Our Providers Directory

Nathaniel DeNicola MD

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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

David Flood MD Ortho Yorba Linda

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Dr. Flood joined Caduceus after many years of private practice in San Diego and academic practice at the University of Missouri. There, he treated patients, taught surgical skills to residents, and published several research papers. He graduated first in his class from the University of Kansas Medical School. He did an internship at UCSD, residency ... read more

Felix Gaw, M.D.

Felix Gaw, M.D.


Dr. Gaw is board-certified in general surgery and has provided surgical services to residents of Orange County since 1998. Dr. Gaw completed his surgical residencies at the University of Illinois, and Kern Medical Center (California). He completed his medical school training at the University of Santo Tomas in Manila, and his general surgical residency at ... read more

Michael Hall MD Primary Care

Michael Hall MD

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Dr. Hall is a primary care physician in Yorba Linda and completed his undergraduate education at California State University at Fullerton. He received his medical degree from Loma Linda University. He is certified by the American Board of Family Practice. In his off duty hours, he enjoys Little League, Pop Warner, traveling, and the outdoors. ... read more

Donna Hines MD Pediatrician

Donna Hines MD


Dr. Hines is a board certified pediatrician with 20 years of experience. She received her medical degree from Howard University College of Medicine in Washington D.C. and pediatric training at LeBonheur Children's Hospital in Memphis, Tennessee. She is a relatively new resident of Southern California and in her spare time enjoys baseball, tennis, and music, ... read more

Trevor Holloway PA-C

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Trevor is a seasoned physician assistant and has clinical experience in primary care, urgent care, and dermatology. He currently sees dermatology patients at Caduceus Specialty in Yorba Linda. ... read more

Cyndy Krepps-Hoffer, DNP Pediatrics

Cyndy Krepps-Hoffer, DNP, RN, CPNP, ANP


Dr. Krepps-Hoffer is a pediatric provider at Caduceus 4 Kids. Her passion is helping families find confidence in caring for their children. One of her greatest joys is watching babies grow into self-assured children. Dr. Krepps-Hoffer is originally from South Carolina, but has called Southern California home for the past 30 years. She is a ... read more