diagnostic and Interventional Nephrology in hemodialysis vascular access procedures.

So Yoon Jang, M.D.

so-yoon-jangSo Yoon Jang, M.D., received an undergraduate degree in Chemistry from Clark University in Worcester, Massachusetts, and her Doctor of Medicine degree from University of North Carolina at Chapel Hill. She did her Internal Medicine residency at UNC Chapel Hill and completed Nephrology fellowship at UNC Chapel Hill. She also completed AST/ASN accredited Nephrology Transplant fellowship at University of North Carolina at Chapel Hill.

Fred Jones, M.D.

Fred Jones, M.D., is a graduate of the University of North Carolina at Chapel Hill and Rush Medical School. He received his Internal Medicine training at the University of Kentucky Medical Center and his Nephrology training at Duke University Medical Center.

Dan Koenig, M.D.

dankoenigDan Koenig, M.D., received an undergraduate degree from Duke University. He continued at Duke for medical school followed by training in Internal Medicine at Duke University Medical Center and Nephrology training at Vanderbilt University Center.

Kevin Lee, M.D.

Kevin Lee, M.D., received an undergraduate degree from the University of North Carolina at Chapel Hill. He continued at UNC for medical school followed by training in Internal Medicine and Nephrology at UNC Hospitals.

Sammy A. Moghazi, M.D.

dr-sammy-moghaziSammy A. Moghazi, M.D., completed his clinical Nephrology fellowship at Emory University Medical Center. There, he had a special interest in dialysis access, renal ultrasound, and renal cysts. Prior to fellowship training, he finished his Residency at Emory University Department of Medicine.

Michael Monahan, M.D.

dr-monahanMichael Monahan, M.D., received his Internal Medicine training at Emory University in Atlanta. He received specialized Nephrology training at Tufts University in Boston.

Michael l Oliverio, M.D.

michaeloliverioMichael l Oliverio, M.D., received an undergraduate degree from West Virginia University. He continued at West Virginia University for medical school followed by training in Internal Medicine and Nephrology at Duke University Medical Center.

Robert E. Olivo, M.D.

Robert Olivo, MDRobert E. Olivo, M.D., received his Doctor of Medicine degree from the State University of New York at Stony Brook. After completing his Internal Medicine residency at Vanderbilt University Medical Center, he continued with clinical nephrology training at Duke University Medical Center and a clinical research fellowship at the Duke Clinical Research Institute.

Sejan Patel, MD, FACP, FASN, FASDIN

dr-patelSejan B. Patel, M.D., received Nephrology training through Duke University Hospitals and Internal Medicine training through Case Western Reserve University Hospitals. He graduated from The Ohio State University College of Medicine and University of Michigan. He has been certified by the American Society of Diagnostic and Interventional Nephrology. Areas of specialization include interventional nephrology, where he performs endovascular interventions on dialysis access, and home dialysis therapy.

Dr. Eric Raasch, M.D.

eric-raasch-150x150Eric Raasch, M.D., received his undergraduate degree in Biochemistry from the University of Tulsa, in Tulsa, Oklahoma, and his Doctor of Medicine from the University of Oklahoma College of Medicine. He then completed Internal Medicine Residency at Wake Forest University Baptist Medical Center and Nephrology Fellowship at Duke University Medical Center.

Mark D. Rothman, M.D.

dr-rothman4Mark D. Rothman, M.D., received his Internal Medicine training in New York City at Long Island Jewish Hospital and Mount Sinai School of Medicine. He received his specialized training in Nephrology at Mount Sinai School of Medicine.

Samsher B. Sonawane, M.D.

dr-sonawaneSamsher B. Sonawane, M.D., completed his clinical Nephrology and research fellowship at the Hospital of the University of Pennsylvania. He trained in Internal Medicine at Columbia-Presbyterian Medical Center in New York City. He graduated from the University of Maryland School of Medicine and UNC-Chapel Hill. His special interests include kidney stones, critical care Nephrology and the care of kidney transplant recipients.

Adam Stern, M.D.

adam-stern-mdAdam Stern, M.D., received his undergraduate degree in Biology from Hofstra University and his Doctor of Medicine from New York Medical College. He then completed his Internal Medicine Residency and Nephrology Fellowship at UNC Chapel Hill.

Phillip Z. Timmons, M.D.

dr-timmons1Phillip Z. Timmons, M.D., is a graduate of East Carolina University School of Medicine. He received his Internal Medicine training at Norwalk Hospital and Yale-New Haven Hospital, and specialized training in Nephrology at Duke University Medical Center.

Advanced Practice Providers (APPs)

Alexis Bailey, PA

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Valerie Cornella, PA

Liza David, FNP

Phyllis Merritt-James, RN, MSN, CCM, FNP-C

Elizabeth O’Leary, PA

Jessica O’Neill, PA

Carla Roberson, NP

Tammy Shenkman, PA

Deb Siler, CFNP

Allyson Stanton, FNP

Darlene Strossi, NP

Nanci Sullivan-Blackert, NP

Renal Care Coordinator

Karla Hallihan, RN, BSN – Fresenius Health Partners