Primary Care Associates

Finding a family care physician can be a challenging process, but at Guadalupe Regional Medical Group (GRMG) we try to make things as easy as possible. All our family practice physicians can take care of your entire family, whether infants, children, teens, adults or seniors. By being able to care for your whole family, it’s not only convenient for you, but it also provid​es the physician an ongoing family medical history. In a community like Seguin, we love to take care of our patients and their families – now, and well into the future.

Meet Our Providers

Brett Earnest, MD

830.433.7815

1761 South, TX-46 Suite 104, New Braunfels, TX 78130

Esther Robbins, MD

830.433.7030

411 S. King Street, Seguin, TX 78155

Frank Wright, MD

830.484.4200

411 S. King Street, Seguin, TX 78155

Lance Montgomery, DO

830.433.7030

411 S. King Street, Seguin, TX 78155

Holly Batterton, FNP

830.433.7030

Gretchen Fulkerson, NP-C

830.433.7815

Carolyn Noyes, DNP, FNP-C

830.484.4200

411 S. King Street, Seguin, TX 78155

Abby Steck, MSN, FNP-C

830.484.4200

411 S. King Street, Seguin, TX 78155

Brett Earnest, MD

To make an appointment with Dr. Earnest, please call
830.433.7815

LEARN MORE ABOUT DR. EARNEST

Dr. Brett Earnest is a board-certified Primary Care Physician who has been caring for families in the New Braunfels community since 2012. He earned his medical degree from The University of Texas Southwestern Medical Center and completed his residency at The University of Colorado with training in women’s health and obstetrics. Dr. Earnest went on to receive his Family Medicine Obstetrics Fellowship through UT Southwestern in Austin. Dr. Earnest aims to deliver effective, efficient, and personalized care that acknowledges each patient as an individual. He enjoys caring for the whole family, from newborns to senior care.


Clinic Location

1761 South, TX-46 Suite 104,
New Braunfels, TX 78130

Esther Robbins, MD

To make an appointment with Dr. Robbins, please call
830.433.7030

LEARN MORE ABOUT DR. ROBBINS

Dr. Esther Robbins completed her residency at Texas Tech University Health Sciences Center and was a faculty physician with the Department of Family and Community Medicine for three years. While in Lubbock, she practiced full-spectrum family medicine while training residents and medical students. Her goal is to empower her patients to take control of their own health while providing comprehensive family care, including pediatric, adult, gynecologic, and geriatric care. Dr. Robbins and her family enjoy being active members of Seguin.​


Clinic Location

411 S. King Street, Seguin, TX 78155

Frank Wright, MD

To make an appointment with Dr. Wright, please call
830.484.4200

Dr. Frank Wright was born and raised in Laredo where he began his career as a family physician caring for patients of all ages. He is very familiar with Central Texas as well, having obtained his undergraduate degree at Texas State University and completed medical training at University of  Texas Medical Branch at Galveston. His desire to integrate into a collegiate, well connected medical community and to rededicate himself to long term primary care relationships with his patients has led Dr. Wright to find his professional home in Seguin. Dr. Wright specializes in comprehensive family care including adult, gynecologic and geriatric care, as well as occupational medicine. In addition to the wealth of medical expertise Dr. Wright also speaks Spanish fluently.


Clinic Location

411 S. King Street, Seguin, TX 78155

Lance Montgomery, DO

​To make an appointment with Dr. Montgomery, please call
830.433.7030

LEARN MORE ABOUT DR. MONTGOMERY

Dr. Lance Montgomery completed his medical training at the University of North Texas Health Science Center Texas College of Osteopathic Medicine, followed by residencies at acclaimed clinical and training healthcare facility John Peter Smith in Forth Worth, Texas. Originally from Gonzales, Dr. Montgomery and his wife look forward to coming back to the Seguin area to establish roots and serve the community.


Clinic Location

411 S. King Street, Seguin, TX 78155

Holly Batterton, FNP

To make an appointment with​ Holly Batterton, FNP, please call
830.433.7030

Holly Batterton, FNP, brings nearly a decade of diverse healthcare experience to Guadalupe Regional Medical Group. Beginning as a Registered Nurse she specialized in post-cardiovascular and ICU patient care, eventually transitioning to emergency care at a Level I cardiovascular and stroke center. Most recently, Holly thrived in a fast-paced Level II Trauma Center as a primary trauma nurse. Notably, Holly was praised for her contributions to patient safety, earning the highest merits for her commitment to excellence with three Daisy Award nominations.

Holly’s exceptional organizational and interpersonal skills have consistently enhanced team dynamics, leading to outstanding patient care. Holly continues to elevate healthcare standards, ensuring every patient receives optimal care.


Clinic Location

411 S. King Street, Seguin, TX 78155

Gretchen Fulkerson, NP-C

To make an appointment with Gretchen Fulkerson, NP-C, please call
830.433.7815

Bio coming soon.


Clinic Location

1761 South, TX-46 Suite 104, New Braunfels, TX 78130

Carolyn Noyes, DNP, FNP-C

To make an appointment with Carolyn Noyes, DNP, FNP-C, please call
830.484.4200

Carolyn Noyes, DNP, FNP-C, is a board certified family nurse practitioner. She earned her Doctorate of Nursing Practice from the University of Massachusetts after working as a registered nurse for almost 8 years. Carolyn has worked in a variety of inpatient and outpatient settings including cardiology, corrections, forensics, and pediatrics. She grew up in the Northeast and has also lived in Central America (Nicaragua) where she became fluent in Spanish. In her spare time she loves to scuba dive, hike, and play with her fluffy dog.


Clinic Location

411 S. King Street, Seguin, TX 78155

Abby Steck, MSN, FNP-C

To make an appointment with​ Abby Steck, MSN, FNP-C, please call
830.484.4200

Abby Steck, MSN, FNP-C, is a Certified Family Nurse Practitioner for GRMG Primary Care Associates. Abby received her Bachelor of Nursing and Masters of Nursing from the University of Texas at Arlington. Her clinical background includes over 7 years of nursing experience in emergency medicine and the intensive care unit (ICU). Abby is dedicated to providing primary care with her knowledge and skills gained through experience in emergency and intensive care settings. Her goal is to deliver compassionate care by committing to the community of Seguin and surrounding areas through preventative care and health education.


Clinic Location

411 S. King Street, Seguin, TX 78155