Clinic Facilities

Pediatric Blood and Cancer Center at University Hospital

UT Kids Blood and Cancer Center is the most comprehensive and advanced facility of its kind. We provide “one-stop shopping” for the treatment of young patients with cancer and blood disorders with everything from a dedicated lab and pharmacy to a teaching resource center housed within the unit.
Administrative and faculty offices:

Danielle Hardaway
Division Administrator
UT Health San Antonio
7703 Floyd Curl Drive
MSC 7810
San Antonio, TX 78229
Phone: (210) 567-7477


Outpatient Clinics
University Hospital
10th Floor, Horizon Tower
4502 Medical Drive
San Antonio, Texas 78229
Phone: 210-743-2300

Pediatric Specialties
Westgate Medican Center
5282 Medical Drive, Suite 170
San Antonio, Texas, 78229
Phone: 210-450-7337
Fax: 210-450-2121

Inpatient Unit
University Hospital
7th floor Sky Tower
4502 Medical Drive
San Antonio, Texas 78229


Our hemophilia team as part of the South Texas Comprehensive Hemophilia and Thrombophilia Treatment Center provides on-going care to children and adults in the Rio Grande Valley. Our comprehensive team including physicians, nurse practitioners, nurses, social work, dental, genetic counselor and research staff conducts a quarterly comprehensive clinic in Harlingen at the Valley Baptist Hospital. For more information about our hemophilia outreach program in Harlingen contact us at (210) 567-7468.

Valley Baptist Medical Center
Medical Arts Pavilion
2101 Pease Street
Harlingen, TX 78551

South Texas Comprehensive Hemophilia and Thrombophilia Treatment Center

The South Texas Comprehensive Hemophilia Treatment Center provides comprehensive care to pediatric and adult patients with hemophilia, von Willebrand disease, platelet and clotting disorders. Covering a catchment from San Antonio to the Rio Grande Valley, the South Texas Hemophilia Treatment Center is a federally designated Hemophilia Treatment Center and offers access to physical therapy, dentistry, psychosocial support and clinical trials. In particular, our team takes a family-based approach to treatment, through which we address all aspects of life with a bleeding disorder in order to develop an individualized approach to care.

Services include:

1. Diagnosis and treatment of bleeding and clotting disorders
2. Comprehensive multidisciplinary annual evaluations including physical therapy, dentistry, and psychosocial support
3. Genetic counseling and testing for hemophilia and other clotting disorders
4. Outreach clinics in Harlingen, and Laredo
5. 340b pharmacy program
6. Community outreach and education including schools, churches, and camps
7. Psychosocial support and counseling

Program Staff:

Melissa Frei – Jones, MD, MSCI, Medical Director
Trish Amerson, RN, MSN, CPNP, Specialty Nurse Practitioner
Dezarae Tate, RN, Nurse Coordinator
Natalie Poullard, MA, MS, CGC, Genetic Counselor
Shawn Gessay, MS, CGC, Genetic Counselor
Leticia Silva, LMSW, Social Work
John Linkart, Healthcare Office Business Manager, 340B Factor Program, South Texas HTC

South Texas Sickle Cell Center

The Sickle Cell program is dedicated to the evidence-based treatment of children, adolescents, and young adults living with sickle cell disease and thalassemia through a comprehensive program aimed at preventing disease complications, promoting health literacy and maximizing quality of life.

Services Include:
1. Genetic counseling of hemoglobinopathy disorders identified by newborn screen
2. Comprehensive annual evaluations focusing on disease awareness, infections and pulmonary complications
3. Transcranial doppler for primary stroke prevention
4. Hydroxyurea for disease modification
5. Chronic transfusion therapy including erythrocytopheresis and iron chelation
6. Combined Sickle Cell and Pulmonology Clinic
7. Community outreach including schools, churches, camps and support groups for sickle cell awareness/education
8. Psychosocial support for educational testing and evaluation of transition readiness

Meet our Sickle cell team:

Melissa Frei-Jones, MD MSCI, Medical Director
Donna Doulton. RN BScN, Sickle Cell Nurse Coordinator
Leticia Silva, LMSW, Social Work
Krystal Robinson, PhD, Psychologist
Raquel Reyes, BS, Clinical Research Associate