Dr. Manuela Murray received her medical degree from Instituto de Ciencias de la Salud Medical School in Medellin, Colombia in 2002. She completed her residency in Pediatrics at UTMB in 2008.

After finishing this training, she was promoted to the rank of Assistant Professor and currently serves as the Medical Director for Pediatric Urgent Care Centers and Ambulatory Operations. She is Co-Director for General Academic Pediatrics.

Her goal is to provide excellent patient care at every encounter and to make sure every patient and parent leaves the clinic with all their concerns addressed and questions answered.

Dr. James Yao Doe was born and raised in Ghana. He attended University of Science and Technology in Ghana where he completed his medical training. Upon completion, he worked as a general medical practitioner at Koforidua Regional Hospital and then Battor Catholic Hospital (both in Ghana), before relocating to the United States.

He was a resident in the Department of Family Medicine at University of Oklahoma in Tulsa. After completing residency, Dr. Doe initially worked as a locum doctor both in Oklahoma and in Houston, Texas seeing patients in primary care clinics, urgent care clinics and emergency rooms. He was then employed by the Coastal Health and Wellness Clinic (former 4c's Clinic) and then by University of Texas Medical Branch Correctional Managed Care. Dr. Doe recently joined the UTMB Community Based Clinics in March of 2016.

He is actively involved in Texas Association of Family Physicians Galveston Branch. Dr. Doe and his family are active members of the Ghanaian community in Greater Houston.

Melanie Gray was born in Houston, TX and raised in the once small town of Pearland, TX. She initially received her Bachelor's Degree in Nursing from UTMB in 2004, graduating with honors. After working in the Pediatric Intensive Care Unit at Texas Children's Hospital and in the Day Surgery Unit at University General Hospital, she pursued her master's degree at UTMB. With two young girls, one on the way, and the help of her husband, she received her Master's of Science in Nursing and became a Family Nurse Practitioner in 2015.

With a passion for primary care, she accepted a position at Texas Gulf Coast Medical Group in 2016. At TGCMG, she grew as a nurse practitioner and served as a preceptor. Recently, she joined the Primary and Specialty Care Clinic at UTMB.

Outside of work, she enjoys spending time with her family and friends. She can usually be found hustling kids to different activities or enjoying time outdoors.

Dr. Campbell comes to UTMB Health from the East Carolina University Brody School of Medicine, where he most recently served as the Senior Associate Dean for Academic Affairs, Chief Academic Officer, and Associate Professor of Family Medicine. He also served as their Associate Dean for DEI and Director of their Research Group for Underrepresented Minorities in Academic Medicine. Prior to his tenure at East Carolina University, Dr. Campbell served on the faculties at Florida State University College of Medicine and the University of Florida College of Medicine.

Dr. Campbell earned a Bachelor of Science (BS) from Florida A&M University in Tallahassee, FL and a Doctorate of Medicine from the University of Florida College of Medicine in Gainesville, FL. He completed a residency with the Tallahassee Memorial Family Medicine Residency Program in Tallahassee, FL.

Dr. Campbell currently holds the Sealy Hutchings and Lucille Wright Hutchings Chair in Family Medicine.

Dr. Crystal Sierra joined UTMB Health in November 2010.  After completing her undergraduate studies at The University of Texas - Pan American in Edinburg, Texas, Dr. Sierra earned her medical degree from The University of Texas Medical Branch in Galveston in 2006. In 2009, she completed her Residency in Pediatrics at UTMB. Prior to working for UTMB, Dr. Sierra worked as a pediatrician in Clear Lake.

Dr. Sierra is board certified by The American Board of Pediatrics. She is also certified in Basic Life Support and Pediatric Advanced Life Support. She has her Texas medical license, and is a member of The American Academy of Pediatrics.

Dr. Sierra is married to Dr. James T. Sierra, a dentist in Friendswood, and they have two beautiful daughters, Gabriella and Francesca.  Dr. Sierra is fluent in Spanish and also enjoys reading and traveling with her family in her spare time.  She has enjoyed living in the area, and is excited to be giving back to the community!

Dr. Bradley Henrie joined UTMB Health's Department of Family Medicine in 2020. He currently serves as Clinical Assistant Professor.

Dr. Henrie earned a Bachelors of Science in Biological Engineering from Utah State University in Logan, Utah, and a Doctorate of Medicine from the Ross University School of Medicine in Portsmouth, Dominca and completed his family medicine residency training at The University of Texas Medical Branch at Galveston.

Dr. Henrie is certified by the American Board of Family Medicine.

Dr. Ralph W. Noble III has been a general pediatrician since 1978. He attended medical school and completed his specialty training in pediatrics at UTMB. He is certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics. He has taught UTMB medical students and pediatric residents throughout his career.

Dr. Noble enjoys practicing general pediatrics. He has an interest in mind/body medicine, including breathing techniques, meditation, and exercises.

In the past, Dr. Noble has served as a clinic medical director, public school medical consultant, teaching a sex education course at one of Galveston's private schools, medical director of the Advocacy Center for Children of Galveston County, a member of the board of various Galveston community agencies. For several years he was an assistant scoutmaster of a Galveston Boy Scout troop.

 Provider is LGBTQIA+ Responsive

Dr. Kimberlyn Robinson is an Ob/Gyn physician with the UTMB Women's Health Care Group. Her focuses are general obstetrics & gynecology and women's healthcare.  Her additional interest include:  adolescent health, patient education, gynecologic surgery, and high risk obstetrics. She is currently taking new patients at the Clear Lake Women's HealthCare location in Webster.

A native of Galveston, Texas, she graduated with the honor of Salutatorian from Ball High School in 2002. After graduating from high school, Dr. Robinson went on to attend Baylor University in Waco, Texas where she graduated summa cum laude with a Bachelor's degree in Biochemistry and a minor in Medical Humanities. After college, Dr. Robinson was fortunate to be able to return home to attend medical school at The University of Texas Medical Branch at Galveston. After receiving her Doctor of Medicine degree in May 2006, she went on to complete her residency training in the field of Obstetrics and Gynecology at UTMB as well.

She is currently a member of the American Congress of Obstetrics and Gynecology, the Texas Medical Association, and the American Medical Association. Dr. Robinson is married to Joseph Robinson, Sr. and they have one son. She enjoys traveling and spending time with her family.

Dr. Jana received her Bachelor of Arts in Biochemistry from Vassar College in New York and attended medical school at the John A. Burns School of Medicine at The University of Hawaii at Manoa. She completed her family medicine residency training at The University of Illinois in Chicago and went on to complete a fellowship in Geriatric Medicine at The Albert Einstein Medical Center in Pennsylvania.

Dr. Jana previously served as Major in the US Air Force and was an attending physician at Pope Air Force Base, Fort Bragg in North Carolina. Following her honorable discharge in 2001 Dr. Jana has had a successful civilian career, and she now joins us from University of Central Florida. She is board certified by the American Board of Family Medicine with an additional certification in Geriatric Medicine. Dr. Jana's interests are in preventative medicine, medical student education and geriatrics.

Ms. Guzman joined the Department of Family Medicine in 2020.

Ms. Guzman earned a Bachelor of Science in Health Education and Community Health from the Texas A&M University in College Station, Texas and a Master in Physician Assistant Studies from UTMB Health in Galveston.

She is certified by the National Commission on Certification of Physician Assistants (NCCPA) and is licensed by the Texas Medical Board.