Our Physicians

Our renowned Tampa spine surgeons perform a wide array of procedures ranging from injections to scoliosis correction, lumbar disc replacements and fusion techniques, facet replacements and motion preservation.

Our multidisciplinary approach brings doctors of different specialties together to help our patients achieve the best possible outcomes. Tampa surgeons at AdventHealth Carrollwood are on the cutting edge of their specialty, frequently involved in studies of new devices and implants that can help patients regain mobility and better manage chronic pain. In fact, they teach other surgeons the same results-proven techniques used at AdventHealth Carrollwood.

Sheyan J. Armaghani, MD

Dr. Armaghani received his fellowship training in adult spinal surgery at the Emory University School of Medicine, widely considered one of the top spine fellowships in the country. He is board eligible by the American Board of Orthopedic Surgery. As a spine surgeon specializing in degenerative spine conditions, he has a particular interest in the causes and treatments of neck pain and back pain, although he treats all spinal disorders. Dr. Armaghani uses a nonsurgical approach and minimally invasive techniques with the goal of returning his patients back to enjoying the activities they love, in the safest way possible.

Dr. Armaghani was born and raised in Gainesville, FL where he was accepted into an accelerated undergraduate/medical school program at the University of Florida. Following medical school, he completed his residency at Vanderbilt University where he was named chief resident and was granted awards for his research. Dr. Armaghani has co-authored over twenty-five publications and has delivered presentations at national meetings on topics that range from post-operative pain management to the treatment of patients with diabetes. His most recent research interests include identifying factors that influence outcomes following surgery and minimizing complications.

Trust between he and his patients are of the utmost importance to Dr. Armaghani. His approach with his patients consists of easy to understand conversations focusing on maximizing their improvement with conservative or surgical methods, while at the same time minimizing risk.

Dr. Armaghani enjoys cycling and college football, specifically his alma mater the University of Florida.

John M. Small, M.D.

John M. Small, M.D., is a board certified orthopedic surgeon who specializes in spine surgery. He has been with Florida Orthopedic Institute since 1996.

Along with completing his medical education at the University of Nebraska in Omaha, Dr. Small received a Doctor of Pharmacy Degree from the same institution. After completing his residency in orthopedic surgery at the University of Texas Southwestern Medical Center in Dallas, he completed a spine fellowship at the renowned Kerlan-Jobe Orthopaedic Clinic in Los Angeles, California.

Dr. Small has had comprehensive training involving the cervical, thoracic, and lumbar spine. A member of the American Academy of Orthopaedic Surgeons, he is keenly interested in sports-related injuries and has completed and maintains many ongoing research projects.

The case breakdown of Dr. Small’s practice includes approximately 40 percent of cases which treat the cervical spine, 55 percent the lumbar spine, and five percent the thoracic spine. He currently uses cage technology for lumbar fusions. In addition to traditional spine surgery techniques, he is experienced in endoscopic and microscopic surgical procedures.

Steven J. Tresser, MD

Dr. Tresser is board certified by the American Board of Neurological Surgery specializing in neurosurgery and adult degenerative spine disorders. After graduating, he pursued additional advanced training in neurosurgery and minimally invasive spine surgery. Prior to joining Florida Orthopaedic Institute, Dr. Tresser practiced for 20 years at a private practice in Tampa where he utilized the most advanced surgical techniques including computer assisted navigational surgery and micro neurosurgery.

Dr. Tresser offers a full spectrum of neuro services including cranial neurosurgery and focuses on complex spinal surgery encompassing degeneration, deformities and trauma. He also offers patients minimally invasive spine surgery, kyphoplasty, and lumbar spinal injections.

In addition to his work in surgery, Dr. Tresser has over 30 years of experience teaching and has been an investigator in multiple research studies. He is a certified Diplomate of the National Medical Board, the American Board of Neurological Surgery, and the American College of Surgeons. Dr. Tresser is currently active in seven professional societies and has won multiple awards, including the Dudley P. Allen Scholar Award from Case Western Reserve University for his distinguished research on neurotransmitter plasticity.

In his spare time, Dr. Tresser enjoys photography, sailing, exercise, and craft brewing.