LOCAL HEALTHCARE PROVIDERS
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141 providers
Availability last updated 09/11/2026
Joshua Lee, DO
Family Physician
1330 W Covina Blvd
Ste 201
San Dimas, CA 91773
Dr. Ricardo La Grotta, MD is a primary care physician. He serves patients at HealthyU Clinics at our Chandler, Arizona clinic.
With over two decades of medical experience, Dr. La Grotta brings his passion and commitment to HealthyU Clinics. Motivated by the organization's dedication to prioritizing patients, he joins with enthusiasm and a belief that the clinic is truly upholding the oath in primary care by putting people first.
Having spent his formative years in diverse regions such as South America, the Caribbean, and the Pacific Northwest, Dr. La Grotta has cultivated a unique perspective. His focus on Primary Care and Urgent Care stems from a seamless blend of practical experience and scientific knowledge.
Although his family has been in the Pacific Northwest for four decades, Dr. La Grotta eagerly embraces Arizona as his new home. He looks forward to immersing himself in the beauty of the state, connecting with its vibrant communities, and indulging in the rich gastronomy that Arizona has to offer.
Dr. Ricardo La Grotta, MD
Family Physician
1041 E. Yorba Linda Blvd.
Suite 200A
Placentia, CA 92870
Dr. Yeyong Shin, DO
Family Physician
1111 Grand Ave.
Suite J
Diamond Bar, CA 91765
Jaspreet Nanra, MD
Family Physician
750 North Diamond Bar Blvd
Ste 102
Diamond Bar, CA 91765
Mehrdad Salimkhanian
Family Physician
315 S Tustin St
Orange, CA 92866
Daniel Linares, MD
Family Physician
2130 Grand Ave Ste D
Chino Hills, CA 91709
Erasto Gutierrez, MD
Family Physician
1749 N Garey Ave
Pomona, CA 91767
Dr. Kenna Schnarr is dual-boarded in Obstetrics and Gynecology and Family Medicine, bringing a comprehensive, patient-centered approach to women’s health. Originally from a small town with very few doctors, Dr. Schnarr values strong patient relationships and continuity of care. With training across both primary care and women’s health, Dr. Schnarr is committed to delivering comprehensive, holistic care to women at every stage of life — what she describes as “womb to tomb.”
She earned her medical degree with clinical honors from Kansas City University of Medicine and Biosciences, where she also completed a fellowship teaching anatomy and pathology to medical students alongside continuing breast cancer research. Prior to medical school, she earned a Master’s in stem cell and cancer biology, with research focused on using stem cells to treat triple negative breast cancer. Dr. Schnarr has authored multiple peer-reviewed publications and is passionate about mentoring, medical education, and interdisciplinary collaboration. Outside of medicine, she enjoys fitness, culinary exploration, international travel, and spending time with her spouse, family, and friends.
Kenna Schnarr, DO, MS
OB-GYN
351 Hospital Road
Suite 316
Newport Beach, CA 92663
Joan Vicente, MD
Family Physician
705 N Oxnard Blvd
Suite 106
Oxnard, CA 93030
Sergio Gomez, MD
Family Physician
2055 N Garey Ave
Pomona, CA 91767
Jose Ramos, MD
Family Physician
1770 N Orange Grove Ave #101
Pomona, CA 91767
Gene L. Syn, MD, is one of the skilled physicians practicing at Minimally Invasive Medical Group, which has offices in Lake Forest, Mission Viejo, and Irvine, California.
He is a second-generation Korean-American who was born in Los Angeles and raised in Orange County, California. He graduated from the UCLA School of Medicine in 1992. He then did his general surgery residency at the New York Flushing Hospital Medical Center from 1992 to 1997. He further specialized in colon and rectal surgery at the Greater Baltimore Medical Center from 1997 to 1998.
Dr. Syn received his board certification from the American Board of Surgery as well as the American Board of Colon and Rectal Surgery. He has been practicing colon and rectal surgery in Southern California for over 20 years.
To schedule an appointment with Dr. Syn or another member of the team at Minimally Invasive Medical Group, call the office or request an appointment online today.
Dr. Gene Syn, MD
Colorectal Surgeon
18102 Sky Park Circle South
Suite D
Irvine, CA 92614
Dr. Kathy Zelken is returning as an aesthetic medicine provider after a hiatus since the birth of her daughters. She has served as the medical advisor of the Zelken Institute for Aesthetic Medicine since it was established in 2016. She has worked tirelessly in the background to ensure the highest level of excellence and quality in all aspects of patient care. She has had a keen eye for artistry since childhood, starting from being a classically trained artist. She graduated summa cum laude from the University of California Berkeley with a major in Molecular and Cell Biology and a minor in Art History. During medical school at the University of Texas Southwestern, she published papers with world-renowned plastic surgeon and former editor-in-chief of Plastic and Reconstructive Surgery journal (the top journal in the field), Dr. Rod Rohrich. Her meticulous nature, extraordinary calmness, and friendly demeanor gained from close to a decade of working as a board-certified pediatrician in Orange County and doing some of the most delicate procedures on tiny babies will put the most anxious patients at ease. She is thrilled to help patients map out a comprehensive treatment plan to achieve their individual aesthetic goals and explain various nonsurgical procedures in detail. Her patients love her and seek her out for neuromodulator and facial contouring injections, skin rejuvenation, laser treatments, and so much more.
Kathy Zelken, MD
Pediatrician
3440 Irvine Ave
Newport Beach, CA 92660
