Maya Bloomberg, MSN, ARNP, Nurse Practitioner

Adult Hemophilia Program
Maya Smith, MSN, ARNP, joined the HTC team in November of 2014. Originally from Baltimore, MD, Maya received her BSN from the University of Miami in 2011 and began working at the University of Miami Hospital as a telemetry nurse and then as charge nurse. Maya was Nurse of the Year in 2013 and also was a recipient of the DAISY Award at UMH. She earned her MSN as a family nurse practitioner in August of 2014 from UM. Maya works closely with Dr. Harrington to provide care for the adult hemophilia patients at the HTC and serves as nurse practitioner for Dr. Harrington's adult sickle cell population at JMH and the University of Miami. 

Joanna A. Davis, MD, Medical Director, Pediatric Hemophilia Program
Dr. Davis received her BA in biology from Barnard College of Columbia University. She attended the Albert Einstein College of Medicine, and did her internship and first year of residency in pediatrics at Montefiore Hospital Medical Center in the Bronx. After completing her PL-3 year at Jackson Memorial Hospital in Miami, Dr. Davis did her fellowship in pediatric hematology-oncology at Jackson Memorial Hospital, and joined the faculty of the University of Miami in 1984. She became the medical director of the Pediatric Hemophilia Treatment Center in 1987. Under her direction, the program, which is the only federally-funded HTC in South Florida, has grown from 6 patients to more than 300 pediatric, and 200 adults living with bleeding and clotting disorders Dr. Davis is committed to education and outreach to both the medical and lay communities. She has developed a national “Hemophilia 101” lecture series, created a bilingual, kid-friendly, series of educational books, and has presented didactic lectures at numerous local, regional and national meetings. Dr. Davis is author/co-author of many peer-reviewed articles on hemostasis, is the program director of the pediatric hematology-oncology fellowship program, and is involved as principal investigator of several ongoing coagulation studies.

Meet Your HTC Team

Leandro Pisani, Clinical Research Coordinator
Leandro joined the HTC team in March 2015. A native of Brazil, Leandro was educated at Fundacao Faculdade Federal de Ciencias Medicas de Porto Alegre (FFFCMPA) School of Medicine in Southern Brazil, where his time spent as an observer in the William J. Harrington program sparked his interest in research and led to his association with the University of Miami. Leandro has worked on HIV research protocols and with Phase I studies in immunology and solid tumor vaccines. More than 10 years of research experience make him an invaluable asset to the team in continuing research toward the development of better treatment options.

Maggie Gonzalez, Clinical 340B Program Coordinator
Maggie joined the HTC team in February 2009. She comes from a professional background of business marketing, financial services, and customer support. Maggie brings that rich experience with her to provide better care for HTC patients as the clinical 340B coordinator. The 340B program is a federal drug-pricing program that allows the HTC to get medications for their patients at a reduced cost, with any profit made going back into improving patient services. In her role as coordinator, Maggie assures a swift and seamless enrollment, delivery, and claims process for patients of the HTC.

Thomas Harrington, MD, Medical Director,

Adult Hemophilia Program
Thomas Harrington, MD, was graduated from Boston College and the University of Miami Medical School. After residency at Jackson Memorial Hospital, he worked in the JMH emergency room and then Camillus Health Concern. He then completed two years of a hematology fellowship at JMH followed by a one-year fellowship in oncology at the University of Minnesota. Dr. Harrington became director of the adult sickle cell clinic at JMH in 1995 and, in 2006, became medical director of the adult hemophilia program. He continues in both roles today, as well as attending in the JMH hematology/oncology clinic and seeing patients at the University's Sylvester Comprehensive Cancer Center.


Merissa Williams, BA, CCA
Merissa joined the team in 2016. She is a 2013 Graduate of Florida International University. She earned a BA in Liberal Studies. Merissa is planning to further her education in the near future in a health-related graduate program. Merissa is also a Certified Medical Coder through the AHIMA Foundation. Her coding certification helped her gain knowledge of medical terminology, pharmacology and anatomy and physiology which has been beneficial in her current position. 
In her role as an administrative assistant, her skills and background are essential. She acts as the liaison between healthcare provider and patient, assists in financial services, orders factor and supplies for patients enrolled in the 340B program and handles all administrative duties within the department.

​Maria Santaella, RN-BC, MSN, CPHON®

Nurse Coordinator, Pediatric Program
Maria Santaella has been the pediatric bleeding disorders nurse coordinator at The University of Miami's Hemophilia Treatment Center since 2003 and was the adult nurse coordinator from 2007 to 2014. Prior to taking this position, Ms. Santaella worked as a pediatric HIV/AIDS nurse at Jackson Memorial Hospital and later at the University of Miami. In addition to her role as nurse coordinator for the HTC, Ms. Santaella has co-developed the nationally recognized workshop, Infusion 101. Maria is the 2017 DAISY Award recipient at UMH. She is the vice-chair of the National Hemophilia Foundation Nursing Working Group and she works closely with its local chapters educating patients and their families. She is fluent in both English and Spanish.​

Samantha Gupta, PT, DPT,

Physical Therapist
Samantha Gupta, PT, DPT, joined the HTC in September of 2015. Samantha received her BS in Psychology from University of Texas in 2009 and went on to attend University of Southern California for her Doctorate in Physical Therapy, graduating in 2013. After practicing at Children's Health Center in Dallas for two years, she relocated to Miami and joined the HTC team. Samantha has a passion for working in pediatrics as well as bleeding disorders. Fitness, wellness, and health are some of Samantha's focuses when educating patients and families about living with bleeding disorders.

Annalise Guerra, MSW,

Clinical Social Worker/Psychotherapist
Annalise joined the HTC team as a clinical social worker/psychotherapist in January 2014. She received her degree in Clinical Social Work from Barry University and did her clinical rotations at the University of Miami Miller School of Medicine. Annalise is clinically trained in several areas of behavioral therapy. She specializes in providing individual, family, and group counseling to patients and family members of the bleeding disorders community at the HTC.

Fernando F. Corrales-Medina, MD, Pediatric Hematologist
Dr. Fernando F. Corrales-Medina joined the HTC team in August of 2014 as pediatric hematologist and associate program director of the pediatric hematology-oncology program. He attended medical school at the Universidad Católica de Santa Maria in Arequipa, Peru, where he also worked as an associate researcher at his University Research Institute. He then completed his pediatrics residency at the University of Miami Miller School of Medicine in 2011, where he became interested in hemophilia after taking care of some of our HTC patients. He pursued his fellowship training in pediatric hematology-oncology at The University of Texas – MD Anderson Cancer Center, from which he was graduated in 2014. Dr. Corrales-Medina’s research has been published in several peer-review journals, including Oncoscience and Leukemia Research, among others. He is currently the on-site principal investigator in different pediatric hemophilia and thrombosis clinical trials.