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Our Tests

About Us

Our primary goal is to provide quality medical care to every patient. We strive to maintain a high level of professionalism in carrying out our duties as your medical team. We have every tool your company needs to provide medical attention, abiding by OSHA and DOT standards, provided by a leading and experienced medical team.


Daryl Stinson M.D.

For over 25 years, Dr. Stinson has been a Family Physician in the Mission and McAllen Area. He grew up in Brownsville and at the age of 18 left to Monterrey to follow his own family doctor’s footsteps, getting his prepa and medical at the Universidad Autonoma de Nuevo Leon. He then trained in McAllen from 1991 to 1994 at the McAllen UT Family Medicine residency program. In 1994 Dr. Stinson opened his Family Medicine and Obstetrics clinic in Mission. He later included industrial medicine to his clinic. ​

Dr. Stinson’s career has been that of primary care, treating all ages from newborns through adults. He stresses improving health by improving lifestyle. He understands that the most common chronic health problems here in our community can be improved and treated just with lifestyle changes that are easy to follow. For 15 years, Dr. Stinson’s patients have been reversing obesity and early stages of type II diabetes with his guidance. 

Luke Koong PA-C

Mr. Luke Koong is a certified physician assistant who has been trained and specializes in family medicine and preventative care. He completed his Masters of Physician Assistant Studies in 2019 from The University of Texas-Rio Grande Valley in Edinburg, Texas. Prior to becoming a physician assistant, Luke completed a Doctorate of Philosophy in Cell Biology in 2014 from the University of Texas Medical Branch in Galveston, Texas. His research examined how hormones found in our body, in the drugs we use, and in the environment change how cancer cells behave and grow. Luke hopes to use what he has learned to prevent and improve the health of the communities in the RGV.


Contacts by department:

Physical Medicine Department:

Rick Olivares: 956-608-6467

Danny Mejia: 956-391-2967

Results Department:

Pablo Maldonado:  956-725-1946

Worker's Compensation Department:

Jorge Zuniga:  956-290-9369

Billing Department:

Nicole Castillo:  956-704-1495

Medical Assistants/Drug Testing Department:

Nora Lara:  956-217-0004

Nurse's Station: 956-704-1496

Front Desk

Yovanna Fuentes:  956-618-2400

Chief Operating Officer:

Janie Olivares:  956-750-5013

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