Our Providers Directory

Alyssa Tonelli DO Primary Care

Female physician posing in white lab coat

Specialty: Adult Primary Care, Caduceus Physicians

Dr. Alyssa Tonelli is a primary care physician at our Yorba Linda family practice and was also raised in Yorba Linda. She played varsity tennis at El Dorado and went on to graduate from Stanford with honors. Afterward, she completed her DO degree at Western University of Health Sciences and pursued a family medicine residency ... read more

Michael Tran MD

Specialty: Endocrinology

Dr. Tran works hard to achieve the fine balance of managing a busy medical practice, being available for patients, staying atop the latest developments in endocrinology, and spending as much time as possible with his wife and children. Dr. Tran graduated UCLA with his Bachelor of Science in Biology and completed medical school at Creighton ... read more

Diana Tran-Kim DO Ob-Gyn

Specialty: Ob-Gyn

Dr. Diana Tran-Kim is an Ob-Gyn physician and grew up near Montreal, Canada and moved to Texas where she attended high school and college. She graduated Magna Cum Laude with a double major in Biology and French from Houston Baptist University. She is fluent in French and Vietnamese. Dr. Tran-Kim attended medical school in West ... read more

Christina Turner PA-C Primary Care

Specialty: Adult Primary Care, Physician Assistants and Nurse Practitioners

Christina Marie Turner is a primary care provider and earned her Master of Science in Physician Assistant Studies from Western University of Health Sciences in Pomona, California. She also holds a Bachelor of Arts in Education from Chapman University in Orange, California . Christina has spent time volunteering in the Motel Ministry which provided a ... read more

Josh Walters PTA

Specialty: Physical Therapy

Josh is a Physical Therapy Assistant and found his professional calling in high school after his father experienced a substantial sports injury playing tennis. He studied at Cal State Long Beach and received his Bachelor of Science degree in Kinesiology Exercise Science, then earned his Physical Therapy Assistant certificate at Cerritos College. He is an ... read more

Ray Weaver, MA, LMFT 45917

Specialty: Mental Health

Ray Weaver has over 20 years of experience in the healthcare field and works with clients to discover new perspectives and insights for your life’s path while facing and overcoming personal and family challenges. Ray earned his undergraduate degree in business from Texas Christian University and he holds a Master’s Degree in Counseling Psychology from ... read more

Anne Weidner RNP Primary Care

Specialty: Adult Primary Care, Physician Assistants and Nurse Practitioners

Anne is a primary care provider and spent almost a decade she worked as a registered nurse in a local hospital on a post-surgical floor. She decided to switch gears and move into a family practice and urgent care role at Caduceus. She is an avid sports fan and enjoys family time with her husband ... read more

Paul Weinstein MD

Specialty: Cardiology

Dr. Weinstein is certified by the American Board of Internal Medicine in both Internal Medicine and Cardiovascular Diseases. He received his undergraduate degree in Biology at University of California, Irvine, and completed medical school at Wayne State University in Michigan. Dr. Weinstein returned to California and completed his internship, residency, and a cardiology fellowship at ... read more

Mackenzie Williams NP Primary Care

Specialty: Adult Primary Care, Pediatrics, Physician Assistants and Nurse Practitioners

Mackenzie Williams is a board certified family nurse practitioner. She received a bachelor's in science with a focus in Integrative Physiology from the University of Iowa, a Bachelor's in Nursing from the University of Rochester and a Master's in Family Nursing Practice from Western University of Health Sciences. Currently, Mackenzie is working on a doctorate of ... read more

Christina Yarwood PA-C Primary Care

Specialty: Adult Primary Care, Physician Assistants and Nurse Practitioners

Christina is a primary care provider and completed her undergraduate education at the University of Idaho and attended graduate school at Western University of Health Sciences. Her personal interests include medical missions, water sports, and dancing. Her professional interests include pediatrics and women's health. She sees patients at our primary care office in Yorba Linda. ... read more