Our Providers Directory

Alicia Clark PA-C Ob-Gyn

Alicia Clark PA-C

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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

Gregg DeNicola MD CMO Primary Care

Gregg DeNicola MD CMO

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Dr. DeNicola has cared for primary care patients for over 35 years. He received his Bachelor of Science cum laude and completed medical school at Creighton University and completed his internship and residency at Northridge Hospital (UCLA School of Medicine).  Dr. DeNicola remains an assistant clinical professor at University of California, Irvine and is certified ... read more

Nathaniel DeNicola MD

Head shot male physician

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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

Male ortho physician headshot in blue shirt

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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.

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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

Vicki Greenberg FNP Ob-Gyn Menopause and HRT Yorba Linda

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Vicki Greenberg, MSN, FNP-BC, began her career as a hospital staff nurse in Labor and Delivery; promoting to Nurse Manager for the last four years of her hospital career. Taking advantage of the rising need for advanced practice nurses, Vicki left hospital work in 1994 and went back to school to pursue her dream of ... 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