28881 Airoso St., Rancho Mission Viejo, CA 92694
925 Corporate Center Pkwy., Suite A Santa Rosa, CA 95405
Mon - Sun: 9:00 a.m. - 6:30 p.m.
Major Holidays: 9:00 am - 5:00 pm
1162 Montgomery Dr., 2nd Floor Santa Rosa, CA 95405
Mon. - Sat.: CLOSED Sun: 9 a.m. - 2 p.m. (Last walk-in patient at 1:30 p.m.)
1621 W. Imola Ave., Napa, CA 94559
9am to 6:30pm 7 days a week
Walk-in care may be limited due to high patient volumes. We recommend reserving your spot.
5630 E. Santa Ana Canyon Rd., Suite 100, Anaheim, CA 92807
Open Daily, 8 a.m. - 8 p.m. Note: Due to high volume, please call before departure to verify our hours and availability.
Holiday Hours: 8 a.m. - 5 pm. Martin Luther King Jr. Day - Monday, January 19 Memorial Day - Monday, May 25 4th of July - Saturday, July 4 Labor Day - Monday, September 7 Thanksgiving Thurs., Nov. 26: 8 a.m. - 12 p.m. Christmas Eve/Day Thurs., Dec. 24: 8 a.m. - 5 p.m. Fri., Dec. 25: 8 a.m. - 12 p.m. New Year's Eve/Day Thurs., Dec. 31: 8 a.m. - 5 p.m. Fri., Jan. 1: 8 a.m. - 5 p.m.
17043 Main St., Hesperia, CA 92345
26800 Crown Valley Pkwy., Suite 150 Mission Viejo, CA 92691
Daily (7 days a week): 8 a.m. - 8 p.m. (Last patient accepted at 7:30 p.m.) Please note hours and availability of our urgent cares may be impacted. We recommend you please call to confirm our hours before your departure.
Holiday Hours: 8 a.m. - 5 pm. Martin Luther King Jr. Day - Monday, January 19 Memorial Day - Monday, May 25 4th of July - Saturday, July 4 Labor Day - Monday, September 7
Thanksgiving Thurs., Nov. 26: 8 a.m. - 12 p.m. Christmas Eve/Day Thurs., Dec. 24: 8 a.m. - 5 p.m. Fri., Dec. 25: 8 a.m. - 12 p.m. New Year's Eve/Day Thurs., Dec. 31: 8 a.m. - 5 p.m. Fri., Jan. 1: 8 a.m. - 5 p.m.
Due to high volume, please call before departure to verify our hours and availability.
18310 Highway 18, Apple Valley, CA 92307
Mon – Sat: 9 a.m. – 9 p.m.; Sun: 9 a.m. – 5 p.m. Hours may vary during seasonal times
Holiday Hours: 9 a.m. - 6 pm. Martin Luther King Jr. Day - Monday, January 19 Memorial Day - Monday, May 25 4th of July - Saturday, July 4 Labor Day - Monday, September 7 Thanksgiving Thurs., Nov. 26: 9 a.m. - 1:00 p.m.
Christmas Eve / Christmas Day Thurs., Dec. 24: 9 a.m. - 6 p.m. Fri., Dec. 25: 9 a.m. - 1:00 p.m. New Year's Eve/Day Thurs., Dec. 31: 9 a.m. - 6 p.m. Fri., Jan. 1: 9 a.m. - 6 p.m.
1450 Medical Center Dr., Rohnert Park, CA 94928
Weekends: Please visit Santa Rosa Urgent Care or Windsor Urgent Care Locations.
CLOSED ALL MAJOR HOLIDAYS
27231 La Paz Rd., Suite A Laguna Niguel, CA 92677
Mon - Fri: 8 a.m. - 7:30 p.m. Closed on Saturday and Sunday. For needs outside of our hours, please visit our nearby Mission Viejo Urgent Care.
Holiday Hours: Labor Day Schedule Saturday, Sept. 5: 9 a.m. - 5 p.m. Tuesday, Sept. 7: 8 a.m. - 8 p.m. Wed., Nov. 27 - 8 a.m.- 5 p.m. Mon., Jan 17 - CLOSED
Closed: Martin Luther King Jr. Day, Easter, Memorial Day, Independence Day, Labor Day, Thanksgiving, Christmas, New Year's Day.
2501 E. Chapman Ave., Suite 101 Orange, CA 92869
Open seven days a week, daily: 8 a.m. - 8 p.m.
12550 Hesperia Rd., Suite 100 Victorville, CA 92395
Mon - Sat: 8 a.m. - 8 p.m.; Sun: 9 a.m. - 5 p.m.
Thanksgiving Thurs., Nov. 26: 8 a.m. - 12:00 p.m. Christmas Eve / Christmas Day Thurs., Dec. 24: 8 a.m. - 5 p.m. Fri., Dec. 25: 8 a.m. - 12:00 p.m. New Year's Eve/Day Thurs., Dec. 31: 8 a.m. - 5 p.m. Fri., Jan. 1: 8 a.m. - 5 p.m.
15855 Pomona Rincon Rd, Chino Hills, CA 91709
8 a.m. - 8 p.m, 7 days a week Note: Due to high volume, please call before departure to verify our hours and availability.
363 S. Main St., Suite 110 Orange, CA 92868
Holiday Hours: 8 a.m. - 5 pm. Martin Luther King Jr. Day - CLOSED Memorial Day - CLOSED 4th of July - Saturday, July 4 Labor Day - Monday, September 7 Thanksgiving Thurs., Nov. 26: 8 a.m. - 12 p.m. Christmas Eve/Day Thurs., Dec. 24: 8 a.m. - 5 p.m. Fri., Dec. 25: 8 a.m. - 12 p.m. New Year's Eve/Day Thurs., Dec. 31: 8 a.m. - 5 p.m. Fri., Jan. 1: 8 a.m. - 5 p.m.
395 W Avenida Vista Hermosa, Ste. F, San Clemente, CA 92672
Mon: Urgent Care open 8 a.m. - 8 p.m. Tue - Fri: Primary Care Walk-in 8 a.m. - 4 p.m, Urgent Care 4 p.m. - 8 p.m. Sat - Sun: Urgent Care 8 a.m. - 5 p.m.
2251 N. Harbor Blvd., Fullerton, CA 92835
Open daily from 8 a.m. to 8 p.m. (Please note last patient check in is at 7:00 p.m.) Holiday Hours: 8 a.m. - 5 pm. Martin Luther King Jr. Day - Monday, January 19 Memorial Day - Monday, May 25 4th of July - Saturday, July 4 Labor Day - Monday, September 7 Thanksgiving Thurs., Nov. 26: 8 a.m. - 12 p.m. Christmas Eve/Day Thurs., Dec. 24: 8 a.m. - 5 p.m. Fri., Dec. 25: 8 a.m. - 12 p.m. New Year's Eve/Day Thurs., Dec. 31: 8 a.m. - 5 p.m. Fri., Jan. 1: 8 a.m. - 5 p.m.
6580 Hembree Ln., Suite 270 Windsor, CA 95492
CLOSED ON MAJOR HOLIDAYS
500 Doyle Park Dr., Suite 106 Santa Rosa, CA 95405
Mon - Sun: 9:00 a.m. - 6:30 p.m. Major Holidays: 9:00 a.m. - 5:00 p.m.
The Golden State Patient Experience Awards is Providence’s California-wide program recognizing providers in Northern and Southern California who consistently deliver outstanding patient experiences, based on patient feedback and experience scores.
Phone: (949) 542-8004
Dr. Barrera's interests include intensive management of diabetes, hypertension and lipid disorders.
He is also involved in the management of prediabetic conditions including metabolic syndrome and polycystic ovarian syndrome.
He has been the principal investigator for numerous clinical trials involving the development of new therapies for diabetes, blood pressure and thyroid cancer. He has lectured extensively to physician colleagues and patient groups in the area of cardiovascular risk management and preventive endocrinology. Prior to joining Mission Internal Medical Group, Dr. Barrera was the Medical Director of the Diabetes Program at Alta Bates Hospital in Berkeley, California and a team physician for the Oakland Athletics baseball team.
He was also a physician consultant for the KRON and KTVU/Fox news stations in the San Francisco Bay Area.
National Board of Physicians and Surgeons, Internal Medicine