Meet the Team

Basin Orthopedic Surgical Specialists

The providers and staff at Basin Orthopedic Surgical Specialists in Odessa, Texas welcome you! Specializing in orthopedic and sports medicine conditions including diagnostics, prevention, and treatment, we offer personalized care and optimum patient outcomes.


Steven C. Riley, MD

Bradley W. Dyrstad, MD

Mark Eilers, MD

Our Staff


Guylene is our Director of Clinical Operations. Her duties include scheduling surgeries for Drs. Riley, Dyrstad, and Eilers. In addition, she processes Family Medical Leave (FMLA) and Disability applications. She can be reached at (432) 332-2663, ext. 233.


Melissa is our Billing Office Supervisor. She oversees billing and worker’s compensation claims. She can be reached at (432) 332-2663, ext. 224.

Mary and Nidia

Mary and Nidia are our receptionists. They oversee appointment scheduling and scheduling physician referrals, and can be reached at (432) 332-2663, ext. 222.


Carla is our cashier, and also assists with appointment scheduling and insurance verification. She can be reached at (432) 332-2663, ext. 243.

Elizabeth and Shannon

Elizabeth and Shannon are our Certified Radiology Technicians, who obtain X-rays and DEXA scans, as well as assist in ultrasound guided treatments.

Ana and Madison

Ana and Madison are our Medical Assistants. They assist Drs. Riley, Dyrstad, and Eilers with clinical duties.


Rose is our collections supervisor, and oversees collections for Drs. Riley, Dyrstad, and Eilers.


Karen is in charge of the Medical Records for the office.

Advanced Techniques with Smith & Nephew

We offer patient-specific and robotic-assisted procedures designed to custom fit your joint replacement parts to your unique anatomical structures.

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Education & Videos

Our award-winning online library is complete with procedure videos, preventive tips, and everything else you ever wanted to know about orthopedic and sports medicine conditions.

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From the ​​​​​​
Doctor's Desk

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