Kimberly Aguilar NP Yorba Linda Family Practice

Kimberly Aguilar is a nurse practitioner at Caduceus Family Physicians at the Packing House in Yorba Linda. She has a Registered Nursing Degree from Saddleback Community College, a BSN from Grand Canyon University, and Doctor of Nursing Practice Family Nurse Practitioner from UMass Global. Her work experience includes several different specialties- heart and vascular, emergency…

Read More

Azza Ayad MD Pediatrician

Azza Ayad, M.D.

Dr. Ayad is a pediatrician and has been caring for children in Southern California since 1990, and is proud to have worked with the same medical group for 11 years. She is certified by the American Board of Pediatrics. Dr. Ayad completed medical school at the Alexandria University School of Medicine, and completed both her…

Read More

Robert Borrowdale MD Ob-Gyn

Robert Borrowdale, M.D.

Dr. Borrowdale provides the full-range of Ob-Gyn (obstetric and gynecological) services to our patients. Dr. Borrowdale earned  a Bachelor of Science in Biology/Chemistry, with honors, from Andrews University, Michigan. He completed medical school at Loma Linda University, California, and completed his residency at St. Joseph Mercy Hospital, Michigan. Dr. Borrowdale received training at Wayne State…

Read More

Connie Bouvier PA-C Primary Care


Connie Bouvier is primary care provider at Caduceus on Thalia. She has a Master’s Degree from Western University in Pomona. In addition, she holds both a Bachelor’s and and a Master’s degree in Psychology from California State University Fullerton and a Ph.D. in Psychology from United States International University in San Diego. Her career has…

Read More

Olesya Brissey MD Internal Medicine


Dr. Brissey is a board certified internal medicine and primary care physician in Yorba Linda. She completed her internship and residency at St John’s Episcopal Hospital New York.  On weekends she loves to hike, walk on the beach, cook new healthy recipes for her family, and explore new places in Orange County. Dr. Brissey sees…

Read More

Mary Tiffany Cerenche NP

Female nurse practitioner in lab coat sitting on park bench outside

Mary Tiffany Cereneche is a primary care nurse practitioner and has worked with Sentara Norfolk General Hospital, Mission Hospital Cardiac ICU, & Kaiser Permanente Irvine. After earning her MSN- APRN from Walden University, she now has joined with the Caduceus on Thalia. With over 20 years of nursing experience in critical care, her personal advocacy…

Read More

Chiron Psychological Inc. Orange County Therapy

Chiron offers allied health specialty services and has a team of licensed mental health providers to help individuals resolve daily life stressors including individual, family or couples therapy and counseling, hypnosis, and psychological testing. Adults and children will often seek professional help individually or as a family for the treatment of various conditions, including: -Depression…

Read More

Alicia Clark PA-C Ob-Gyn

Alicia Clark PA-C

Alicia Clark is a Certified Physician Assistant (PA-C) who specializes in Obstetrics and Gynecology (OB/GYN). She graduated with her Master’s Degree from the USC Keck School of Medicine Physician Assistant Program where she was the recipient of a full scholarship for her outstanding academic and extracurricular achievements through the National Health Service Corp (NHSC). During…

Read More

Nathaniel DeNicola MD CMO

Head shot male physician

Nathaniel DeNicola, MD, MSHP, FACOG is a board-certified Obstetrician & Gynecologist (Ob-gyn) with Caduceus Medical Group and Chief Medical Officer.  He sees patients at Caduceus for Women in Yorba Linda and Irvine.  He grew up in Los Angeles and Orange County rooting for the Dodgers and Lakers, and during travel always makes In-N-Out his first…

Read More

Mary DeNicola DNP Primary Care

Mary DeNicola, DNP

Mary works as a primary care provider has been a nurse for over 30 years receiving her BSN from Creighton University. She earned her MSN/FNP from California State University, Dominguez Hills and a Doctor of Nursing Practice (DNP) from the Frontier School of Midwifery and Family Nursing. She has worked at Caduceus for over a…

Read More