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Pediatric Hematology / Oncology | St. Jude Tri-Cities Affiliate Clinic

St. Jude Children's Hospital Tri-Cities Affiliate

The St. Jude Tri-Cities Affiliate Clinic (patient care site) follows more than 300 children with cancer and blood disorders and schedules more than 3,000 visits annually. The pediatric oncology team is composed of three pediatric hematology / oncology physicians, a nurse practitioner, four registered nurses, a child life specialist, an LPN, a clinical research associate, a social worker and 2 receptionists. The Tri-Cities Affiliate Clinic is supported not only by St. Jude but also by ETSU and Niswonger Children’s Hospital to provide the comprehensive cancer and hematologic treatment needed by many children in our region. 

Kathryn J. Klopfenstein, MD | Professor 



Medical Education : College of Medicine University of Arizona, MD, 1987 
Residency: Phoenix Hospitals Affiliated Pediatric Program, Phoenix, AZ;   Chief Pediatric Residents 1989-90 
Fellowship: Pediatric Hematology/Oncology/Bone Marrow Transplant Division Children’s Hospital Medical Center, Cincinnati, Ohio 1990-1993
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Marcela Popescu, MD | Associate Professor 

Dr. Marcela Popescu

Medical Education:
 University of Medicine and Pharmacy, School of Medicine, Targu-Mures, Romania;  
Residency:  University of Illinois at Chicago 2003
Fellowship: University of Wisconsin, 2007
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Cathleen Cook, MD, MEd, FAAP | Assistant Professor


Medical Education:
 Pennsylvania State University College of Medicine MD, 2007
Fellowship: St. Jude Research Hospital, 2013
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Angela Willocks, RN, MSN, FNP | Clinical Instructor

Angela Willocks






 Kate Strickland | Clinic Manager at the  St. Jude Tri-Cities Affiliate Clinic (patient care site)  

Kate Strickland, Clinical Instructor



Coordinator & Clinical Instructor



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