Looking forward to serving you - Monday – Friday 9 AM to 5 PM

Location: Rancho Cucamonga Community Health Center

Haily Helton, PA-C

I am the lead physician assistant at Health Service Alliance, where I’ve been contributing my expertise since 2021. I am dedicated to providing high-quality patient care with an enthusiastic and...
Read More

Julina Lewallen, PA-C

Julina Lewallen graduated from Chapman University with a bachelor’s degree in psychology and minor in Biology in 2015. She then completed her Master of Physician Assistant Practice at University of...
Read More
© 2026 Health Service Alliance. All rights reserved. Site By Cardwell Beach