The Medical Opinion Marketplace

Nasser Ayyad, D.O., is a board-certified Physical Medicine and Rehabilitation physician with fellowship training in Interventional Spine and Sports Medicine. He focuses on the evaluation and non-surgical treatment of spine and musculoskeletal conditions, including neck and back pain as well as muscle, joint, and tendon pain. His approach emphasizes restoring function and mobility through individualized rehabilitation plans, often coordinating therapeutic exercise and other conservative strategies to support long-term recovery. Dr. Ayyad holds academic appointments as an Assistant Professor of Clinical Rehabilitation Medicine at Weill Cornell Medical College and an Adjunct Assistant Professor of Rehabilitation and Regenerative Medicine at Columbia University College of Physicians and Surgeons. Clinically, he serves as an Assistant Attending Physiatrist at NewYork-Presbyterian Hospital. He earned his Doctor of Osteopathic Medicine degree from the University of North Texas Health Science Center/Texas College of Osteopathic Medicine, after completing graduate study at the same institution and an undergraduate degree at Stephen F. Austin State University. His scholarly work includes contributions in spine rehabilitation. Dr. Ayyad provides care in English and Spanish.

Ahmed Montaser, M.D., is a psychiatrist who provides compassionate, evidence-based care for individuals and families. He is dual board-certified by the American Board of Psychiatry and Neurology in Adult Psychiatry and in Child & Adolescent Psychiatry. Dr. Montaser works primarily with adolescents and young adults, with a clinical focus that commonly includes anxiety, depression, ADHD, mood concerns, and stress related to school, family dynamics, and major life transitions. Dr. Montaser offers comprehensive psychiatric evaluations and personalized medication management, partnering with patients to clarify diagnoses, set practical goals, and support long-term wellbeing. He provides telehealth services and maintains limited in-person availability to help meet patients’ needs and preferences. His postgraduate training includes experience at Mount Sinai School of Medicine and Emory University School of Medicine, where he completed fellowship training in Child & Adolescent Psychiatry. In addition to clinical practice, Dr. Montaser serves as an Adjunct Clinical Assistant Professor of Psychiatry at Indiana University School of Medicine. He has also contributed professional writing as an author in Psychiatric Times.

Christopher P. Creighton, MD, is a physician specializing in Pain Medicine with a background in Anesthesiology. He is board certified in Anesthesiology and holds subspecialty board certification in Pain Medicine through the American Board of Anesthesiology. Dr. Creighton earned his medical degree from the University of Chicago Pritzker School of Medicine. In addition to his clinical practice, Dr. Creighton has experience in academic medicine, having previously served as an Assistant Professor of Anesthesiology at West Virginia University School of Medicine. He also held leadership roles there, including Co-Director of a Center for Pain Management and a pain fellowship program. Dr. Creighton provides comprehensive evaluation and management for patients living with acute and chronic pain, with a clinical focus consistent with interventional pain medicine. His approach emphasizes thoughtful assessment, individualized treatment planning, and coordination of care to support function and quality of life. He is affiliated with several hospitals in the Dallas–Fort Worth area, including Dallas Medical Center, Medical City Las Colinas Hospital, Baylor Scott & White Medical Center – Plano, and Baylor Scott & White The Heart Hospital – Plano.

Noah Munn Rosenberg, MD, is a board-certified family medicine physician serving patients in the Richardson, Texas area. With more than 15 years of clinical experience, Dr. Rosenberg provides comprehensive primary care for adults and families, emphasizing preventive medicine, chronic disease management, and personalized care plans that reflect each patient’s goals and values. He partners closely with patients to support long-term health through evidence-based screening, lifestyle counseling, medication management, and coordinated care across specialties when needed. Dr. Rosenberg’s professional interests include improving quality and safety in outpatient care. He has been listed as an author on a peer-reviewed patient-safety publication examining the impact of an office-based surgical safety system on patient outcomes, reflecting an ongoing commitment to reliable, patient-centered processes in clinical practice. Licensed to practice medicine in multiple states, Dr. Rosenberg brings broad clinical perspective and a practical, approachable style to everyday healthcare needs. Patients appreciate his focus on clear communication, shared decision-making, and continuity of care across all stages of adult and family health.

James Zerner, MD, is a diagnostic radiologist with a clinical focus in musculoskeletal and spine imaging. He earned his medical degree from Boston University School of Medicine and completed radiology residency training at Baptist Medical Center of Oklahoma, followed by a radiology fellowship at LSU Medical Center. Dr. Zerner is board certified by the American Board of Radiology. Dr. Zerner practices with Texas Radiology Associates, where he serves as a partner, and he supports imaging services across multiple Texas Health facilities, including Texas Health Allen, Alliance, Cleburne, Denton, Flower Mound, Frisco, HEB, Plano, and Stephenville. His work emphasizes accurate, timely image interpretation to help guide diagnosis and treatment planning, particularly for conditions affecting bones, joints, and the spine. In addition to his clinical work, Dr. Zerner brings leadership experience from prior roles as a partner and board member within other radiology groups. He is fluent in English and collaborates closely with referring physicians and care teams to ensure imaging findings are integrated into comprehensive patient care.

Rahul Banerjee, M.D., is a board-certified orthopaedic surgeon with fellowship training in orthopaedic trauma. He cares for patients with acute injuries and complex musculoskeletal problems, with clinical interests that include fracture and trauma care, hip and knee replacement, and advanced reconstruction. His expertise also encompasses challenging conditions such as malunions, nonunions, deformity, infection, leg-length discrepancy, and bone loss, with experience that includes direct anterior hip replacement and complex joint reconstruction techniques. Dr. Banerjee completed his undergraduate education at Brown University, graduating with honors, and earned his medical degree from the University of Chicago Pritzker School of Medicine, where he was inducted into the Alpha Omega Alpha Honor Medical Society. He then completed orthopaedic surgery residency training at Brown University and pursued additional fellowship training in orthopaedic trauma. In addition to clinical practice, Dr. Banerjee has served in academic and teaching roles and has a background of military service, including caring for injured patients and helping train orthopaedic residents. He has contributed to orthopaedic education through published book chapters and is a member of the American Academy of Orthopaedic Surgeons.

Allen Faiz, DDS, is a general practice dentist in Richardson, Texas. Dr. Faiz provides comprehensive dental care with an emphasis on preventive dentistry and patient-centered treatment planning, helping individuals and families maintain long-term oral health and confident smiles. His clinical interests include cosmetic and restorative services as well as implant-focused care, with experience in technologies that support precision and comfort, including laser dentistry. Dr. Faiz is an active member of leading professional organizations, including the American Dental Association, the Academy of Laser Dentistry, the American Academy of Cosmetic Dentistry, the American College of Dentists, and the American Academy of Implant Dentistry. He has also been publicly recognized in an implant-related context through an International Congress of Oral Implantologists publication. Known for a detail-oriented and approachable style, Dr. Faiz prioritizes clear communication and individualized recommendations so patients understand their options and can make informed decisions. He is described in public profiles as having more than 30 years of clinical experience, reflecting a long-standing commitment to serving the community with high standards of care.

Fehmida Zahabi-Unwala, MD, is a rheumatology physician with extensive experience diagnosing and treating autoimmune and inflammatory musculoskeletal conditions. She earned her medical degree from Dow University of Health Sciences / Dow Medical College in Karachi, then completed an Internal Medicine residency at Allegheny Health Network Medical Education Consortium (Western Pennsylvania Hospital). She pursued advanced subspecialty training in rheumatology through a fellowship at UPMC (University of Pittsburgh Medical Center). Dr. Zahabi-Unwala is board certified in Rheumatology by the American Board of Internal Medicine and is a Fellow of the American College of Rheumatology (FACR). Her clinical focus includes comprehensive care for conditions such as rheumatoid arthritis, systemic lupus erythematosus, psoriatic arthritis, ankylosing spondylitis, and osteoporosis, with an emphasis on long-term disease management and improving function and quality of life. She founded Texas Rheumatology Care and remains active in professional organizations, including the American College of Physicians, American Medical Association, Texas Medical Association, Dallas County Medical Society, and the Rheumatology Association of North Texas.

Jarol Baumann, PT, is a licensed physical therapist in Texas who provides orthopedic and sports medicine-focused rehabilitation in Plano. She earned a Master of Science in Physical Therapy from Texas Woman’s University and has been practicing physical therapy since 1993. Ms. Baumann is a board-certified Orthopedic Clinical Specialist (OCS), reflecting advanced expertise in evaluating and treating musculoskeletal conditions. As Clinic Director at Associates Physical Therapy, she combines hands-on clinical care with leadership focused on delivering high-quality, patient-centered services. Her clinical interests include sports-related injuries and orthopedic rehabilitation, supported by advanced training in orthopedic and manual therapy techniques. She works with patients to reduce pain, restore mobility, and improve strength and function through individualized treatment plans that align with each person’s goals and activity demands. Ms. Baumann is committed to helping patients return safely to work, sport, and everyday life with improved movement, confidence, and long-term strategies for injury prevention and performance.

Dr. Eagle T. Knife Chief is a board-certified chiropractor serving patients in Plano, Texas. He is the founder of Eagle Chiropractic Wellness Center, where he provides individualized care with an emphasis on helping patients understand their condition and participate actively in their recovery. Dr. Knife Chief’s approach integrates hands-on chiropractic care with practical, home-based guidance such as targeted exercises and stretching, ice and heat recommendations, and coaching on activity modification and posture awareness to support long-term function and comfort. He earned his Doctor of Chiropractic degree in the late 2000s and has been in practice for more than a decade. Dr. Knife Chief accepts Medicare assignment. He focuses on clear communication, collaborative goal-setting, and structured wellness planning so patients can build sustainable habits beyond the clinic. His practice is designed to support people seeking conservative care for musculoskeletal concerns, with an emphasis on education, prevention, and day-to-day strategies that promote better movement and overall well-being.