Pediatric Staff

"I have taken my three kids to Dr. Art since day 1, he has proven to be an excellent diagnostician and very knowledgeable; I am always able to get an appointment even on the same day when one of the kids is sick" Kristine Kovaleff - VITALS.COM reviewer.

""Dr. Q is AWESOME !! He took the time to explain the diagnosis and medications to me. That was the best doctor visit we've ever had ! I would recommend him to everyone." Julianna M. - YELP reviewer.

Meet our team at Rancho Mirage Pediatrics! Please take a few moments to learn about our skilled practitioner and our friendly, nurturing staff.

At Rancho Mirage Pediatrics, we consider it both a great joy and responsibility to care for children. Most of us are parents ourselves, so we strive to be understanding and available to the families we are privileged to serve. We are honored that you have chosen us as your child's primary medical provider and are confident that you will be pleased with the quality of care and service that we can provide you and your family.

A vital part of our service to children begins with our outstanding staff who works hard to manage and maintain a professional, caring and supportive environment for our patients in a timely manner. Our doctors are lifelong learners. Not only have they received advanced medical training in pediatrics, they continually pursue ongoing education to stay abreast of the latest in child health care.

Your child's health is as important to us as it is to you. We look forward to providing you with excellent medical care your child deserves.

Art Quintanilla, MD, FAAP  ("Dr. Art")

Dr. Quintanilla is a board certified pediatrician with 23 years of experience devoted to the training and practice of General Pediatrics and Neonatal Medicine; he received his MD degree in 1988 from the University of EI Salvador, and after immediate successful completion of US National Medical Board Exams equivalents he then started in 1988 his residency training in General Pediatrics at Maimonides Infant's & Children's Hospital of Brooklyn I State University of New York -Downstate Medical Center, located in Brooklyn, NY; and after completing a 3-year pediatric residency in 1991, Dr. Quintanilla then continued with further training with a fellowship in Neonatology at Miller Children's Hospital at Long Beach Memorial Medical Center I University of California-Irvine Medical Center located in Long Beach, California.

Presently, Dr. Quintanilla is board certified by the American Board of Pediatrics (1991), he is a Fellow of the American Academy of Pediatrics (1992), and Fellow of the American Board of Hospital Physicians (2004); he holds active and unrestricted MD Licenses in the states of California and Texas.

His current hospital appointments include affiliation with Eisenhower Medical Center in Rancho Mirage, CA where he formerly served as Chair of the Section of Pediatrics, as well as Desert Regional Medical Center in Palm Springs, CA where he also formerly served as Chair of the Department of Pediatrics.

Dr. Quintanilla is also a recipient of the American Medical Association's Physician Recognition Award and of the American Academy of Pediatrics' Medical Education Award.


Dr. Quintanilla's practice at Rancho Mirage Pediatrics is committed to meet the standards of quality pediatric care in the 21st century; this goal can only be achieved by providing competent, professional and compassionate care.


Leon Mizrahi, MD, FAAP

Dr. Mizrahi is a Board Certified Pediatrician working at Rancho Mirage Pediatrics providing part-time coverage for Dr. Quintanilla; he has 40 years experience working in General Pediatrics as well as a sub-specialist in Pediatric Geatroenterology.

Dr. Mizrahi received his MD degree at Universidad Autonoma de Mexico, and he then completed his training in Pediatrics at Baylor University's Texas Children's Hospital in Houston, TX.  He pursued further subspecialty training in Pediatric Gastroenterology at UCSD; he then settled in San Diego, CA where he has practiced for over 30 years at Sharp's Clinics; he holds an active, unrestricted medical license in California.

Dr. Mizrahi is a dedicated and experienced professional who has devoted his life caring with great skill and competency for our young pediatric population. He currently strikes a healthy balance between career work and semi-retirement by working part-time with Dr. Quintanilla's practice in Rancho Mirage.


Tina Kim - Office Manager 

Tina, office manager, on staff since 2008, efficient problem-solver, experience in billing, excellent communicator; always ready to provide reliable patient care.