Orthopaedic Specialty Institute
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Our Doctors

OSI's physicians are board certified and internationally renowned for their work in Orthopaedics. In the sections below each physician is categorized by their sub-specialty area.

General Orthopaedics

Lawrence S. Barnett, M.D.

Lawrence S. Barnett, M.D.
Dr. Lawrence Barnett is a board certified orthopaedic surgeon whose practice focuses on general orthopaedics.

David C. Smith, M.D.

David C. Smith, M.D.
Dr. Smith is a board certified orthopaedic surgeon. He is a general orthopaedist, but focuses largely on arthroscopic procedures of the knee and shoulder, as well as joint replacement surgery.

Sports Medicine

Scott P. Fischer, M.D

Scott P. Fischer, M.D.
Dr. Fischer is a board certified orthopaedic surgeon with subspecialty fellowship training in sports medicine and arthroscopic surgery.

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Miguel P. Prietto, M.D

Miguel P. Prietto, M.D
Dr. Miguel Prietto is a board certified orthopaedic surgeon. He is a general partner of the Orthopaedic Specialty Institute in Orange County where his practice is focused on sports medicine, arthroscopic and reconstructive knee and shoulder surgery, and knee replacements.

Carlos A. Prietto, M.D.

Carlos A. Prietto, M.D.
Dr. Carlos Prietto is a board certified orthopaedic surgeon with subspecialty training in sports medicine.

Benjamin D. Rubin, M.D.

Benjamin D. Rubin, M.D.
Dr. Rubin is board certified in Orthopaedic Surgery with subspecialty training in Sports Medicine and Arthroscopy.

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Michael Shepard, M.D.

Michael Shepard, M.D.
Dr. Shepard is a board certified Orthopaedic Surgeon with subspecialty in Sports Medicine and Arthroscopic Surgery. His special emphasis is on the care of the overhead athlete.

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Robert Grumet, M.D.

Robert Grumet, M.D.
Dr. Grumet is a board certified Orthopaedic Surgeon with subspecialty training in Sports Medicine and Arthroscopic Surgery.

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David W. Kruse, M.D.

David W. Kruse, M.D.
Dr. Kruse holds two board certifications, sports medicine and family medicine, and practices as a Primary Care Sports Medicine specialist.

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Spine (Neck and Back)

Michael I. Danto, M.D.

Michael I. Danto, M.D.
Dr. Danto is a board certified specialist in Physical Medicine and Rehabilitation. He specializes in non-surgical treatment of orthopaedic conditions.

Gregory D. Carlson, M.D

Gregory D. Carlson, M.D.
Dr. Carlson is a board certified orthopaedic surgeon with subspecialty training in Spine Surgery.

Jeffrey E. Deckey, M.D

Jeffrey E. Deckey, M.D
Dr. Deckey is a board certified orthopaedic surgeon. His practice focuses on complex disorders of the spine in adult and pediatric patients.

Jack Chen, M.D

Jack Chen, M.D
Dr Jack Chen is board certified and is a subspecialty trained orthopaedic spine surgeon. His clinical practice is devoted to treating both adult and pediatric patients with spinal disorders.

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Jeremy Smith, M.D

Jeremy Smith, M.D
Dr. Smith is board certified and is fellowship trained Orthopaedic Spine Surgeon and specializes in the cutting edge treatment of degenerative spinal conditions.  Dr. Smith also has significant interest in the treatment of spinal trauma, particularly spinal cord injury and has made significant laboratory and clinical contributions that have advanced the field.

Hand and Wrist

Mark N. Halikis, M.D.

Mark N. Halikis, M.D.
Dr. Halikis is a board certified orthopaedic surgeon specializing in hand and upper extremity surgery.

Paul Dinh, M.D

Paul Dinh, M.D.
Dr. Paul Dinh is board certified and a new addition to the Orthopaedic Specialty Institute who specializes in Hand and Upper Extremity Surgery.

Foot and Ankle

Jiun-Rong Peng, M.D.

Jiun-Rong Peng, M.D.
Dr. Peng is a board certified orthopaedic surgeon with subspecialty training in foot and ankle surgery and arthritis reconstructive surgery.

Steve Kang, M.D.

Steve Kang, M.D.
Dr. Kang is an orthopaedic surgeon specializing in foot & ankle surgery. His practice focuses on reconstructive surgery, foot and ankle fracture care, ligament and tendon repair/reconstruction, minimally invasive and arthroscopic procedures, and work and sports injuries.

Total Joint

Steven L. Barnett, M.D.

Steven L. Barnett, M.D.
Dr. Steven Barnett is a board certified orthopaedic surgeon with a practice specializing in Joint Replacement and Adult Reconstructive Surgery for arthritic conditions.

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Robert S. Gorab, M.D

Robert S. Gorab, M.D.
Dr. Gorab is a board certified orthopaedic surgeon and one of the managing partners of Orthopaedic Specialty Institute. Dr. Gorab's practice focuses on joint replacement and arthritis surgery.

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Jay Patel, M.D

Jay Patel MD
Dr. Patel is an orthopedic surgeon specializing in Total Joint Replacement and Adult Reconstructive Surgery. His area of expertise includes both primary and revision surgical procedures of the hip and knee.

Ancillary Personnel

Susanne L. Porter, RN, MSN, FNP

Susanne L. Porter, RN, MSN, FNP
Susanne Porter is a Family Nurse Practitioner for Dr. Gorab at Orthopaedic Specialty Institute.

Rodolpho "Rudy" Solórzano

Rodolpho "Rudy" Solórzano, PA-C
Rudy Solorzano PA-C is a physician assistant in Knee and Shoulder Surgery and Sports Medicine for Dr. Carlos Prietto at Orthopaedic Specialty Institute.

Stacy Summa

Stacy Summa, MMSc, PA-C
Stacy Summa is a Physician Assistant for Dr. Benjamin Rubin at Orthopaedic Specialty Institute.

Treanna Mather, MPAS, PA-C Treanna Mather, MPAS, PA-C
Jason Cook, MS, PA-C</span> Jason Cook, MS, PA-C
Juli Boyer M.S., ATC, PA-C

Juli Boyer M.S., ATC, PA-C
Juli Boyer is a Physician Assistant working with Dr. Shepard at the Orthopedic Specialty Institute.

 

Hoag Orthopedic Institute Hoag Orthopedic Institute
General Orthopaedics
Total Joint Replacement
Spine (Neck & Back)
Sports Medicine
Hand & Wrist
Foot & Ankle
Physical Therapy
Physiatry
Multimedia Patient Education
The Orthopaedic Education and Research Institute of Southern California
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Orthopaedic Specialty Institute