Our Providers Directory

Veena Charu MD Oncology

Specialty: Oncology

Dr. Veena Charu is board certified in hematology and oncology. She graduated from medical school at Nagpur University and did her residency at Montefiore Medical Center. She is a seasoned physician and has been practicing for over 20 years. She sees patients at Caduceus Specialty in Yorba Linda.

Mark Chung MD

Specialty: Pulmonology, Sleep Medicine

Dr. Mark Chung is a graduate of the University of Buffalo School of Medicine in New York. He did his residency training at University Hospital in Stony Brook, New York and at Long Beach Veterans Administration Medical Center. His sub-specialty training was in pulmonary and critical care and completed in 1987 at Harbor-UCLA Medical Center. ... read more

Alicia Clark PA-C Ob-Gyn

Specialty: Ob-Gyn

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

Brian Constantine DPM

Specialty: Podiatry

Dr. Constantine enjoys team sports, and appreciates the importance of keeping patients – both athletes and non-athletes- on their feet and moving. From young adults to seniors, problems with feet or ankles can adversely affect daily life. Dr. Constantine is a diplomat of the National Podiatric Examiners. Dr. Constantine graduated Albright College, with a Bachelor ... read more

Xandi Craig PA-C Primary Care

Specialty: Adult Primary Care, Physician Assistants and Nurse Practitioners

Xandi has been a patient favorite for many years and sees primary care patients at our Irvine location, Caduceus Jamboree. Reserve an appointment with Xandi... read more

Gregg DeNicola MD CMO Primary Care

Specialty: Adult Primary Care, Caduceus Physicians

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

Specialty: Ob-Gyn

Nathaniel DeNicola, MD, MSHP, FACOG is a board-certified Obstetrician & Gynecologist (Ob-gyn) with Caduceus Medical Group who serves patients at Caduceus for Women in Yorba Linda, Anaheim, 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 stop when returning ... read more

Mary DeNicola DNP Primary Care

Specialty: Adult Primary Care, Physician Assistants and Nurse Practitioners

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

Kimberley Dorantes, MA, LMFT 41675

Specialty: Mental Health

Kimberley Dorantes or “Kim” is a Licensed Marriage and Family Therapist. She earned her Master’s degree from California State University, Dominguez Hills in Clinical Psychology with a focus on Marriage and Family Studies. She has been in practice as a therapist for 19 years. Her clinical experience includes working with children in play therapy, adults ... read more

Allan Effron MD

Specialty: Gastroenterology

Dr. Effron is a seasoned gastroenterologist and has been practicing in Orange County for over 40 years. He also speaks fluent German, Spanish, and Yiddish. Dr. Effron is available for appointments at Caduceus Specialty in Yorba Linda and Caduceus Jamboree in Irvine.