A decorated veteran that served in the Medical Corps in Iraq, Dr. Neely-Shelmire is a board-certified pediatrician with a passion for partnering with parents to raise healthy children through wellness goals, good nutrition, physical activity, healthy sleep habits, and an approach that balances the physical, emotional and developmental aspects of being a child. A parent herself with two adult sons and a host of nieces and nephews, she enjoys spending her free time running, kayaking and with family. She holds professional memberships with the Texas Medical Association, the Texas Pediatric Society, the American Academy of Pediatrics and the Catholic Medical Association. Awards and honors she’s received during her career include:

• Combat Medic Badge
• National Defense Service Medal
• Armed Forces Reserve Medal
• (2nd)Army Commendation Medal
• Global War on Terrorism Expeditionary Medal
• Global War on Terrorism Service Medal
• Army Service Ribbon
• Pediatrics Resident/Intern Award
• Service Leadership Award
• Dean’s Honor Roll
• Honor Scholar

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!

Ms. John joined the Department of Family Medicine in 2017.

Ms. John earned a Bachelor of Science in Nursing from Leelabai Thackersey College of Nursing at SNDT Women's University in Churchgate, Mumbai, India. She also earned earned a Bachelor of Science in Nursing, as well as a Master of Science in Nursing, from the Prairie View A&M College of Nursing in Houston, Texas.

She is certified as a Family Nurse Practitioner by the American Academy of Nurse Practitioners (AANP) and is licensed by the Texas Board of Nursing.

I am MBSR (Mindfulness Base Stress Reduction) certified, and a Board-certified pediatrician, with a passion for promoting well-being and mental health.

When not working with patients, I love to travel with my family and explore new cultures. I enjoy going to musical theater a passion I share with my kids. I also enjoy reading and attending book club with friends, where I can engage in lively discussion about literature and life.

My ultimate goal is to provide the best care possible to patients as they navigate through each developmental stage. I believe in being there for patients and their families during the process, offering support and guidance every step of the way.

 Provider is LGBTQIA+ Responsive

Leslie Nabors was born in Mississippi and moved to Texas early in her childhood. She stayed in this great state and pursued a Bachelor's of Science in Health at Texas A&M University. After graduating from Texas A&M, she worked for a year in the Texas Medical Center where she prepared for enrollment into the physician assistant program at the University of Texas Medical Branch in Galveston, Texas. She finished her training and graduated with a Masters of Physician Assistant Studies in August 2015. She is currently treating patients at the UTMB Health Family Medicine clinic in Angleton, Texas.

Roxanna Sanchez began her nursing career with her Bachelor's of Science in Nursing from the University of Texas Medical Branch (UTMB) graduating in 2008. Upon graduation, Roxanna went to work at the Texas Medical Center as an operating room and perioperative nurse working with children and adults. Roxanna's dedication towards her patients and passion for aiding in the healthcare of others lead her to pursue her Master's degree of Nursing. She wanted to be more closely involved in her patients' care and began her degree as a Family Nurse Practitioner and graduated from UTMB in 2012. She currently helps prepare future nurse practitioner students by being their mentor during clinical rotations.

Roxanna is board certified as a Family Nurse Practitioner by the American Academy of Nurse Practitioners, is bilingual and also a member of the International Nursing Honors Society, Sigma Theta Tau. She is a member of the Galveston Coalition of Advanced Practice Nurses.

Dr. Elam was born and raised in Lake Jackson, and returned to the community after completion of her medical training.

She is passionate about vaccine advocacy and behavioral health. She currently lives in Lake Jackson with her husband and their very active toddler. She enjoys spending time outdoors, especially at the beach or river.

Dr. Priscila Emmanuel Martinez was born and raised in Chihuahua, Mexico. She received her Bachelor of Science degree in Biology from the University of Texas at San Antonio in San Antonio, TX. She earned her medical degree from the University of Texas Medical Branch in Galveston, TX and subsequently completed her residency in Pediatrics at UTMB.

Her major areas of interests consist of urgent care, adolescent medicine and patient advocacy. She is also interested in medical student and resident teaching.

When not working in the office, Dr. Martinez enjoys spending time with her husband and daughter. She has a passion for singing and is fond of swimming.

After being a Labor and Delivery / Nursery / Postpartum nurse for over 9 years, I decided to further my education and pursue a career in pediatrics. I have been practicing pediatrics in the Brazosport area for the last 3 years. I am passionate about providing quality, compassionate care to children as well as their families. I am married with two children and live in the Brazosport area, where I was born and raised. I enjoy spending time with my family, traveling, anything outdoors, and watching my son and daughter grow and excel in the extracurricular activities they are involved in.

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.