Irvine Office

Canyon Medical Plaza

15785 Laguna Canyon Rd, Suite 120
Irvine, CA 92618

(949) 951.5437 (KIDS) phone
(949) 951.2715 fax

Providing care in our Irvine office:

Christine Arnaldo, MD
Jonathan Auth, MD
J. Mary Choi, MD
Dan Kouwabunpat, MDa
Lori L. Openshaw, MD
Maria Santos, MD

OFFICE HOURS

Regular Office Hours
Monday through Friday 9:00 am to 5:00 pm
Extended After Hours **Laguna Hills location only**
Monday through Friday 5:00 pm to 8:00 pm and Saturdays 9:00 am to 1:00 pm
**Additional after hours charge may apply**
Phones are open from 8:00 am to 5:00 pm Monday through Friday
Phones are open at 8:00 am Saturdays for after hours same day sick appointments only

WELL EXAMS, FOLLOW-UP APPOINTMENTS &
SAME-DAY SICK VISITS

(949) 951-5437

Phone lines are open from 8:00 a.m. to 5:00 p.m. Monday through Friday

SATURDAY SAME-DAY SICK VISITS
(Established patients only)

Phone lines are open at 8:00 a.m.

All visits are by appointment only – No Walk-in’s please