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Orthopaedic Physicians/ Surgeons

Ahmad Nematbakhsh, D.O.

Board Certified Orthopedic Surgeon​

Fellowship Trained in Orthopedic Spine Surgery

Dr. Ahmad Nematbakhsh is a board-certified orthopedic surgeon with 20 years of experience in Pinellas county who began practicing in Saint Petersburg, Florida in 2005. He specialized in orthopedic spine surgery and earned his Doctor of Osteopathic Medicine degree from Des Moines University in 1998. He completed an orthopedic residency at Bicounty Community Hospital/Henry Ford Health System in Michigan from 2000 to 2004 and further honed his expertise through a fellowship in orthopedic spine surgery at the Cleveland Clinic Florida from 2004 to 2005. Dr. Nematbakhsh has also completed various residency rotations in orthopedic oncology, pediatric orthopedics, and emergency medicine. He is affiliated with several hospitals, including HCA Florida Northside, HCA Florida St. Petersburg, and Bayfront Health St. Petersburg. Outside of his professional life, he enjoys spending quality time with his wife and two children and has a passion for traveling.

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Anthony Albert, M.D.

Board Certified Orthopedic Surgeon​

Fellowship Trained in Sports Medicine

Dr. Anthony Albert is a board-certified orthopedic surgeon with a fellowship in sports medicine. He graduated from The Medical College of Georgia in 2005 and completed his general surgery internship at Dartmouth-Hitchcock Medical Center. Dr. Albert furthered his training through an orthopedic surgery residency at Dartmouth-Hitchcock and specialized rotations in pediatric orthopedic surgery at Children’s Hospital Boston and orthopedic tumor surgery at Beth-Israel Deaconess Medical Center. He completed a sports medicine fellowship at New England Baptist Hospital in Boston from 2010 to 2011. Dr. Albert is certified by both the American Academy of Orthopaedic Surgeons and the American Board of Orthopaedic Surgery. He is affiliated with several hospitals, including HCA Florida Northside and Bayfront Health St. Petersburg. Outside of his practice, he enjoys boating, fishing, and spending quality time with his wife and four children.

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Thomas Nienke, D.O.

Board Certified Orthopedic Surgeon​

Fellowship Trained in Orthopedic Spine Surgery

Dr. Nienke is a board-certified orthopedic surgeon specializing in spine surgery. Dr. Nienke received a Doctor of Osteopathic Medicine degree from Kansas City University in 2008, following a Doctor of Chiropractic degree from Cleveland Chiropractic School in 2003. Dr. Nienke completed his orthopedic surgery residency at Summa Western Reserve Hospital in Cuyahoga Falls, OH in 2013, followed by a spine fellowship at the Florida Orthopedic Institute in Tampa. With a strong foundation in both osteopathic and chiropractic principles, Dr. Nienke brings a comprehensive, patient-centered approach to orthopedic and spine care.  Dr. Nienke is affiliated with several hospitals, including HCA Florida Northside Hospital and Orlando Health Bayfront Hospital. In his personal life, he enjoys spending time with his wife and their five children. 

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Daphne Pinkas, M.D.

Board Certified Orthopedic Surgeon​

Fellowship Trained in Adult Shoulder & Elbow Reconstruction

Dr. Pinkas is a board-certified orthopedic surgeon specializing in upper extremity surgery. She received her medical doctorate from the University of Miami in 2007 and completed her orthopedic residency at Montefiore/Albert Einstein College of Medicine, followed by a fellowship in Adult Reconstruction- Shoulder and Elbow at William Beaumont Hospital. A Fellow of the American Academy of Orthopaedic Surgery (AAOS) and member of the American Shoulder and Elbow Society (ASES), she has authored numerous publications in prestigious journals including the Journal of Shoulder and Elbow Surgery. With over a decade of experience, she brings expertise in treating sports injuries, fractures, and arthritis through both conservative and surgical approaches. Outside of work, she enjoys outdoor activities and spending time with her family and three dogs.

Orthopaedic Physician Assistants

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Justin Bidwell

PA-C | Orthopedic Physician Assistant

  • Bachelor of Science of Physician Assistant, South University, 2003

  • Board Certified with the National Commission on Certification of Physician Assistants

  • Organizational Memberships: American Academy of Physician Assistants and the Florida Academy of Physician Assistants

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Katie Christenson

PA-C | Orthopedic Physician Assistant

  • Bachelor of Science in Health Science, Stetson University, 2019

  • Master of Science in Physician Assistant Sciences, Gannon University, 2023

  • Board Certified with the National Commission on Certification of Physician Assistants

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Megan Karlovich

PA-C | Orthopedic Physician Assistant

  • Bachelor of Science in Biology and Minor in Chemistry, University of Nebraska-Omaha, 2020

  • Master of Science in Physician Assistant Studies, South University, 2023

  • Board Certified with the National Commission on Certification of Physician Assistants

Physical Therapy

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Stuart MacCollom

PT | Physical Therapist

  • Bachelor of Science in Physical Therapy, University of Vermont, 1979

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