Orthopedics & Sports Medicine

Welcome to TPL Orthopedics and Sports Medicine, the practice of Steven C. Thomas, MD, Donald W. Pennington, DO and Justin B. Limtong, DO. Our board-certified surgeons, Dr. Thomas, Dr. Pennington, Dr. Limtong and their staff look forward to providing you with state-of-the-art orthopaedic care.  At the Thomas and Mack Medical Plaza you will find an integration of clinical orthopaedics, physical therapy, outpatient arthroscopy and surgery center, and radiology/lab services all organized to provide you with the pinnacle of diagnosis and treatment facilities.

Please take some time to explore our website.  New patients will find helpful information on Dr. Thomas, Dr. Pennington and Dr. Limtong’s practice and common injuries and problems treated in our office.  You can also find information regarding our billing policies and procedures.  We accept most insurances, with the exception of HMO plans, but please make sure to verify with your insurance if we are in or out of network with your plan.

You have the right to receive considerate, respectful, and compassionate care in a safe setting regardless of your age, gender, race, national origin, religion, sexual orientation, gender identity or disabilities.


Knee, shoulder, elbow and ankle conditions treated at Knee & Shoulder Institute.

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What is

Arthroscopy is a surgical procedure used to diagnose and treat various problems inside joints.

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Pilates &
Physical Therapy

Physical therapy and pilates aim to help our patients improve strength, fitness and well-being.

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Meet Our Doctors

Stephen C. Thomas, MD

Steven C. Thomas, MD

Dr. Thomas is Board Certified in General Orthopaedic Surgery and also holds a Subspecialty Certificate in Orthopaedic Sports Medicine. Dr. Thomas has performed over 30,000 surgeries... LEARN MORE

Don Pennington, M.D

Don Pennington, DO

Dr. Pennington specializes in complex surgeries of the shoulder and knee. He has advanced training in cartilage restoration and joint preservation techniques... LEARN MORE

Justin B. Limtong, D.O

Justin B. Limtong, DO

Dr. Justin Limtong is a fellowship trained Orthopedic Surgeon with a specialized focus on adult hip and knee reconstruction... LEARN MORE

Gregory T. Bigler, MD

Gregory T. Bigler, MD Emeritus

Dr. Bigler is a Board Certified orthopaedic surgeon, fellowship trained in sports medicine and arthroscopy. He has been practicing in Las Vegas since 1991... LEARN MORE

Patient Reviews

“Dr. Bigler is awesome. He takes his time to exam and explain everything. He reviews options and in my case recommended physical therapy over surgery. Not only saving me downtime but also a huge copay...”

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“Dr. Pennington is a wonderful and caring surgeon. He did both my knee and shoulder surgeries in Oregon. Best bedside manner with the most compassionate heart towards his patience. He cares about his patients and the work he has done. ”

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