The Valley’s Premier Orthopaedic Physicians

Call for an Appointment (760) 972-4580


our locations

Doctor's Offices
71-780 San Jacinto
Building I
Rancho Mirage, CA 92270
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(760) 972-4580

Physical Therapy Office and Doctor's Offices
47-110 Washington St.
Suite 103
La Quinta, CA 92253
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(760) 972-4580

Shelley Cooper, PT at S.T.A.R. Orthopaedics, Inc.
78078 Country Club Dr., Suite 204
Bermuda Dunes, CA 92203
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Phone: 760-345-9934


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meet our physicians


Raj K. Sinha, M.D., Ph.D.
Raj K. Sinha, M.D., Ph.D. has a results-oriented personality. It explains, simply and elegantly, why he decided to specialize in orthopedics. He relocated to the Coachella Valley in 2003 and specializes in hip and knee replacement surgery.

“When I was in medical school it was clear that orthopedic surgeons were able to do tremendous things to get people back to active lifestyles.” According to Dr. Sinha, the success rate in orthopedics continues to climb at a rapid clip. “We are in a very exciting period of development in orthopedics right now,” he claims. “More and more, we are finding ways to do things for patients that we only dreamt about decades ago.”

He is helping to realize those dreams with cutting-edge surgery and research in the areas of bone-metal interaction, bone regeneration and robotic surgery. For example, he was the first in the Coachella Valley and one of the first surgeons in the world to perform Makoplasty, a robotic arm assisted partial knee replacement. He has helped to design hip and knee replacement components, including one of the most popular hip replacement stems in the world.

His research has been published in leading journals, and he has received multiple awards, including a Clinician Scientist Grant from the National Institutes of Health (1993), the National Orthopaedic Surgery Fellows Foundation Research Grant (1996), the International Society for Technology and Arthroplasty Hap Paul Award (1997), a Zimmer Research Grant , the Pittsburgh Tissue Engineering Initiative Grant, the 2003 Harcum Award, and the Arthritis Foundation Commitment to Excellence Award (2009).

Dr. Sinha earned his Medical Degree from Jefferson Medical College of Thomas Jefferson University in Philadelphia, completing his internship in the Department of Surgery at Abington Memorial Hospital in Abington, PA. During his residency within the Department of Orthopedic Surgery at Thomas Jefferson University, he pursued his Ph.D. at the Thomas Jefferson University College of Graduate Studies, Department of Biochemistry and Molecular Biology.

Most recently, Dr. Sinha served as Director of the Orthopaedic Curriculum of the Internal medicine Residency at the University of Pittsburgh Medical Center (UPMC). He was Co-Director of the Ferguson Laboratory and an Assistant Professor of Orthopedic Surgery within the Division of Adult Reconstructive Surgery at UPMC. He remains active in surgeon education, lecturing world wide and organizing surgeon education conferences.

Dr. Sinha is a diplomate of the American Board of Orthopaedic Surgery, a fellow of the American Academy of Orthopaedic Surgeons and a member of the American Association of Hip and Knee Surgeons, the International Society for Technology in Arthroplasty (ISTA), the Orthopaedic Research Society and the American Medical Association. He serves on the board of directors of ISTA and the Foundation for the Advancement of Research in Medicine (FARM).

L. Sam Reber, M.D.

L. Sam Reber, M.D. came to the desert in 1991. He served as the Director of Sports Medicine at Desert Orthopedic Center for 17 years, before establishing his own specialty practice, STAR Orthopedics Sports Medicine, at the Bone and Joint Institute of JFK Memorial Hospital in La Quinta. At STAR Ortho, Dr. Reber offers the most advanced treatment of athletic injuries in a patient friendly environment. He is a fellowship-trained, board-certified orthopedic surgeon specializing in treatment of knee and shoulder injuries.

Born in Ames, IA, Dr. Reber grew up in Wyoming where he attended high school and graduated from the University of Wyoming. A high school lifeguard and Wyoming state diving champion, his interest in sports continued in college with participation on the swim team and intramurals. So, what better profession to combine his academic pursuits with his love for sports than sports medicine?

Dr. Reber earned his Medical Degree from the University of Southern California and completed an internship and residency at the University of Utah Medical Center in Salt Lake City. He received his fellowship training in sports medicine at the Kerlan-Jobe Clinic in Los Angeles where he worked with the Los Angeles Dodgers, the Lakers, Kings, Rams, Angels and other professional and collegiate teams.

Dr. Reber currently serves as medical director of the Indian Wells Tennis Tournament, the 5th largest tournament in the world. He is also the team physician for College of the Desert and several local high schools. He has received numerous awards from the ATP Tennis Tour including the inaugural Outstanding Tournament Medical Services award. An award given in recognition of physician commitment and the high level of medical services provided to players.

He is Board Certified in Orthopedics, a Fellow of the American Academy of Orthopaedic Surgeons, a member of the American College of Sports Medicine, Arthroscopy Association of North America, American Medical Association, California Medical Association and the Riverside County Medical Association.


Ghassan E. Boghosian, DO
Dr. Boghosian is the newest addition to STAR Ortho. He is a San Diego native who now loves the desert. He relocated to La Quinta in the summer of 2010.

Keeping with the San Diego lifestyle, Dr. Boghosian enjoys cycling and golf among other outdoor activities.

While in San Diego, he attended The San Diego State University where he received a Bachelors of Science in Biology. He then made a move to the great lakes were he matriculated at The Lake Erie College of Osteopathic Medicine in Erie Pennsylvania. After receiving his doctorate degree, he began an internship and residency in orthopedic surgery at South Pointe Hospital, a Cleveland Clinic Hospital. At the completion of his residency, Dr. Boghosian completed a fellowship in adult lower extremity reconstruction at The Cleveland Clinic Foundation.

While at the Cleveland Clinic Foundation, he managed difficult and revision surgical patients. He has trained in utilizing minimally invasive techniques in hip and knee replacements, using computer navigation to reconstruct joints, hip arthroscopy, and other joint conservation techniques.

Dr. Boghosian is a member of the American Osteopathic Association, the American Academy of Orthopedic Surgeons, the American Osteopathic Academy of Orthopedics, and the American Association of Hip and Knee Surgeons.

Dr. Boghosian takes a very personal approach to treating his patients. He makes it clear to his patients that they are always a priority. He maintains a caring and trusting relationship with those who see him for their hip and knee arthritis. Furthermore, he gains much intrinsic reward by providing his patients the ability to return to activities that are important to them.