Providers


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Randal Brown, M.D.

A native of Santa Rosa, Dr. Randal Brown is the Chief Medical Officer at Guadalupe County Hospital and Chief of Staff at Sunrise Medical Group.  He attend the University of New Mexico Medical school and came home in 1993 to practice medicine.

He has been instrumental in maintaining the provision of quality medical care in Guadalupe County, and in recruiting doctors for both Santa Rosa and Tucumcari.  He also serves as a UNM Adjunct Professor and as the preceptor for UNM’s Family Medicine residents training in the clinics and in the hospital.

Dr. Brown is married to Antje Postl and has five children, and many beautiful grandchildren.  His time away from the clinics and hospital includes farming, ranching and occasional construction projects.  He is fluent in Spanish.


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David Calkins, M.D.

Dr. David Calkins is a board certified anesthesiologist who specializes in pain management.  He practices at Sunrise Medical Group in Santa Rosa, New Mexico and is affiliated with Guadalupe County Hospital. He received his medical degree from the University of New Mexico School of Medicine and has been in practice for more than 20 years. He is highly trained and skilled at relieving severe pain.

"Many of us have our lives stolen from us by unnecessary pain and suffering. I, myself, have had many occasions in the Army and in the Navy, to experience constant severe pain. It steals your ability to enjoy and sometimes to even participate in life. Fortunately, the same doctors that relieved my pain, taught me the skills and techniques to apply the latest technology to my patients’ pain.

My ambition is to relieve as much pain in our patients, as possible. Most of what I do involves interventions, rather than prescriptions. I try to identify the source of your pain and then reduce it or completely erase it for as long as possible. By doing so, we can give you, our patients, increased enjoyment and help you return to your jobs, family life and recreation.

If you wish to have less pain and more life, I am a good choice.  The sooner we see you, the sooner you can be with your friends and family and get back to work, play and other activities.  It is a joy, an honor and a privilege to assist others, the way I have been assisted.  Life is too short to live in pain.” Dr. Calkins.

Dr. Calkins speaks multiple languages, including Spanish, Chinese (Mandarin), German and Russian.


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James Gonzales, M.D.

Dr. Gonzales was born and raised in New Mexico.  He graduated from Penasco High School and later attended college in Espanola, and then at the University of New Mexico in Albuquerque.  He graduated from UNM Medical School, while serving as an active member in the Army.  After Medical School, Dr. Gonzales completed a residency in Family Medicine at Texas Tech University.  There, he received training in Family Medicine, Emergency Medicine, and Inpatient Care.

Dr. Gonzales is board certified in Family Medicine and has experience in both civilian and military medicine.  He chose to specialize in Family Medicine because it allows him to treat a wide variety of patients in all care settings.  He takes great pleasure in caring for the whole patient and the entire family, and in getting to know each generation.

Dr. Gonzales and his wife, Ashley, are the parents of three wonderful children.  When not caring for patients, Dr. Gonzales enjoys running, playing basketball, and being outdoors.  Dr. Gonzales is fluent in Spanish.


Estevan Apodaca, M.D.


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Jesus Tafoya, M.D.

I am a board certified family medicine physician born and raised in the city of Las Vegas, NM. In January 2018, I began providing care in Santa Rosa, NM.  I work for Sunrise Medical Clinic at the new Las Vegas site and also provide emergency department coverage at Guadalupe County Hospital.  It is my goal to provide my patients with excellent healthcare.  I practice evidence-based medicine.  I am also very passionate about issues surrounding opioid use in our communities.  I only prescribe opioids in very special circumstances for patients who are in need of them and want to help people get off them as much as possible.  I have extensive training in managing chronic conditions such as diabetes, high blood pressure, hypothyroidism and heart disease.


Antje Postl, N.P.

Antje Postl is a Certified Family Nurse Practitioner at Guadalupe County Hospital and Sunrise Medical Group. In 1988, she obtained her diploma in nursing from University Hospital in Vienna, Austria. After moving to the United States, she finished her education at the University of New Mexico with her Masters Degree in Nursing in 2003.  Being a Certified Diabetes Educator since 2003, Antje sees herself as an educator to help empower people to take charge of and improve their health. She tries to do this with every encounter, particularly in diabetes education.  Antje grew up near Munich Germany and moved to the United States in 1991. Away from the clinic Antje likes to read, go running or skiing and most of all spend time with her family.


Laura Mardo, N.P.

Laura is a Board Certified Family Nurse Practitioner.  She received her Master’s Degree from Walden University. She was a nurse for 20 years before becoming a nurse practitioner, and is trained to care for patients from newborn to geriatrics. Laura has a certification in emergency nursing.

Her family is very important to her and she enjoys spending quality time with them. Her husband and she have been married for 21 years and have four children, two boys and two girls. Her hobbies include cooking, baking, reading, and fishing.


Mary 'Molly' Kenyon, N.P.

Molly received her Bachelor of Science degree in nursing from New Mexico State University in 1989 and has over 25 years experience in health care in many clinical settings, the last three as a family nurse practitioner. She received her Masters in Science in Nursing - Family Nurse Practitioner from Walden University in 2014.

Molly worked at the DeBaca General Hospital until its closure in 2001, at PRMC in Clovis and as Fort Sumner Schools School nurse until 2015 when she joined Sunrise Medical Group full time as a Family Nurse Practitioner.  She also practices at Guadalupe County Hospital.

Molly grew up in Cloudcroft, NM where she lived until she met the love of her life, Clifford, and moved to Fort Sumner NM. in 1989. They own and operate Kenyon Farms in Fort Sumner.  Away from work, Molly enjoys spending time with her family, reading and sports activities, and following the many activities of her children.


Brian Muniz, P.A.