The Medical Opinion Marketplace

Brent N. Hisey, MD, is a neurosurgeon with SSM Health Medical Group, providing comprehensive neurosurgical care through the SSM Health Neurosciences clinic in Oklahoma City. He specializes in spinal and cranial surgeries, offering evaluation and surgical treatment for a broad range of conditions affecting the brain, spine, and nervous system. Dr. Hisey is board certified by the American Board of Neurological Surgery and is known for combining careful clinical assessment with thoughtful operative planning tailored to each patient’s needs and goals. Dr. Hisey completed both his internship and neurosurgery residency at the Oklahoma University Health Science Center. He has been in practice for decades and brings extensive experience to both routine and complex neurosurgical cases. A long-standing member of the SSM Health St. Anthony Hospital medical staff, he also maintains hospital affiliations within the SSM Health system, supporting continuity of care across multiple locations. Dr. Hisey is committed to clear communication and patient-centered decision-making, emphasizing education, realistic expectations, and coordinated follow-up throughout the course of treatment.

Scott M. De La Garza, MD, is a board-certified orthopedic surgeon specializing in spine care. Fellowship-trained in spine surgery, Dr. De La Garza focuses on adult cervical, thoracic, and lumbar spine conditions, offering comprehensive evaluation and surgical management for a wide range of spinal disorders. He is known for a patient-centered approach that emphasizes careful diagnosis, clear communication, and treatment plans tailored to each individual’s goals and lifestyle. In addition to his clinical practice, Dr. De La Garza has held significant leadership responsibilities, serving for more than a decade as chair of the Department of Musculoskeletal Surgery at SSM Health St. Anthony Hospital. He is affiliated with SSM Health Bone & Joint Hospital at St. Anthony, where he collaborates with multidisciplinary teams to support coordinated, high-quality care. Dr. De La Garza earned his medical degree from the University of Illinois at Chicago College of Medicine. He is a Fellow of the American Academy of Orthopaedic Surgeons and an active member of the North American Spine Society, reflecting his ongoing commitment to excellence and continued advancement in spine care.

William A. Collazo, MD, F.A.C.C., is a cardiovascular disease physician with a focus in interventional cardiology. He cares for patients with a wide range of heart and vascular conditions, emphasizing evidence-based evaluation, risk reduction, and individualized treatment plans tailored to each patient’s goals and overall health. Dr. Collazo earned his medical degree from Baylor College of Medicine. He completed internship and residency training at Fitzsimons Army Medical Center, followed by fellowship training at Fitzsimons Army Medical Center, developing advanced expertise in the diagnosis and management of complex cardiovascular disease. He is board certified by the American Board of Internal Medicine in Internal Medicine and Cardiovascular Disease. As a Fellow of the American College of Cardiology, Dr. Collazo is committed to high standards of clinical excellence and ongoing professional development. Dr. Collazo is affiliated with SSM Health St. Anthony Hospital in Oklahoma City, where he collaborates with multidisciplinary teams to provide coordinated care. He is known for clear communication and a patient-centered approach that supports informed decision-making and long-term cardiovascular wellness.

Charles Bogie, M.D., is a board-certified ophthalmologist who provides comprehensive eye care for adult patients. He evaluates and treats a wide range of eye conditions, with clinical interests that include cataracts, glaucoma, and urgent eye concerns such as injuries and ocular trauma. Dr. Bogie is experienced in cataract surgery and partners closely with patients to create individualized care plans focused on vision, safety, and long-term eye health. Dr. Bogie completed a Bachelor of Science at the University of Oklahoma and continued his medical education through the University of Oklahoma’s combined MD/PhD program. He pursued advanced training at the Dean McGee Eye Institute and completed ophthalmology residency training at Saint Louis University Medical Center. Committed to staying current with evolving diagnostic and surgical techniques, Dr. Bogie is affiliated with the American Eye Study Club. He is known for clear communication and a thoughtful approach that helps patients understand their diagnosis and treatment options. Dr. Bogie provides care in English.

Brooke A. Conkin, PT, DPT, is a licensed physical therapist with over 15 years of experience treating pelvic floor and orthopedic conditions. She is the owner of Conkin Pelvic Health, where she provides individualized pelvic floor physical therapy for patients across the lifespan. Dr. Conkin earned a Bachelor of Science in Biology from Wisconsin Lutheran College and completed her Doctor of Physical Therapy degree at Carroll University in Waukesha, Wisconsin. She has pursued extensive continuing education in pelvic health through the American Physical Therapy Association and other professional organizations, and she is a member of APTA Pelvic Health. Her clinical interests include pregnancy and postpartum care, urinary and fecal incontinence, pelvic organ prolapse, constipation, pelvic pain conditions including pudendal neuralgia, and sexual dysfunction. She also works with pediatric pelvic health concerns such as bedwetting and potty-training difficulties. Dr. Conkin is especially passionate about supporting women after childbirth and encourages proactive postpartum pelvic health screening as part of comprehensive recovery. Virtual consultation options are available to support access to care when in-person visits are not feasible.

Faustino M. Kazenske, DO, is an orthopaedic surgery physician with advanced training focused on hip and knee care. He specializes in lower-extremity reconstruction, including full and partial joint replacement, complex cases, and revision procedures for issues such as infection or implant failure. His approach incorporates modern techniques such as computer-navigated joint replacement and minimally invasive methods when appropriate. Dr. Kazenske completed his medical education at the Texas College of Osteopathic Medicine and went on to complete an orthopaedic surgery residency at Fort Worth Affiliated Hospitals / John Peter Smith Hospital. He pursued additional subspecialty fellowship training in Lower Extremity Reconstruction at Scripps Clinic in La Jolla, California. He also has experience in joint preservation strategies, including osteotomies and cartilage allograft surgery. Board certified by the American Board of Orthopaedic Surgery, Dr. Kazenske is affiliated with area hospitals including Mercy Hospital Oklahoma City and INTEGRIS Baptist Medical Center campuses. He has contributed to peer-reviewed research on infection prevention practices in total knee arthroplasty. Dr. Kazenske provides care in English and is committed to helping patients restore mobility and return to the activities that matter to them.

Greg Halko, M.D., is an orthopaedic surgeon with fellowship training in hand surgery. He provides comprehensive care for conditions affecting the hand, wrist, and elbow, combining specialized expertise with a patient-centered approach to diagnosis and treatment. Dr. Halko earned his medical degree from the University of Oklahoma Health Sciences Center. He completed an orthopaedic surgery residency at the University of Tennessee Health Science Center College of Medicine, followed by a hand surgery fellowship at Thomas Jefferson University Hospital. He is board certified by the American Board of Orthopaedic Surgery and holds subspecialty certification in Surgery of the Hand. In clinical practice, Dr. Halko evaluates and treats a broad range of upper-extremity problems, including traumatic injuries, nerve compression syndromes, tendon disorders, arthritis, and fracture care. He is also recognized as a Qualified Independent Medical Examiner in Oklahoma for workers’ compensation matters within the scope of hands, wrists, and elbows. Dr. Halko practices with Mercy Clinic Orthopedic Associates and is affiliated with Mercy Hospital Oklahoma City.

Dr. Steven Brantley is an orthopaedic surgeon with fellowship training in orthopaedic sports medicine. He earned his medical degree from the University of Oklahoma Health Sciences Center and completed an orthopaedic surgery residency at the University of Cincinnati. He then pursued advanced fellowship training in orthopaedic sports medicine at Emory University. Board certified by the American Board of Orthopaedic Surgery, Dr. Brantley provides comprehensive care for musculoskeletal conditions and injuries, with a clinical focus that includes sports-related problems. His training supports both operative and nonoperative approaches aimed at restoring function, reducing pain, and helping patients return to work, daily activities, and athletics. Dr. Brantley is affiliated with Mercy Hospital Oklahoma City and sees patients through Mercy Clinic Orthopedic Associates in Oklahoma City, with an additional practice location in Edmond. He is also listed as a qualified independent medical examiner in orthopaedic surgery by the Oklahoma Workers’ Compensation Commission. Dr. Brantley welcomes patients in English and is committed to clear communication and evidence-based care.

Richard Ruffin, M.D., is an orthopaedic surgeon with advanced training in hand surgery. He practices with Mercy Clinic Orthopedic Associates in Oklahoma City, providing comprehensive care for conditions affecting the upper extremity. Dr. Ruffin’s clinical interests include hand and elbow disorders, shoulder problems, and orthopedic sports medicine, with an emphasis on helping patients restore function, reduce pain, and safely return to work, sport, and daily activities. Dr. Ruffin earned his medical degree from the University of Oklahoma College of Medicine and completed orthopaedic surgery residency training at the University of Iowa Health Care Medical Center. He further specialized through a fellowship in hand surgery at the University of Louisville School of Medicine. He is board certified by the American Board of Orthopaedic Surgery in Orthopaedic Surgery and holds subspecialty board certification in Surgery of the Hand. In addition to his clinical practice, Dr. Ruffin has been listed as a physician owner of an orthopaedic ambulatory surgery center, reflecting involvement in efficient, patient-centered surgical care delivery.

Michael E. Kiehn, MD, is an orthopaedic surgeon with a clinical focus in sports medicine. He cares for patients with a wide range of musculoskeletal injuries and conditions, with particular expertise in helping active individuals return to work, daily activities, and athletic performance through personalized, evidence-based treatment plans. Dr. Kiehn earned his medical degree from the University of Oklahoma Health Sciences Center. He completed residency training in orthopaedic surgery at Emory University, followed by advanced fellowship training in orthopaedic sports medicine at Jackson Memorial Hospital/University of Miami-Jackson Health System. He is board certified by the American Board of Orthopaedic Surgery. In practice, Dr. Kiehn emphasizes careful evaluation, clear communication, and shared decision-making. He tailors care to each patient’s goals, integrating non-surgical options when appropriate and offering surgical solutions when needed. He is affiliated with Mercy Hospital Oklahoma City and provides care in English.