Meet our providers

Dr. Bradley Carpentier

Anesthesiology & Interventional Pain Management

Dr. Bradley Carpentier is a board-certified physician specializing in Anesthesiology and Pain Medicine with nearly 30 years of experience caring for patients with acute and chronic pain. He has practiced Pain Medicine exclusively since 1997. He earned his medical degree from The University of Texas Southwestern Medical Center and completed his Anesthesiology residency and Pain Management training at UT Southwestern. He also completed advanced Pain Medicine fellowship training at Royal North Shore Hospital in Sydney, Australia, and Stanford University Medical Center.

Dr. Carpentier is dedicated to providing comprehensive, patient-centered care through advanced, evidence-based treatment options. His clinical interests include neuromodulation and spinal cord stimulation, as well as innovative therapies designed to help patients reduce pain, restore function, and improve quality of life. He has served as an educator and lecturer in the field of pain management and continues to contribute to the advancement of interventional pain care.

Outside of the clinic, Dr. Carpentier enjoys spending time with his family, operating his cattle ranch and cattle breeding program, sailing, mountain climbing, welding, and sculpting.

Dr. Ethan Dalley

Physical Medicine & Rehabilitation & Interventional Pain Management

Dr. Ethan Dalley is a board-certified physician specializing in Physical Medicine and Rehabilitation and Interventional Pain Management, with 13 years of experience providing comprehensive care for patients with acute and chronic pain. He earned his medical degree from Texas Tech University Health Sciences Center before completing his residency in Physical Medicine and Rehabilitation at Johns Hopkins University. He later returned to Texas Tech University Health Sciences Center to complete advanced training in Pain Management.

A Lubbock native, Dr. Dalley considers Lubbock home and is passionate about serving the community he loves. He provides patient-centered care focused on helping individuals manage pain, restore function, and improve their quality of life. His clinical interests include musculoskeletal medicine, non-operative sports medicine, chronic pain management, neuromodulation, intrathecal drug delivery, and nerve conduction/EMG services.

Outside of the clinic, Dr. Dalley enjoys reading, staying active through exercise, spending time with his family, and cheering on Texas Tech athletics.

Dr. Brian Hirsch

Anesthesiology & Interventional Pain Management

Dr. Brian Hirsch is a board-certified physician specializing in Anesthesiology and Pain Medicine, with 11 years of extensive experience providing comprehensive care for patients with acute and chronic pain. Before pursuing medicine, Dr. Hirsch served in the United States Army Reserves as a Medical Laboratory Specialist and earned his Bachelor of Science degree in Construction Engineering Technology from Missouri Western State University. His early career in the utility industry provided him with a unique background and perspective before following his lifelong passion of becoming a physician.

Dr. Hirsch earned his medical degree from the University of Kansas School of Medicine before completing his Anesthesiology residency and Pain Management fellowship at Texas Tech University Health Sciences Center. He is committed to providing personalized, evidence-based care while utilizing advanced interventional techniques to help patients reduce pain, restore function, and improve their quality of life.

Outside of the clinic, Dr. Hirsch enjoys spending time with his three children, Avery, Evan, and Emory, and supporting Texas Tech athletics.

Dr. Bolkar Sahinler

Anesthesiology & Interventional Pain Management

Dr. Bolkar Sahinler is a board-certified physician specializing in Interventional Pain Management with more than 24 years of experience treating patients with acute and chronic pain. He earned his medical degree with honors from the University of Ankara before completing his Anesthesiology residency and Interventional Pain Management fellowship at Texas Tech University Health Sciences Center.

Since 2004, Dr. Sahinler has proudly served the Lubbock community, providing comprehensive, patient-centered care focused on reducing pain, restoring function, and improving quality of life. His clinical interests include neuromodulation, implantable drug therapies, and kyphoplasty for the treatment of osteoporotic fractures.

For more than a decade, Dr. Sahinler has been active with the World Institute of Pain, serving as a speaker, hands-on instructor, and board examiner. Through this work, he helps advance the education and practice of interventional pain management for physicians across the United States and around the world.

Outside of the clinic, Dr. Sahinler enjoys spending time with his family, cheering on the Texas Tech Red Raiders, hunting, and enjoying the outdoors.

Dr. Shiraz Yazdani

Anesthesiology & Interventional Pain Management

Dr. Shiraz Yazdani is a board-certified physician specializing in Interventional Pain Management with more than 15 years of experience treating patients with acute and chronic pain. He earned his bachelor's degree in Psychology from the University of Kentucky before receiving his medical degree from The Ohio State University College of Medicine. He completed his residency in Anesthesiology at Texas Tech University Health Sciences Center, where he served as Chief Resident, and went on to complete his Pain Medicine fellowship at The University of Texas MD Anderson Cancer Center.

Dr. Yazdani is dedicated to providing comprehensive, patient-centered care through advanced, minimally invasive treatment options. His clinical interests include neuromodulation, cancer pain, and cutting-edge spinal interventions designed to reduce pain, restore function, and improve quality of life.

Outside of the clinic, Dr. Yazdani enjoys spending time with his wife and children, traveling, running, and cheering on the Texas Tech Red Raiders.

Dr. Joshua Shroll

Anesthesiology & Interventional Pain Management

Dr. Joshua Shroll is double board-certified in Anesthesiology and Pain Medicine, dedicated to helping patients with difficult and debilitating pain conditions regain their lives and return to the activities they enjoy. He earned his medical degree and a master's degree in public health from Ohio State University, completed his residency in Anesthesiology at the Cleveland Clinic Foundation, where he served as chief resident, and finished his fellowship in Pain Medicine at UCLA, where he stayed on as clinical faculty and Medical Director of UCLA Santa Clarita Pain Medicine.

Dr. Shroll offers each patient the best possible course of treatment for their individual needs. His clinical interests include spinal cord stimulation, intrathecal drug delivery, and other minimally invasive procedures for chronic spine conditions, neuropathies, complex regional pain syndrome (CRPS), and cancer pain, including the use of kyphoplasty for vertebral compression fractures.

Outside of the clinic, Dr. Shroll enjoys spending time with his family and taking in the outdoors on long walks.

Dr. Jack Chapman

Anesthesiology & Interventional Pain Management

Dr. Jack Chapman is double board-certified in Anesthesiology and Pain Medicine, a Diplomate of the American Board of Anesthesiology as well as the American Board of Pain Management. Born in Ft. Worth and raised in the Texas Hill Country, he founded Northwest Anesthesiology and Pain Management in 1991, serving as managing partner for over twenty years, and spent four years as Director of the Pain Division for the largest hospital system in southern Colorado before returning to Texas to live and practice with Tricity in the New Braunfels area.

An honors graduate of Baylor College of Medicine, Dr. Chapman completed his residency and fellowship training at the University of Texas Medical Branch, Galveston. He has served as a clinical professor for Baylor's Pain Fellowship Program, as well as faculty for Stryker, St. Jude's, and Advanced Neuromodulation Systems, and is a member of the American Academy of Pain Management, American Pain Society, North American Neuromodulation Society, and Texas Medical Society.

Outside of the clinic, Dr. Chapman and his wife, Tara, enjoy time with their six children at their second home in Turks and Caicos, where they dive and support the local community. A long-time endurance athlete, he has completed numerous marathons, Ironman races, and open water swims.

Dr. Andrew McDavid

Anesthesiology & Interventional Pain Management

Dr. Andrew McDavid is a board-certified physician specializing in Interventional Pain Management with 40 years of experience caring for patients with acute and chronic pain. He earned his undergraduate degree from The University of Texas at Austin before receiving his medical degree from The University of Texas Medical Branch (UTMB) in Galveston. He completed his residency training at Scott & White.

Throughout his career, Dr. McDavid has been committed to providing compassionate, patient-centered care while helping patients improve function and quality of life. His clinical interests include regenerative medicine and individualized treatment approaches designed to reduce pain, restore function, and improve overall quality of life. Drawing on 40 years of experience, he works closely with each patient to develop personalized care plans that meet their unique needs.

Outside of the clinic, Dr. McDavid enjoys spending time with his family, riding horses and motorcycles, and playing the guitar.