Primary Care Associates

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

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.

​To make an appointment with Dr. Montgomery, please call
830.484.4200

Lance Montgomery, DO, is a family medicine physician dedicated to providing comprehensive care for patients of all ages. A graduate of the Texas College of Osteopathic Medicine in Fort Worth, he completed his residency at the well-regarded John Peter Smith program, with training in full-spectrum and rural family medicine.

Dr. Montgomery values the ability to see the big picture—helping patients manage complex care across multiple specialists while also caring for entire families. A native of the area, he’s proud to return home to serve his community and build long-term relationships with his patients.

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

Eliezer Ortiz, MD, is a primary care physician passionate about building lifelong relationships with his patients. Born and raised in San Antonio, he is a first-generation Mexican American who completed his undergraduate studies at UT Austin and earned his medical degree in San Antonio.

Dr. Ortiz chose primary care to make a lasting impact—caring for patients from newborns to seniors and guiding them through every stage of life. As a Spanish-speaking physician, he takes pride in connecting with his community and understanding the barriers many patients face when accessing care. His goal is to help patients take charge of their health and experience the lasting benefits of preventive care.

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

Esther Robbins, MD is a compassionate family medicine physician who knew from a young age that she was called to care for others. Her love for medicine grew as she discovered the joy of treating patients across all generations—children, parents, and grandparents alike. During her family medicine rotation, she felt an instant connection with the specialty and knew it was where she belonged.

Dr. Robbins provides comprehensive care for patients of all ages, from newborn visits and well-child checks to adult physicals and Medicare wellness exams. What she values most is the deep trust and connection she builds with her patients—caring for them like family and creating a space where they feel seen and heard. Guided by faith and purpose, she brings genuine care and dedication to every patient she meets.

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.

To make an appointment with​ Holly Batterton, FNP, please call
830.484.4200

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.



To make an appointment with Britney Friesenhahn, PA, please call
830.433.7815

Britney Friesenhahn, Physician Assistant, completed her undergraduate degree at St. Mary’s University and her master’s degree in Physician Assistant Studies at Texas Tech University Health Sciences Center. With over 15 years of diverse clinical experience spanning family medicine, allergy and asthma, and orthopedics, Britney brings a wealth of expertise to her role in Family Medicine.

Her dedication to caring for patients of all ages and her passion for comprehensive family care led her to back Family Medicine. Britney is proficient in managing a wide range of conditions, from diabetes and thyroid disorders to osteoporosis and musculoskeletal conditions, focusing on treating the whole person and addressing all their medical needs.

Britney’s approach to patient care is centered on empowering patients with up-to-date medical knowledge to make informed decisions about their health. She views herself as a collaborative team member in each patient’s health journey, striving to help them achieve their personal health goals and live their best lives.

Beyond her clinical practice, Britney finds fulfillment in spending time with her family and volunteering for church, school, and 4H activities. An avid gardener with 14 flower beds and a greenhouse boasting over 350 potted plants, she also enjoys quilting and sewing in her spare time.

To make an appointment with Gretchen L. Fulkerson, APRN, FNP-C, please call
830.433.7815

Gretchen, a native of Remington, Indiana, relocated to New Braunfels in the spring of 2021 with her family. She earned her Bachelor of Science in Nursing from Purdue University and gained five years of experience as a Registered Nurse in both hospital and clinic settings. Pursuing further education, Gretchen obtained her Master of Science in Nursing from Mississippi University for Women and became board certified by the American Association of Nurse Practitioners in 2011. Throughout her career, she has accumulated diverse experience in pediatrics, plastic surgery, student health, and family medicine, due to various relocations with her husband’s career in the United States Air Force. Gretchen is excited for the opportunity to be a part of the GRMG family and looks forward to meeting and caring for the community!

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.

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.