The Medical Opinion Marketplace

Dr. David Garcia is an osteopathic physician with a clinical background in emergency medicine and a broad, multidisciplinary approach to patient care. He earned his Doctor of Osteopathic Medicine degree from Ohio University Heritage College of Osteopathic Medicine and completed graduate medical training in family medicine through University Hospitals Community Consortium. Dr. Garcia is board certified in family practice and holds a Certificate of Added Qualifications in addiction medicine through the American Osteopathic Board of Family Physicians. He also holds a Certificate of Added Qualifications in occupational medicine through the American Osteopathic Board of Preventive Medicine. Dr. Garcia’s experience spans acute care decision-making as well as longitudinal, whole-person care, emphasizing evidence-based treatment plans and patient education. He is affiliated with OhioHealth Grant Medical Center and brings a collaborative style to coordinating care across specialties when needed. Dr. Garcia is a member of the American Osteopathic Association and the American Society of Addiction Medicine. Licensed in multiple states, he has served diverse patient populations and is committed to helping individuals achieve better health through attentive listening, practical guidance, and personalized medical support.

Dr. Christopher Holzaepfel is an orthopaedic surgeon who has served patients in the Westerville, Ohio area. He earned his medical degree from The Ohio State University College of Medicine and completed residency training in orthopaedic surgery at Wright State University. Dr. Holzaepfel is board certified in Orthopaedic Surgery by the American Board of Orthopaedic Surgery. Over the course of his career, Dr. Holzaepfel practiced in several well-known local orthopaedic groups, including Westerville Orthopedics and The Cardinal Orthopaedic Institute, and later practiced with Orthopedic ONE. He has also held hospital privileges at Columbus Springs Dublin. Dr. Holzaepfel is recognized for a patient-centered approach focused on careful evaluation, clear communication, and evidence-based treatment planning. His experience spans the breadth of orthopaedic care, with an emphasis on helping patients return to function and improve quality of life through both non-operative and surgical management when appropriate. He has since retired from active clinical practice.

Jacob Clarence Schultz, MD, is a family medicine physician with Mount Carmel Medical Group and a member of Mount Carmel Health Partners. He provides comprehensive primary care for patients across the lifespan, focusing on prevention, early detection, and the long-term management of common acute and chronic conditions. Dr. Schultz emphasizes a patient-centered approach grounded in clear communication, shared decision-making, and practical care plans tailored to each individual’s goals, lifestyle, and health history. Dr. Schultz earned his medical degree from the University of Toledo College of Medicine and completed residency training at Mount Carmel Health System. He is board certified in family medicine. In clinical practice, he values building enduring relationships with patients and families, coordinating care across specialties when needed, and supporting overall wellness through evidence-based screening, risk reduction, and health education. Whether addressing same-day concerns or ongoing health needs, Dr. Schultz works to create a welcoming environment where patients feel heard, informed, and supported throughout every stage of care.

Dru Garcia, PhD, MBA, is a clinical neuropsychologist providing comprehensive neuropsychological and psychological evaluation services for teens, adults, and older adults. Dr. Garcia specializes in diagnostic clarification and evidence-based recommendations that translate assessment results into practical, individualized next steps for patients, families, and referring professionals. Clinical assessment interests include concerns such as memory changes, attention and focus, processing speed, and emotional regulation. Dr. Garcia also evaluates cognitive and emotional functioning related to concussion or traumatic brain injury, stroke, and the impact of chronic medical conditions or stress. Assessments may include differential diagnosis questions involving ADHD, learning differences, autism spectrum conditions, and dementias. In addition to clinical evaluations, Dr. Garcia performs independent medical examinations and prepares medico-legal reports, including Fitness-for-Duty evaluations when appropriate. Dr. Garcia completed post-doctoral specialization training in neuropsychology at Fielding Graduate University and brings extensive experience to each evaluation, with an emphasis on careful measurement, clear communication, and respectful, patient-centered care.

Raymond J. Kobus, MD, is an orthopaedic hand surgeon in Columbus, Ohio, with more than three decades of experience caring for conditions affecting the hand, wrist, and upper extremity. He earned his medical degree from Wright State University Boonshoft School of Medicine and completed an orthopaedic surgery internship and residency at The Ohio State University Wexner Medical Center. He then pursued advanced fellowship training in hand and microsurgery at the Philadelphia Hand to Shoulder Center at Thomas Jefferson University Hospital. Dr. Kobus’s clinical interests include minimally invasive fracture repair; evaluation and treatment of sports-related and wrist injuries, including fractures in young athletes; management of arthritic conditions of the hand and wrist; and care for nerve-compression disorders such as carpal tunnel and cubital tunnel syndromes, including endoscopic carpal tunnel release. He is active in professional societies including the American Society for Surgery of the Hand, the American Society for Reconstructive Microsurgery, and the American Academy of Orthopaedic Surgeons. Dr. Kobus has also contributed to peer-reviewed clinical outcomes research in hand surgery.

James Nappi, MD, is a physician specializing in Surgery of the Hand within the field of plastic surgery. He is board-certified in Plastic Surgery and holds a Certificate of Added Qualifications in Surgery of the Hand. Dr. Nappi completed medical school at The Ohio State University, followed by internship and surgical residency training at Summa Akron City Hospital. He then completed a plastic surgery residency at The Ohio State University and advanced fellowship training in hand and upper extremity surgery at the Curtis National Hand Center in Baltimore. A founding member of Hand and Microsurgery Associates, Dr. Nappi practiced orthopedic hand surgery there for many years and is now retired from private practice. He continues to contribute to the organization by working with the Board as counsel on special projects. Clinically, Dr. Nappi’s experience includes injuries of the fingers, hand, wrist, and arm, with particular interest in sports injuries and fractures in young athletes. His areas of focus also include wrist injuries and minimally invasive fracture repair, arthritic conditions of the hand and wrist, endoscopic carpal and cubital tunnel release, and treatment of Dupuytren’s disease, including minimally invasive needle aponeurotomy. He is a member of the American Society for Surgery of the Hand, the American Society for Reconstructive Microsurgery, and the American Society of Peripheral Nerve.

Paul Cook, MD, is an orthopaedic hand surgery physician in Columbus, Ohio, specializing in the diagnosis and treatment of hand, wrist, and upper-extremity conditions. He practices with Hand and Microsurgery Associates and is a board-certified orthopedic surgeon with a Certificate of Added Qualification in Hand and Microsurgery. Dr. Cook earned his medical degree at Northeast Ohio Medical University (NEOMED). He completed an orthopedic surgery residency at The Ohio State University Wexner Medical Center, followed by advanced fellowship training in hand surgery at MedStar Union Memorial Hospital in Baltimore. His clinical interests include comprehensive care for hand and wrist arthritis, minimally invasive management of fractures and sprains, and nerve compression conditions. He performs procedures such as endoscopic carpal tunnel release and cubital tunnel release, tailoring treatment plans to each patient’s goals and functional needs. Dr. Cook is affiliated with OhioHealth Dublin Methodist Hospital. He is an active member of professional organizations including the American Society for Surgery of the Hand, the American Society for Reconstructive Microsurgery, and the American Academy of Orthopaedic Surgeons.

Gerald Michael Rosenberg, MD, is a board-certified orthopaedic surgeon with subspecialty training in Hand and Upper Extremity Surgery. He earned his undergraduate degree from Miami University and received his medical degree from The Ohio State University College of Medicine. He completed an orthopaedic surgery residency at Mount Carmel Medical Center and advanced fellowship training in Hand and Upper Extremity Surgery at the Hospital for Special Surgery/Cornell Medical Center in New York City. Dr. Rosenberg’s career has centered on conditions affecting the shoulder, elbow, wrist, and hand. He is a Fellow of the American Academy of Orthopaedic Surgeons and has also completed an MBA at The Ohio State University Fisher College of Business, reflecting an added focus on leadership and healthcare systems. His experience includes academic involvement at The Ohio State University Wexner Medical Center and clinical service as an orthopedic surgeon with a Veterans Affairs ambulatory care center. In addition to clinical practice, Dr. Rosenberg has contributed to orthopaedic innovation through work with Stryker on implant development and holds a patent related to a pegged glenoid design. He currently focuses on medical-legal orthopaedics, providing case reviews, consultations, and independent medical evaluations, including virtual IMEs.

James A. Natalie, MD, is a Physical Medicine & Rehabilitation physician with advanced training in sports medicine. He is board certified in Physical Medicine & Rehabilitation by the American Board of Physical Medicine and Rehabilitation and holds subspecialty certification in Sports Medicine. Dr. Natalie earned his medical degree from The Ohio State University College of Medicine and completed internship training at Riverside Methodist Hospital. He went on to complete residency training in Physical Medicine & Rehabilitation, followed by a Sports Medicine fellowship at Mayo Clinic in Jacksonville. Dr. Natalie provides non-surgical, function-focused care for patients seeking to recover from injury, reduce pain, and return to work, sport, and daily activities. His background in rehabilitation and sports medicine supports a comprehensive approach that emphasizes accurate diagnosis, individualized treatment planning, and coordinated care. In addition to his clinical work, Dr. Natalie serves as a Board Member for Central Ohio Primary Care and is affiliated with Mount Carmel Health Partners.

Bryan T. Chambers, MD, is an adult reconstructive orthopedic surgeon specializing in hip and knee replacement and complex joint reconstruction. He focuses on helping patients regain mobility and reduce pain from degenerative joint conditions such as hip arthritis and knee osteoarthritis. Dr. Chambers completed undergraduate study at Case Western Reserve University and earned his medical degree from Temple University School of Medicine. He completed orthopedic residency training at Mount Carmel Medical Center and advanced fellowship training in adult reconstruction at Cleveland Clinic. In practice, Dr. Chambers commonly performs total hip replacement, total knee replacement, and revision hip and knee surgery. His clinical approach emphasizes thoughtful evaluation, evidence-based treatment options, and individualized surgical planning to support durable outcomes and function. Dr. Chambers is a member of the American Association of Hip and Knee Surgeons. He has contributed to orthopedic scholarship with publications in professional journals, including the Journal of Arthroplasty. He has also been recognized as one of the “Best Doctors in America®.” He performs surgery at Mount Carmel St. Ann’s Hospital and the Surgery Center at Easton.