Umbrella_KeckMedicine
umbrella-logo
Keck Medicine of USC is the University of Southern California’s medical enterprise, one of only two university-owned academic medical centers in the Los Angeles area.

Physician Extenders

Juan Aparicio, PA-C

Juan Aparicio, PA-C
Juan Aparicio is a graduate of the Charles Drew University Physician Assistant Program in Los Angeles, Calif., and former Dean’s List member. His training involves rotation at King Charles Drew Medical Center in Los Angeles, Calif. He has been with the USC Institute of Urology since 2007, working with cutting-edge technology; robotic and open surgery. Juan is an active member of the California Academy of Physician Assistants.

Raafat Attalla, PA-C

Raafat Attalla, PA-C
Raafat Attalla, PA-C, received his physician assistant certification from Charles Drew University of Medicine and Science in Los Angeles, Calif., and his Bachelor of Science degree from UCLA. Raafat has trained as an orthopaedic surgical assistant with the U.S. Air Force and conducted research and design of a guide for placement of the anterior cruciate ligament (ACL) and ACL reconstruction. Prior to joining the USC Institute of Urology in 2011, Raafat served at the Comprehensive Urology Medical Group, Cedars Sinai Medical Center in Los Angeles, Calif., and at UCLA. Raafat is fluent in Arabic.

Lakshmi Damerla, PA-C

Lakshmi Damerla, PA-C
Lakshmi Damerla, PA-C,received her physician assistant certification from Charles Drew University of Medicine and Science in Los Angeles, CA. She graduated with Suma Cum Laude and received her Bachelor of Science degree from UC Irvine. Prior to becoming a Physician Assistant, Lakshmi trained as a Respiratory Therapy at Loma Linda University and worked in emergency room, ICU, ABG lab and bronchoscopy lab. Prior to joining the USC Lakshmi worked at Children’s Hospital Los Angeles as Associate Director of Clinical Research Operations in their Clinical Trials Office in Children’ Center for Cancer and Blood Diseases. Lakshmi comes to USC with previous experience in Family Practice, Pediatrics and Clinical Research. Lakshmi is fluent in Spanish.

Jayson C. Jun, NP

Jayson C. Jun, NP
Jayson is a graduate of Azusa Pacific University’s Family Nurse Practitioner Program. Prior to his experience as a nurse practitioner, he worked as an RN for four years in the definitive observation unit/telemetry settings. He has worked at a private urology clinic starting in early 2014, and concurrently worked in the field of general surgery assisting in surgical cases.

Shirly Mahgerefteh, MPAP, PA-C

Shirly Mahgerefteh, MPAP, PA-C
Shirly Mahgerefteh is a graduate of the Keck School of Medicine of USC PA Program, where she received a master’s degree in of Physician Assistant Practice. Her training involved rotations at the Los Angeles County + USC Medical Center in Los Angeles, CA and a large variety of medical specialties. After completing her PA training in 2010, she worked in an urgent care setting and in men’s health until joining the USC Institute of Urology with high recommendations in 2011. Since joining the department, she has gained extensive experience in post-operative care working with both open and minimally invasive surgeons at Keck Medicine of USC. She is a member of the California Academy of Physician Assistants.

Daniel Park, PA-C, MHA

Daniel Park, PA-C, MHA
Daniel Park is a graduate of the Keck School of Medicine of USC PA Program. His training involved rotations at the Los Angeles County + USC Medical Center in Los Angeles, Calif., and Rancho Los Amigos National Rehabilitation Center in Downey, Calif. His education also included general surgery training at the Yale School of Medicine/Norwalk Hospital in New Haven, Conn. He completed his PA medical training in 1996 and graduated with honors. He also holds a master’s degree in Health Administration from the USC Price School of Public Policy where he graduated with honors and is a member of the Upsilon Phi Delta National Healthcare Honor Society. He was previously with a private practice urological group for more than 10 years where he had extensive experience in the operating room in addition to office and hospital based urology. He was then recruited back to his alma mater by the department’s own chairman, Dr. Inderbir S. Gill, in 2010 where he now serves as director of clinical operations within the Institute. He has been first author and co-author of several urologic abstracts and peer-reviewed journals and is a member of the American Urological Association and the California Academy of Physician Assistants.

Richard Preciado, PA-C

Richard Preciado, PA-C
Richard Preciado attended California State Polytechnic University in Pomona, Calif., and graduated with Dean’s Honors from the Riverside Regional Medical Center Physician Assistant Program in Riverside, Calif., in 2002. He worked for a busy private practice urologic medical group for ten years where he had extensive surgical, hospital and clinical exposure. He was recruited to the USC Institute of Urology in 2013 and works closely with Monish Aron, co-director of robotic surgery and advanced laparoscopy, and with Matthew Dunn, director of endourology. Richard spends time at the USC Norris Comprehensive Cancer Center, and travels to Keck Medicine – Pasadena, Keck Medicine – Beverly Hills and Glendora clinics. He is a member of Urology Association of Physician Assistants and the California Academy of Physician Assistants.

Kevin Wayne, PA-C

Kevin Wayne, PA-C
Kevin Wayne graduated with honors from the George Washington University School of Medicine and Health Sciences Physician Assistant Program in Washington, D.C., in 1994. After serving with the U.S. Public Health Service’s National Health Services Corps, he joined a private urology practice in northern California, where he helped to provide the full-range of general urologic services to the surrounding agricultural community. After 12 years working in private practice, Kevin joined the clinical staff of USC’s Institute of Urology in January 2011. Kevin’s areas of interest are urologic oncology, general urology and male reconstructive surgery.