About Us

The Team

Our Experts

Dr. Karimkhani

Dr. Valeh Karimkhani, D.O. is an adolescent and adult psychiatrist, dual board certified in Psychiatry and Addiction Medicine. She is the founder of Orange County Psychiatry and Addiction Medicine.


Nelae DeChurch, PA-C

Nelae DeChurch is a National Board-Certified Physician Assistant with a Certificate of Added Qualifications (CAQ) in Psychiatry from the NCCPA. She received her Bachelor’s Degree in Health Science and her Master of Physician Assistant Science degree from ARC-accredited Gannon University in Erie, Pennsylvania.

Robert Chavarin, PA-C

I am a dedicated Physician Assistant with a rich background in both military and civilian healthcare sectors. My educational journey includes a master's degree in Physician Assistant Studies from A.T. Still University, complemented by extensive training in the University of Washington's MEDEX PA Program.

female medical professional in a medical setting

Theresa Tran, PA-C

Theresa has completed my Master of Science from Southern California University of Health Science and earned a Bachelor of Arts in Psychology from California State University, Long Beach.

Carlos Rodriguez, PA-C

Carlos holds a Master of Clinical Health Services from the University of Washington and a Bachelor of Science in Health Care Management from Southern Illinois University, Carbondale. These esteemed qualifications underpin his deep understanding of the healthcare field.

Kayla Havill MSN, APRN, FNP-BC

Kayla holds a Master's in Nursing from Francis Marion University and a Bachelor's in Nursing, minoring in Psychology from Indiana State University. I’m a Family Nurse Practitioner, and I'm really passionate about family medicine, psychiatry, and tackling addiction.