Dr. Adri P. Smith joined UTMB Pediatric Community Based Clinics in 2006.  She completed her residency in Pediatrics at the University of Texas Medical Branch at Galveston in 2005 and received her medical degree from the University of Texas Medical School at San Antonio in 2002.  She completed her bachelor's degree in biomedical science at Texas A&M University in College Station in 1997.

Board certified by the American Board of Pediatrics, Dr. Smith has a special interest in adolescent preventative medicine, infant care, treating and preventing obesity in children and treating allergic rhinitis, atopic dermatitis and asthma.  She is a member of the American Academy of Pediatrics.  She also enjoys teaching medical students and residents and is bilingual in English and Spanish.

When she is not seeing patients, she enjoys spending time with her three children, husband, family and friends.

Alma Chavez began her career as a licensed vocational nurse and worked with the indigent at Harris County Hospital District for 5 years. Striving to advance her skills, she received her Bachelor's of Science in Nursing from the University of Texas Health Science Center at Houston in 1999. It was then that she continued to work with the indigent spending eleven years as a specialty trained RN, providing well child exams to children of all ages. Her passion for patient care then drove her to earn her Master's of Science in Nursing from UTMB, specializing in family practice.

Alma is board certified as a Family Nurse Practitioner by the American Academy of Nurse Practitioners and joined the family of caregivers at UTMB Health Pediatrics, Texas City in 2012.

Dr. Matthew J. Hay joined UTMB Pediatric Associates in 1997. Board-certified by the American Board of Pediatrics, Dr. Hay completed his residency in pediatrics and received his doctorate in medicine from the University of Texas Medical Branch in Galveston. Dr. Hay holds a bachelor's degree from Stephen F. Austin State University. He is also the Medical Director of the UTMB Health Primary and Specialty Care Clinic in Texas City.

Dr. Hay has been named the Galveston Daily News Reader's Choice Best Pediatrician of Galveston County in 2015, 2016, 2017, and 2019. Dr. Hay is currently a member of the Galveston Independent School District Board of Trustees, currently serving in his third three-year term, as well as serving as the President for six of those years. He served on the Texas Youth Commission Advisory Board after being appointed by then Texas Governor Rick Perry. He has developed a special interest in children with Attention Deficit Hyperactivity Disorder and other behavioral or school-related problems.

When he isn't seeing patients, Dr. Hay coaches the Texas A&M Galveston Lady Aggies soccer team.

 Provider is LGBTQIA+ Responsive

Amy Laird- Payne was born and raised in the Brazosport Area. She is a 1996 graduate of Brazoswood High school. She received her Master's Degree in Physician Assistant Studies with an emphasis in Medical Education from The University of North Texas Health Science Center at Fort Worth in 2003.

Amy joined the UTMB Lake Jackson Pediatric Clinic in March 2018. She has worked in Pediatric Medicine as a Certified Physician Assistant in the Brazosport Area for the past 15 years and has been certified by the NCCPA since 2003.

Amy is passionate about empowering people to pursue their dreams and obtain great health. She enjoys spending time with her family and performing volunteer work in the community. She lives in the Brazosport Area with her husband and 3 children.

Amber Khan grew up and lived in three different countries and moved a lot in pursuit of improving quality of life and chasing her aspirations. From getting her bachelor's in North Carolina, going to PA school in Virginia, she fell in love with Texas and moved here.

She continuously enjoys family practice and has been practicing since 2012. She likes getting to know her patients and their loved ones, and building long lasting relationships. She has a lot of exposure to preventative care and emphasizes that to her patients the most.

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

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Dr. Jennifer Caffey joined UTMB Pediatric Associates in 2009 after being in private practice for 5 years.  She completed her pediatric residency at UTMB in Galveston where she was Chief Resident.  She graduated from Texas A&M University with a Bachelor's of Science degree in Biomedical Science, and then earned her Doctor of Osteopathic Medicine degree from The University of North Texas Health Science Center at Fort Worth.  She is board certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics.

Dr. Caffey's practice focuses on caring for children of all ages.  She enjoys preventative medicine including maintenance of childhood immunizations, promoting safe environments for children, encouraging healthy eating and lifestyle habits, and advising families how to help promote normal development of their children's bodies and minds.  Dr. Caffey understands that a child's health is greatly improved with the active involvement of his or her family and encourages this by offering support to the entire family.  Her scope of practice includes patients from birth to 18 years old.  In addition to treating common childhood illnesses, she has experience caring for children with asthma, allergies, eczema, and numerous other illnesses.

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. Ann Jimerson is an Assistant Professor of Pediatrics. She received her BA from The University of Texas at Austin. She then completed MD at Texas Tech Health Science Center in Lubbock, TX and her Pediatric residency at Indiana University Medical Center in Indianapolis, Indiana.

Dr. Jimerson specializes in General Pediatrics, with a special interest in adolescent medicine and asthma.

Before joining UTMB in 2014, Dr. Jimerson was an Associate Professor of Pediatrics at Indiana University Medical Group in Indianapolis, Indiana.

Dr. Jimerson is board certified by the American Board of Pediatrics.