At Peninsula Research Associates, we encourage you to contact us if you are interested in learning more about participating in a clinical research study or have any questions or concerns related to your healthcare. You can reach us at 310-265-1623 or by emailing You can also fill out the contact form below and someone from our office will get back to you shortly. We look forward to hearing from you!

Peninsula Research Associates
550 Deep Valley Drive, Suite 317
Rolling Hills Estates, CA 90274

Our office is located in Promenade on the Peninsula mall on the 3rd level.

If you are currently enrolled in a study and/or know which member of our team you would like to reach, we encourage you to contact them directly utilizing the information below.


Fill out my online form.

Jordan Wertheimer

Site Director
Office: 310-265-1623 x311

Debbie Cappy

Director of Regulatory & Quality Control
Office: 310-265-1623 x301
Cell: 310-989-0614