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228 providers
Availability last updated 11/06/2025
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
41900 Winchester Road
Suite 100
Temecula, CA 92590
Sachin Chatta
Family Physician
5475 Walnut Ave Second Floor
Chino, CA 91710
Brittany Wertz, DO
Family Physician
5454 Walnut Ave
Chino, CA 91710
Brittany Wertz, DO
Family Physician
5000 San Bernardino St
Montclair, CA 91763
Larry Vigilia
Family Physician
9635 Monte Vista Ave
204
Montclair, CA 91763
Brittany Wertz, DO
Family Physician
590 S Indian Hill Blvd
Claremont, CA 91711
Brittany Wertz, DO
Family Physician
721 Harrison Ave
Claremont, CA 91711
Jose Ramos, MD
Family Physician
1770 N Orange Grove Ave #101
Pomona, CA 91767
Brittany Wertz, DO
Family Physician
215 W Pearl St
Pomona, CA 91768
Erasto Gutierrez
Family Physician
1749 N Garey Ave
Pomona, CA 91767
Sergio Gomez, MD
Family Physician
2055 N Garey Ave
Pomona, CA 91767
