UT Health Services (UTHS) - Houston is staffed by highly qualified health-care personnel and staff who collaborate to provide expert comprehensive health and illness care. Nurse practitioners provide the majority of care at UTHS. As such, the nurse practitioner (NP) assumes an expanded role in providing high-quality primary health care with an emphasis in specific areas of health promotion, illness prevention and health restoration. A physician is available in clinic on a periodic basis to meet any additional medical needs. Likewise, the physician is available to the NP for consultation. You are always welcome to see the provider of your choice.
George L. Delclos, M.D., M.P.H., Ph.D. is Professor in the Department of Epidemiology, Human Genetics, and Environmental Sciences at The University of Texas Health Science Center at Houston (UTHealth) School of Public Health, and Distinguished Teaching Professor of The University of Texas System. He has been serving as Medical Director for the UT Health Services since 1993. Dr. Delclos is board certified and a practicing clinician in internal medicine, pulmonary medicine, and occupational and environmental medicine, and has a PhD in epidemiology. He has been conducting occupational and environmental health research internationally for over 33 years.
Dr. Daisy Mullassery has more than 30 years of experience in the field of nursing in various capacities: Staff Nurse, Nurse-Midwife, Nurse Practitioner, and Nurse Educator. Dr. Mullassery completed her undergraduate education in Nursing from Calicut University in India. After 2 years of clinical teaching at Bombay Hospital and Research Center, she migrated to Doha, Qatar, to work as a Senior Nurse Midwife at Hamad Medical Corporation (HMC). During her time there, Dr. Mullassery had the opportunity to care for patients ranging from the royal family members of Qatar to the Bedouins out in the desert. She recognized her passion for Women's Health care issues while working in the Middle East and was instrumental in developing policies and protocols of Midwifery practice in HMC. She also worked as a clinical adjunct faculty for Qatar University.
After immigrating to the United States, Dr. Mullassery began her career as a Labor and Delivery Nurse in Long Island, New York and then in Philadelphia. She furthered her education in Nursing while working in Philadelphia and graduated from Drexel University with a Master's and a Doctoral degree in Women's Health. She worked as a full-time, board-certified Women's Health Nurse Practitioner (WHNP-BC) in an inner-city hospital in Philadelphia before moving to Houston, Texas in 2013.
Currently, she works as an assistant professor of clinical nursing at the University of Texas Health Science Center at Houston, Texas. She predominantly teaches in the graduate program teaching nurse practitioner students Advanced Pathophysiology and is actively involved in advising DNP students for their scholarly projects. Additionally, she maintains an active practice by providing clinic services to patients one day per week at the University of Texas Health Services clinic in Houston.
Her research interests include vaccine preventable cancers such as Human Papillomavirus (HPV) related cancers, Sexual and Gender Minority healthcare issues and curriculum development for healthcare education. She has completed the Community of Medical Education Scholars (CoMES) program in 2022. She currently is a Co-Investigator (Co-I) for 3 active funded research projects. Two of these projects involve interprofessional collaboration with the school of Public Health and the School of Dentistry.
Rebecca Tsusaki, PhD, RN, WHNP-BC, IBCLC, has more than 25 years of nursing specializing in women’s and infant health as well as pediatric and adult postoperative care. She has been a primary investigator and co-investigator in several studies and has served as a consultant for several R01 studies in collaboration with other universities. Dr. Tsusaki earned the Sigma Theta Tau, Zeta Pi, Research Award in both 2011 & 2018.
Dr. Tsusaki holds the academic rank of assistant professor of clinical nursing in the Department of Graduate Studies and currently teaches in the MSN and DNP programs. She also has a faculty practice at the Women’s Home in Houston.
Dr. Tsusaki earned her PhD in 2013 with her dissertation work on using surface electromyography to study preterm breastfeeding patterns and also earned the Cizik School of Nursing Faculty Award of Excellence. She is a board-certified women’s health nurse practitioner and an international board-certified lactation consultant. She also completed the UTHSC-Houston Health Educators Fellowship Program in 2017.
Christina Gillman, MSN, APRN, is a family nurse practitioner at UT Health Services. She is certified with the American Association of Nurse Practitioners. Christina has over 20 years of nursing experience working in community health, intensive care, and emergency medicine.
Christina considers herself a professional student because she loves challenges and enjoys learning new things. Christina focuses on providing care that caters to her patient’s preferences and personal needs. Her passion is educating patients so that they can make the best-informed decision for themselves.
Angela Rutherford is an Adult Nurse Practitioner who specializes in primary care and occupational medicine. She is a graduate of McNeese State University in Lake Charles, La., and has been with UT Health Services since 2013. She holds a board certification with American Nurses Credentialing Center (ANCC). Additionally, she serves as a clinical preceptor for nurse practitioner students in the Family Nurse Practitioner program at Cizik School of Nursing at UT Health Houston.