Hematology Oncology

The Division of Pediatric Hematology/Oncology evaluates, diagnoses and treats children with cancer and blood diseases. Inpatient units are organized according to patients' ages, which range from infancy to young adulthood.

Click here to learn more about the services offered at UMMC.

For appointments call: 410-328-2808

Physicians

Teresa A. York, MD
Assistant Professor of Pediatrics
Division Head and Clinical Director, Pediatric Hematology/Oncology
Special Interests: Leukemia; Lymphoma; Solid Tumors; Blood Disorders; Cancer Survivorship
Medical Degree: West Virginia University Children's Hospital
Residency: West Virginia University Children's Hospital of Maryland, Pediatric Hematology/Oncology
Fellowship: Medical University of South Carolina, Pediatric Hematology/Oncology
Certifications: Diplomate, American Board of Pediatrics (2009); Pediatric Hematology/Oncology (2014)  

Teresa York, MD, graduated from West Virginia University School of Medicine and completed her pediatric residency at West Virginia University Children’s Hospital in Morgantown, WV. This was followed by a pediatric hematology/oncology fellowship program at the Medical University of South Carolina (MUSC) in Charleston, SC. She worked as a clinical instructor of pediatric hematology/oncology at MUSC. She then joined our team at the University of Maryland Children’s hospital (UMCH) in 2004 as an assistant professor and she currently serves as the Division Head and Clinic Director of Pediatric Hematology/Oncology at UMCH. Her clinical interests include leukemia, lymphoma and solid tumors in addition to blood disorders and monitoring cancer survivors for late effects of their treatment. Her research interests include relapsed leukemia and chemotherapy drug resistance.


Regina Macatangay, MD
Assistant Professor of Pediatrics
Special Interests: CNS Tumors; Genetics and Blood/Cancer Disorders of Childhood; Medical Trainee Education; Wilms Tumor
Medical Degree: University of Maryland School of Medicine
Residency: University of Maryland Medical System, Pediatrics
Fellowship: Memorial Sloan-Kettering Cancer Center and New York Presbyterian Hospital - Weill Cornell Medical College, Pediatric Hematology/Oncology
Certifications: Diplomate, National Board of Medical Examiners (2006); Diplomate, American Board of Pediatrics (2012)

Dr. Macatangay completed her Pediatric residency training program at the University of Maryland Medical Center and my joint fellowship training in Pediatric Hematology/Oncology at Memorial Sloan-Kettering Cancer Center and Weill Cornell Medical College in New York. She worked in the lab of Christopher Y. Park investigating the role of microRNAs in chemoresistance of pediatric leukemia.

As a fellow, she fostered a clinical interest in neuro-oncology and Wilms tumor and worked with Dr. James Bussel on a clinical project involving Radioulnar Synostosis-Hematology Syndrome. After moving back to Baltimore, she worked with Carol Greene to establish a joint Hematology/Oncology-Genetics clinic and is continuing clinical research in sickle cell anemia and inherited disorders of the blood. She is the co-director of the Pediatric clerkship and acts as a professional mentor to undergraduate students through the Meyerhoff Scholarship Program at UMBC (M8), medical students and Pediatric residents.



Ashley Munchel, MD
Assistant Professor of Pediatrics
Special Interests: Pediatric Cancer, Bone Marrow Transplantation, Cancer Immunology and Immunotherapy
Medical Degree: Virginia Commonwealth University School of Medicine
Residency: Jackson Memorial Hospital (University of Miami), Pediatrics
Fellowship: Johns Hopkins Hospital/National Cancer Institute
Certifications: Pediatrics (2009); Pediatric Hematology/Oncology (2013)

Dr. Munchel graduated from Virginia Commonwealth University School of Medicine and completed her pediatric residency at Jackson Memorial Hospital in Miami, FL. She completed her fellowship in pediatric hematology/oncology at Johns Hopkins Hospital and National Cancer Institute at the National Institutes of Health. During fellowship, her research interest was immune reconstitution after stem cell transplantation. After graduating from fellowship, she worked at Children’s National Medical Center in Washington, DC in the Division of Blood and Marrow Transplant. She came to University of Maryland Children’s Hospital in 2012. Since starting at UMCH, she has re-established the pediatric bone marrow transplant program.



Sang (Nick) Park, MD
Assistant Professor of Pediatrics
Special Interests: Pediatric Hematology/Oncology
Medical Degree: University of Cincinnati College of Medicine
Residency: INOVA Fairfax Hospital




Nursing Support

  • Diane Keegan Wells, RN, MS, CPNP, Pediatric Hematology/Oncology nurse practitioner
  • Holly Deluca, NP
  • Chrissy Barnett, RN
  • Stella Stakias, RN
  • Andrew Wisowaty, RN 

Child Life

  • Becky Halagarda, Child Life Specialist
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