Meet the Medical Care Team

The Children’s Blood and Cancer Center at Dell Children’s Medical Center works with a team of pediatric specialists in oncology and hematology.  They work in concern with primary care physicians and other pediatric specialists to develop individualized care plans that treat the whole child.

The team works with a multidisciplinary group of medical professionals, including registered nurses, child life specialists, social workers and dieticians, all working together to provide personalized, comprehensive services that address both the physical and emotional aspects of the disease.

Philip E. Neff, MD

Neff

  • Medical School: University of Missouri-Columbia School of Medicine (Columbia, MO)
  • Residency: University of Missouri-Columbia School of Medicine, Children’s Hospital and Clinics (Columbia, MO)
  • Fellowship: University of Missouri-Kansas City School of Medicine, The Children’s Mercy Hospital (Kansas City, MO)
  • Board Certified: American Board of Pediatrics; American Board of Pediatrics Hematology-Oncology
  • Joined CBCC: 2006
  • Clinical Specialty: Cares for children and teens with cancer or blood disorders

Virginia L. Harrod, MD, PhD, Clinical Medical Director

vharrod

  • PhD: The University of Texas Graduate School of Biomedical Sciences at MD Anderson Cancer Center (Houston, TX)
  • Medical School: The University of Texas Medical School at Houston (Houston, TX)
  • Residency: Children’s Hospital of Austin (Austin, TX)
  • Fellowship: St. Jude Children’s Research Hospital (Memphis, TN)
  • Board Certified: American Board of Pediatrics; American Board of Pediatrics Hematology-Oncology
  • Joined CBCC: 2007
  • Clinical Specialty: Cares for children and teens with cancer of the brain and spinal cord

Alicia K. Chang, MD

Alicia Chang

  • Medical School: Tulane University School of Medicine
  • Residency: Columbia University Medical Center
  • Fellowship: Baylor College of Medicine
  • Board Certified: American Board of Pediatrics; American Board of Pediatric Hematology – Oncology
  • Joined CBCC: 2020
  • Clinical Specialty: Cares for children and teens with blood disorders, specializing in Sickle Cell Disease

 

Arun Gurunathan, MD

  • Specialty: Pediatric Hematology
  • Board Certifications: Pediatrics, Pediatric Hematology-Oncology
  • Graduate: Rutgers New Jersey Medical School, Newark, NJ

Shannon Cohn, MD, Director of Clinical Research

Shannon Cohn

  • Medical School: Baylor College of Medicine (Houston, TX)
  • Residency: University of Texas Southwestern Medical Center (Dallas, TX)
  • Fellowship: University of Texas Southwestern Medical Center (Dallas, TX)
  • Board Certified: American Board of Pediatrics; American Board of Pediatrics Hematology-Oncology
  • Joined CBCC: 2015
  • Clinical Specialty: Cares for children and teens with cancer or blood disorders

Raven M. Cooksey, MD

Raven M. Cooksey

  • Medical School: University of Tennessee College of Medicine (Memphis, TN)
  • Residency: University of Oklahoma Health Science Center (Tulsa, OK)
  • Fellowship: University of Texas Southwestern Medical Center (Dallas, TX)
  • Board Certified: American Board of Pediatrics, General Pediatrics; American Board of Pediatrics, Pediatric Hematology/Oncology
  • Joined CBCC: 2017
  • Clinical Specialty: Cares for children and adolescents with all types of malignancy, as well as those who have beaten their cancer (aka survivors); special interest in the clinical care of patients with brain and spinal cord tumors

Robert C. Mignacca, MD, Director of Hematology

MignaccaRobert2

  • Medical School: Saint Louis University School of Medicine (St. Louis, MO)
  • Residency: Children’s Hospital Los Angeles (Los Angeles, CA)
  • Fellowship: UCLA Medical Center (Los Angeles, CA)
  • Board Certified: American Board of Pediatrics; American Board of Pediatrics Hematology-Oncology
  • Joined CBCC: 2011
  • Clinical Specialty: Cares for children and teens with blood disorders

Michael M. Mitchell, DO

Michael Mitchell

  • Medical School: Touro University College of Osteopathic Medicine
  • Residency: University of South Carolina
  • Fellowship: UT Southwestern Medical Center
  • Board Certified: American Board of Pediatrics Certified
  • Joined CBCC: 2020
  • Clinical Specialty: Cares for children and teens with cancer

Linda G. Shaffer, MD

Shaffer

  • Medical School: Johns Hopkins University School of Medicine Baltimore, MD
  • Residency: USAF Wilford Hall Medical Center, Lackland AFB, TX
  • Fellowship: University of Texas, MD Anderson Cancer Center, Houston, TX
  • Board Certified: American Board of Pediatrics; American Board of Pediatrics Hematology-Oncology
  • Joined CBCC: 2002
  • Clinical Specialty: Cares for children and teens with blood disorders (speaks English and Spanish)

Donald T. Wells, MD

Wells

  • Medical School: University of Texas Medical Branch School of Medicine at Galveston (Galveston, TX)
  • Residency: University of Connecticut Health Center (Farmington, CT)
  • Fellowship: National Institutes of Health, National Cancer Institute (Bethesda, MD)
  • Board Certified: American Board of Pediatrics Hematology-Oncology
  • Joined CBCC: 1995
  • Clinical Specialty: Cares for children and teens with cancer or blood disorders

Clinic Nurse Practitioners

Holly R. Kubaney, RN, MSN, PNP-BC

  • Specialty: Hematology/Oncology
  • Board Certifications: American Nurses Credentialing Center, 2000
  • Undergraduate: Case Western Reserve University, Cleveland 1994
  • Graduate: Kent State University, 2000

Daryl R. Moczygemba, RN, MSN, CPNP, CPHON

  • Specialty: Hematology/Oncology
  • Board Certifications: Certified Pediatric Hematology Oncology Nurse 2011
  • Undergraduate: University of Texas Health Science Center, San Antonio 1995
  • Graduate: University of Texas Health Science Center, San Antonio 2006

Sharon T. Odozynski, RN, MSN, FNP-C

  • Specialty: Hematology/Oncology; Survivorship Center
  • Board Certifications: American Academy of Nurse Practitioner Certifications 2000
  • Undergraduate: University of Phoenix 1988
  • Graduate: University of Texas Arlington 1997

Jennifer Tiller, MSN, RN, CPNP, CPHON

  • Specialty: Hematology/Oncology
  • Board Certifications: Pediatric Nurse Practitioner Certification 2006; Pediatric Advanced Life Support Certification 2009
  • Undergraduate: University of Texas at Austin, Bachelor of Nursing 2001
  • Graduate: University of Texas Medical Branch at Galveston, Master’s of Science in Nursing 2006

Heather D. Donaghey, RN, MSN, CPNP

  • Specialty: Hematology/Oncology
  • Board Certifications: Pediatric Nursing Certification Board, 2010
  • Undergraduate: Texas Tech University Health Sciences Center, 2003
  • Graduate: Texas Tech University Health Sciences Center, 2010

Jason Morris, MSN, RN, CPNP

Jason Morris_Crop_crop 2016_K1A6026

 

  • Specialty: Neuro Oncology
  • Board Certifications: Certified Pediatric Nurse Practitioner – Primary Care
  • Undergraduate: Baylor University, 2000
  • Graduate: The University of Texas at Austin, 2015

4North Nurse Practitioners

Christina Allegretti, RN, CPNP, CPON

Allegretti

  • Specialty: Hematology/Oncology
  • Board Certifications: Pediatric Nursing Certification Board 2005
  • Undergraduate: University of Alabama at Birmingham 2001
  • Graduate: University of Washington 2004

Amy Clarkson, MSN, RN, CPNP-AC

Amy Clarkson _crop2016_K1A6076

  • Specialty: Hematology/Oncology
  • Board Certifications: Pediatric Nursing Certification Board
  • Undergraduate: University of Pennsylvania – BSN
  • Graduate: University of Pennsylvania – MSN

Lauren Reach, RN, PNP-AC

Lauren Reach 2016_K1A6050_crop

  • Specialty: Hematology/Oncology
  • Board Certifications: Certified Pediatric Nurse Practitioner- Acute Care
  • Undergraduate: Texas Christian University, 2005
  • Graduate: Vanderbilt University, 2012