Ronald P. Karzel, MD

Ronald P. Karzel, MD

Specializes in Arthroscopic and Reconstructive Surgery of the Shoulder, Knee, and Sports Medicine.


Fellowship-Trained Sports Medicine and Arthroscopy Surgeon

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Ronald P. Karzel, MD, is originally from Wisconsin. He attended college at Yale University and subsequently graduated from Harvard Medical School in Boston.

After completing his residency training in orthopedic surgery at Northwestern University in Chicago, Dr. Karzel spent an additional year as a sports medicine and arthroscopy fellow with Southern California Orthopedic Institute. He then joined SCOI after completing his fellowship.

Dr. Karzel has been actively involved in education and research into shoulder problems. He has a particular interest in the treatment of rotator cuff and dislocation injuries in the shoulder and has helped pioneer several new techniques for the treatment of these problems. One of his inventions, the transporter device, is used to perform procedures that previously required open repairs. He has published numerous scientific journal articles and textbook chapters on subjects like knee ligament reconstruction techniques and arthroscopic shoulder surgery. Dr Karzel has also presented many scientific papers and is frequently invited to give instructional course lectures at national and international orthopedic meetings. He remains actively involved in several research projects concerning knee and shoulder injuries.

Dr. Karzel is board-certified by the American Board of Orthopaedic Surgery and is a member of the American Academy of Orthopaedic Surgeons. He was elected to membership in the American Shoulder and Elbow Society and is also a member of the Arthroscopy Association of North America, currently serving as chairman of the Communications Committee and of the American Orthopaedic Society for Sports Medicine.

Dr. Karzel is active in sports medicine on the community level, acting as the team orthopedic surgeon for College of the Canyons as well as Canyon Country, Valencia, Hart, and West Ranch High Schools in the Santa Clarita Valley.

When not at work, Dr. Karzel and his family enjoy sailing, tennis, and skiing.

Ronald P. Karzel, MD, is available to see patients in our Valencia office.


  • Sports Medicine
  • Shoulder Arthroscopy
  • Shoulder
  • Knee


Practice Coordinator: (661) 254-6364 Ext. 6573

Surgery Scheduler: (661) 254-6364 Ext. 6574

Fax: (661) 254-9076

Additional Information:

Workers' Comp: Yes