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Our Team

Our pioneering surgeons, endocrinologists, podiatrists and wound nurses use their skills to develop personalized treatment plans for diabetic patients. Our experts come from a variety of departments and specialties at Johns Hopkins and are available to assist patients during every step of their journey.

Photo of Dr. Christopher Joseph Abularrage, M.D.

Abularrage, Christopher Joseph, M.D.

Associate Professor of Surgery
The Bertram M. Bernheim Associate Professor of Surgery
Director, Diabetic Foot and Wound Clinic
Fellowship Program Director, Vascular Surgery & Endovascular Therapy
Photo of Dr. Nestoras Nicolas Mathioudakis, M.D., M.H.S.

Mathioudakis, Nestoras Nicolas, M.D., M.H.S.

Associate Professor of Medicine
Clinical Director, Endocrinology, Diabetes, & Metabolism
Core Faculty, Armstrong Institute for Patient Safety and Quality
Photo of Dr. James Robert Ficke, M.D.

Ficke, James Robert, M.D.

Professor of Orthopaedic Surgery
Robert A. Robinson Professor of Orthopaedic Surgery
Director, Department of Orthopaedic Surgery
Orthopaedist-in-Chief, The Johns Hopkins Hospital
Photo of Dr. Caitlin Whitney Hicks, M.D., M.S.

Hicks, Caitlin Whitney, M.D., M.S.

Assistant Professor of Surgery
Photo of Dr. Devin O'Brien-Coon, M.D., M.S.E.

O'Brien-Coon, Devin, M.D., M.S.E.

Assistant Professor of Plastic and Reconstructive Surgery
Assistant Professor of Biomedical Engineering
Medical Director, Johns Hopkins Center for Transgender Health
Photo of Dr. Justin Michael Sacks, M.D.

Sacks, Justin Michael, M.D.

Associate Professor of Plastic and Reconstructive Surgery
Director, Oncological Reconstruction
Clinical Staff


Kathryn Hines, MSHS, PA-C

Kathryn Hines, MSHS, PA-C, Director of Surgical Advanced Practice

Kathryn Hines is the director of surgical advanced practice, and the administrative director for the Multidisciplinary Diabetic Foot and Wound clinic. She completed a master’s degree in health sciences at the George Washington University in Washington, D.C. and her surgical residency for physician assistants at the Johns Hopkins Hospital, where she was awarded Outstanding Surgical PA Resident of the Year. During her time with the Johns Hopkins surgical department, Ms. Hines was also co-director and instructor of the Advanced Surgical Training Program for PAs at the George Washington University. Her research has been published in the Annals of Vascular Surgery and the Journal of the American Academy of Physician Assistants. 

Priscilla Frost, RN, CWCN

Priscilla Frost, RN, CWCN, Certified Wound Nurse and Nurse Navigator

Priscilla is a certified wound care nurse at the Multidisciplinary Diabetic Foot and Wound Clinic. She earned her undergraduate nursing degrees at Castleton State College in Vermont and the University of South Carolina. She also served in the Army Nurse Corps, where she worked as a perioperative nurse at the Walter Reed Army Medical Center in Washington, D.C. Priscilla joined the diabetic foot wound team in July 2014. Prior to this, she provided wound care in both clinic and home care settings.

Ciatlin Nass, MSN

Caitlin Nass, CRNP,  Adult Nurse Practitioner

Caitlin Nass is an adult nurse practitioner with the Hopkins Diabetes Center.  Her clinical focus is on disease management, education, and health promotion for patients with complex, chronic conditions including diabetes and heart disease. In addition to patient care, she has experience leading quality improvement initiatives, nursing education, and in clinical research. She has authored articles on cardiac risk assessment, cardiac risk reduction, and chronic kidney disease. She earned both her B.S.N. and M.S.N. at the Johns Hopkins School of Nursing. 

Mark Hopkins

Mark Hopkins, PT, CPO, MBA, Physical Therapist and Prosthetist/Orthotist

Mark Hopkins, PT, CPO, MBA is CEO and President of Dankmeyer, Inc. Mark is a licensed physical therapist in the State of Maryland and an ABC certified Prosthetist/Orthotist with 29 years of experience in clinical practice, clinical research and physical therapist education and training. He has adjunct faculty appointments in the Johns Hopkins Medical School Department of Physical Medicine and Rehabilitation and the University of Maryland Medical School Department of Physical Therapy and Rehabilitation Sciences and is a guest lecturer at several local and regional physical therapy programs including the University of Delaware. He is active in professional continuing education seminars and training for physicians and physical therapists. He obtained his PT degree from the University of Delaware, prosthetist training at Northwestern University and his MBA from the Johns Hopkins University. Mark is a member of the American Physical Therapy Association, the American Academy of Orthotists and Prosthetists, the International Society of Orthotists and Prosthetists and the Amputee Coalition.

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