The Medical Opinion Marketplace

Cynthia Schneidler, MD, is an infectious disease physician in Dallas, Texas, with extensive experience caring for patients with complex bacterial, viral, and other infectious conditions. She earned her medical degree from McGovern Medical School at UTHealth and completed residency training in Internal Medicine at The MetroHealth System/Case Western Reserve University. Dr. Schneidler pursued subspecialty fellowship training in Infectious Disease at Baylor College of Medicine. Board certified in Internal Medicine, Dr. Schneidler brings a comprehensive, systems-based approach to diagnosing and managing infections, with attention to evidence-based antimicrobial therapy, coordination of care, and prevention strategies. She has practiced as an independent infectious disease specialist affiliated with Baylor University Medical Center, supporting both inpatient consultation and outpatient follow-up for acute and chronic infectious issues. Dr. Schneidler has been recognized in D Magazine’s “Best Doctors in Dallas” listings in the field of Infectious Disease. She is licensed to practice medicine in Texas and also holds an active California medical license.

Daniel D. Bohl, MD, MPH, is an orthopaedic surgeon specializing in foot and ankle surgery, with clinical expertise in conditions below the knee. His practice focuses on the evaluation and treatment of foot and ankle deformity, traumatic injuries, and degenerative disease, and he incorporates minimally invasive techniques for select problems, including bunions, when appropriate. Dr. Bohl earned his medical degree at Yale University School of Medicine and completed residency training in orthopaedic surgery at Rush University Medical Center. He then pursued advanced fellowship training in foot and ankle surgery at Baylor University Medical Center in Dallas. In addition to his clinical work, Dr. Bohl holds a faculty appointment at Rush University. He is actively involved in orthopaedic research, has authored more than 250 peer-reviewed manuscripts, and participates in clinical research and clinical trials, with reported support from organizations including the National Institutes of Health and the Orthopaedic Research and Education Foundation. He also contributes to the field through academic service as an Associate Editor for Foot & Ankle International and as a peer reviewer for major journals. Dr. Bohl serves as a team surgeon for the Chicago Bulls and Chicago White Sox.

Dr. Linda L. Burk is a board-certified ophthalmologist who provides comprehensive medical and surgical eye care, with particular emphasis on cataract and lens surgery, glaucoma, and corneal disease. She is known for her experience with advanced intraocular lens options, including AcrySof intraocular lens implantation and the AcrySof ReSTOR lens, and has implanted more than 11,000 AcrySof lenses as reported by her practice. Dr. Burk completed her medical education at the University of Michigan, followed by an internship at Northwestern University Medical School and residency training at Duke University Medical Center. She pursued additional fellowship training at Duke University Medical Center and Emory University School of Medicine. In addition to her clinical work, Dr. Burk serves as a Clinical Professor at UT Southwestern Medical School and is affiliated with Texas Health Dallas. She has been featured on the TLC program “The Operation” and has received a “Champions of the Industry” award, as noted by her practice. Dr. Burk is recognized for combining surgical expertise with attentive, patient-centered care.

Edward A. Dominquez, MD, is an infectious disease physician with Methodist Health System in Dallas. He serves as Medical Director of Organ Transplant Infectious Disease at Methodist Dallas Medical Center, providing expert consultation for complex infections in transplant recipients and other immunocompromised patients. Dr. Dominquez earned his medical degree at Baylor College of Medicine, where he also completed residency training in Internal Medicine and a fellowship in Infectious Diseases. He is board certified in Internal Medicine and Infectious Diseases, and is a Fellow of the Infectious Diseases Society of America (FIDSA) and a Fellow of the American College of Physicians (FACP). His clinical interests include organ-transplant infectious diseases, management of infections in patients with weakened immune systems, and challenging bacterial and fungal infections, including resistant organisms such as MRSA. Dr. Dominquez has held prior academic faculty appointments at the University of Nebraska Medical Center and Creighton University Medical Center, reflecting a commitment to education and clinical excellence. In addition to patient care, he has contributed to peer-reviewed infectious diseases research and has served as a public-facing expert, helping educate communities on important infectious disease topics.

Ali Ashraf, MD, is an orthopaedic surgery physician with a focus on orthopaedic sports medicine. He cares for patients with sports-related injuries and a wide range of shoulder, elbow, hip, knee, and ankle conditions, emphasizing minimally invasive techniques such as arthroscopic surgery as well as shoulder arthroplasty when appropriate. Dr. Ashraf is affiliated with Orthopedic Associates of Dallas and also practices at multiple clinic locations across the Dallas-area communities. Dr. Ashraf earned his medical degree from Texas Tech University Health Sciences Center in Lubbock after completing a B.S. in Biology at The University of Texas at Austin. He completed his orthopaedic surgery residency at Texas Tech University Health Sciences Center and pursued advanced fellowship training in orthopaedic sports medicine at Lenox Hill Hospital in New York. He also spent dedicated time at Mayo Clinic in Rochester, Minnesota, conducting orthopaedic surgery research. Dr. Ashraf has contributed to peer-reviewed orthopaedic literature, including work on outcomes in adolescent musculoskeletal conditions. He is affiliated with Texas Health Rockwall and provides care in English, Hindi, Spanish, and Urdu.

Christopher Chun, MD, is an anesthesiologist and pain medicine physician based in Dallas, Texas. He is board certified in Anesthesiology and Pain Medicine by the American Board of Anesthesiology. Dr. Chun earned his medical degree from Loma Linda University School of Medicine, completed residency training in anesthesiology at Loma Linda University Health Education Consortium, and pursued fellowship training in pain medicine at the same institution. Dr. Chun focuses his clinical work on comprehensive pain care, combining careful diagnostic evaluation with individualized treatment planning for patients living with acute and chronic pain. His approach emphasizes multimodal, patient-centered strategies that may include medication management and interventional pain techniques when appropriate. In addition to clinical practice, Dr. Chun has held leadership roles in private practice and has been involved in patient evaluations within Texas’s Compassionate Use Program. He has also contributed to public conversations on responsible pain management, including the role of cannabis-based therapies as a potential alternative for select patients as part of an opioid-sparing plan. He is licensed in Texas and California, with additional multi-state licensure history.

Marc A. Tribble, MD, FACP, FIDSA, AAHIVS, is a Dallas-based physician specializing in Internal Medicine and Infectious Diseases. Board-certified in both Internal Medicine and Infectious Diseases, Dr. Tribble provides comprehensive care ranging from general primary care to the diagnosis and management of complex infectious diseases. His clinical focus includes HIV care, Hepatitis C treatment, and other infectious conditions, with experience caring for thousands of people living with HIV. He has also contributed to the advancement of HIV therapy through participation in numerous clinical trials spanning multiple phases of development. Dr. Tribble completed his undergraduate studies at Baylor University and pursued medical training at The University of Texas Medical Branch in Galveston, Baylor University Medical Center at Dallas, and UT Southwestern-affiliated programs, including Parkland and the VA in Dallas. He is on staff at Baylor University Medical Center at Dallas. Committed to teaching and mentorship, Dr. Tribble is involved in the education of medical students, internal medicine residents, and infectious diseases fellows. He has been recognized in D Magazine’s Best Doctors/Top Doctors listings. Spanish-speaking services are available.

Jan Petrasek, MD, PhD, is a gastroenterology physician with advanced expertise in transplant hepatology, caring for patients with complex liver disease and those being evaluated for or living with liver transplantation. He earned his medical degree from the First Faculty of Medicine at Charles University in Prague and completed residency training in internal medicine at UT Southwestern Medical Center. He pursued fellowship training in gastroenterology and transplant hepatology, including programs at the University of Massachusetts and UT Southwestern. Dr. Petrasek is board-certified in Internal Medicine, Gastroenterology, and Transplant Hepatology. He serves as an adjunct assistant professor in the Department of Medicine, Division of Gastroenterology, at UT Health San Antonio and practices as a hepatologist with the Texas Liver Institute. He is also part of the University Health Texas Liver Tumor Center care team, contributing hepatology expertise to multidisciplinary management of liver tumors. His academic interests include research in alcoholic liver disease, with contributions to studies that helped advance therapeutic approaches and multicenter clinical investigation. Dr. Petrasek has authored numerous peer-reviewed manuscripts, reviews, and book chapters and is an active member of leading professional societies in gastroenterology and transplantation.

Farid Samadzada, DC, is a chiropractor practicing at Lakewood Chiropractic Clinic in Dallas, Texas. With more than three decades of clinical experience, Dr. Samadzada provides chiropractic care focused on helping patients improve function, mobility, and overall spinal health. His care commonly addresses concerns such as neck pain and lower back pain, and he also provides spinal adjustment services for patients seeking relief from musculoskeletal discomfort. Patients may also seek his support for posture- and alignment-related issues, including scoliosis, as part of a comprehensive approach to conservative care. Dr. Samadzada earned his Doctor of Chiropractic degree and has built a long-standing practice centered on attentive evaluation and individualized treatment planning. He emphasizes patient education and practical strategies that support recovery and long-term wellness, tailoring care to each patient’s goals, daily activities, and comfort level. Dr. Samadzada participates in Medicare and accepts Medicare assignment for eligible services.

James F. Thornton, MD, is a physician specializing in plastic surgery at UT Southwestern Medical Center, where he serves as Professor of Plastic Surgery and Director of Facial Reconstruction in the Department of Plastic Surgery. He holds the Ellen L. Heck Chair in Tissue Transplantation. Dr. Thornton earned his medical degree at UT Southwestern Medical School, completed a general surgery residency at UT Southwestern/Parkland, and completed plastic surgery residency training at Emory University. He is board certified by the American Board of Plastic Surgery. Dr. Thornton’s clinical focus includes facial and nasal reconstruction, with particular expertise in reconstruction following Mohs surgery and skin cancer excision. His academic and clinical work is complemented by research interests in biologic agents used in skin and soft tissue reconstruction and techniques to optimize outcomes after Mohs cancer excision. A recognized contributor to the field, Dr. Thornton is editor of the textbook Facial Reconstruction After Mohs Surgery and has authored numerous publications and delivered national lectures on nasal and facial reconstruction. His professional affiliations include the American Society of Maxillofacial Surgeons, the American Society of Plastic Surgeons, and AO North America as Craniofacial Faculty. He has also been recognized by Texas Monthly and Castle Connolly for his clinical excellence. A retired Captain in the U.S. Navy Reserve, he served as a squadron flight surgeon during a long military career.