LOCAL HEALTHCARE PROVIDERS
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158 providers
Availability last updated 08/11/2026
Joshua Lee, DO
Family Physician
1330 W Covina Blvd
Ste 201
San Dimas, CA 91773
Excellence is at the heart of the care that Marcella Bonnici, MD provides for each of her patients at her aesthetics and family medicine practice serving Wildomar, Murrieta, Temecula, CA, and the surrounding areas.
From her days as an undergraduate student to the moment she chose to return to her California roots, Dr. Bonnici has demonstrated a commitment to learning more about preventive care and family medicine, using that knowledge to improve her patient’s quality of life.
After earning her Bachelor of Science in biological sciences at the University of California, Irvine, Dr. Bonnici completed her medical studies at the historic Ross University School of Medicine. She later trained at several hospitals throughout the boroughs of New York City. She went on to receive the Outstanding Second Year Resident Award and was nominated for the Arizona Academy of Family Physicians Brazie Award while she was a resident at Scottsdale Healthcare.
Dr. Bonnici’s love of family medicine and her interest in preventive care inspired her to open her first practice in Scottsdale, Arizona. Motivated by her love of her native California, she returned to her home state to help her fellow Californians lead healthy lives.
Dr. Marcella Bonnici, MD
Family Physician
36320 Inland Valley Drive
Suite 201
Wildomar, CA 92592
Dr. Patricia Guevara-Channell, MD
Family Physician
8008 Haven Ave Ste 100
Suite 100
Rancho Cucamonga, CA 91730
Bao Khanh Thai, DO
Family Physician
210 S Grand Ave Ste 415
Glendora, CA 91741
Paul Moya, DO, is a board-certified family medicine physician who has been proudly serving Glendora, California, and the surrounding communities for more than 13 years. As part of United Family Physicians, Dr. Moya provides comprehensive care across all stages of life, with special expertise in preventive medicine, geriatric care, and the management of both acute and chronic medical conditions.
After earning his medical degree from Western University of Health Sciences in Pomona, California, Dr. Moya completed his internship and residency at Pomona Valley Hospital, a UCLA-affiliated program. Today, he partners with Emanate Health, Regal Medical Group and Lakeside Community Healthcare, giving his patients access to a vast network of specialists, leading hospitals, labs, and support services designed to make quality care accessible and seamless.
Dr. Moya believes in building lasting relationships with patients and their families through personalized education, preventive care, and individualized treatment plans. His approach is compassionate, approachable, and rooted in a dedication to long-term wellness. He is fluent in Spanish and is affiliated with Foothill Presbyterian Hospital, extending his reach in providing trusted medical care.
Outside of medicine, Dr. Moya enjoys gardening, hiking, and cooking. Patients appreciate his commitment to listening, understanding, and guiding them through every stage of their health journey. By combining clinical excellence with a caring bedside manner, Dr. Moya continues to make a meaningful difference in the lives of those he serves.
Dr. Paul Moya, DO
Family Physician
210 S Grand Ave
#415
Glendora, CA 91741
Yessenia Toscano, FNP-C, MSN, BSN, RN, is a dedicated nurse professional at Apple Urgent Care in Colton, Coachella, Moreno Valley, Hemet, Perris, Riverside, Indio, and San Bernardino, California.
Yessenia started her nursing education at Riverside City College in Riverside, California, earning an associate degree in nursing. While working as a clinical nurse at Riverside Community Hospital, Yessenia completed her Bachelor of Science in Nursing at California State University Fullerton in Fullerton, California.
Dedicated to advancing in her profession, Yessenia continued her education at Azusa Pacific University in Azusa, California, earning her Master of Science to become a family nurse practitioner. During her master’s program, Yessenia won the Outstanding Masters Nursing Student award.
Yessenia has several years of experience working as an acute care nurse and excels at delivering high-quality patient care as a nurse practitioner. She has experience in primary care, women’s health, pediatrics, psychosocial, and urgent care.
Urgent care, acute intensive care, and neurology are her favorite areas of medicine.
Yessenia is fluent in English and Spanish.
Outside of work, Yessenia enjoys gardening and spending time with her beautiful family.
Yessenia Toscano, FNP-C
Nurse Practitioner
1688 N. Perris Blvd
Suite F-4
Perris, CA 92571
Gilbert Varela, MD
Family Physician
5233 E Beverly Blvd
Los Angeles, CA 90022
Born in the small rural ski resort town of Show Low, Arizona, Cristal Sumerlin is a dedicated Physician Assistant specializing in Internal Medicine. With a strong passion for patient care and a desire to play an active role in their treatment and well-being, she chose the professional career path of a Physician Assistant after working as an X-Ray Technician. Cristal fell in love with medicine and recognized the need to further her education to better serve her patients and the community.
Cristal takes great pride in both her personal and professional accomplishments. As a mother and military spouse, she has successfully balanced the demands of family life while pursuing her professional goals. Her commitment to her patients and dedication to her work make her a source of pride and inspiration.
In the field of Internal Medicine, Cristal's strengths lie in managing complex disease processes such as diabetes. Her previous experience as an orthopedic technician and x-ray tech in an orthopedic practice has also honed her skills in orthopedics. She finds fulfillment in working with patients facing orthopedic conditions and providing comprehensive care.
Beyond her career, Cristal enjoys spending time outdoors and engaging in activities such as camping, hiking, and traveling. She cherishes these moments with her friends and family, as they provide a source of rejuvenation and happiness outside of her job.
With her unwavering dedication, clinical expertise, and compassionate approach, Cristal Sumerlin is an invaluable asset to Dr. Richard Lam's office. She strives to make a positive impact on her patients' lives and is committed to providing comprehensive and personalized care to improve their overall well-being.
Cristal Sumerlin, PA-C
Physician Assistant
27994 Bradley Road
Suite C
Menifee, CA 92586
Keith Chumley
Family Physician
23600 Telo Avenue
Suite 280
Torrance, CA 90505
