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 15 Memorial Day - Monday, May 27 4th of July - Thursday, July 4 Labor Day - Monday, September 2 Thanksgiving Thurs., Nov. 28: 8 a.m. - 12 p.m. Christmas Eve/Day Tues., Dec. 24: 8 a.m. - 5 p.m. Wed., Dec. 25: 8 a.m. - 12 p.m. New Year's Eve/Day Tues., Dec. 31: 8 a.m. - 5 p.m. Wed., 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.
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 15 Memorial Day - Monday, May 27 4th of July - Thursday, July 4 Labor Day - Monday, September 2 Thanksgiving Thurs., Nov. 28: 9 a.m. - 1:00 p.m.
Christmas Eve / Christmas Day Tues., Dec. 24: 9 a.m. - 6 p.m. Wed., Dec. 25: 9 a.m. - 1:00 p.m. New Year's Eve/Day Tues., Dec. 31: 9 a.m. - 6 p.m. Wed., 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.
Holiday Hours: 8 a.m. - 5 pm. Martin Luther King Jr. Day - Monday, January 15 Memorial Day - Monday, May 29 4th of July - Thursday, July 4 Labor Day - Monday, September 2 Thanksgiving Thurs., Nov. 28: 8 a.m. - 12 p.m. Christmas Eve/Day Tues., Dec. 24: 8 a.m. - 5 p.m. Wed., Dec. 25: 8 a.m. - 12 p.m. New Year's Eve/Day Tues., Dec. 31: 8 a.m. - 5 p.m. Wed., Jan. 1: 8 a.m. - 5 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.
Holiday Hours: 8 a.m. - 5 pm. Martin Luther King Jr. Day - Monday, January 15 Memorial Day - Monday, May 27 4th of July - Thursday, July 4 Labor Day - Monday, September 2 Thanksgiving Thurs., Nov. 28: 8 a.m. - 12:00 p.m. Christmas Eve / Christmas Day Tues., Dec. 24: 8 a.m. - 5 p.m. Wed., Dec. 25: 8 a.m. - 12:00 p.m. New Year's Eve/Day Tues., Dec. 31: 8 a.m. - 5 p.m. Wed., 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.
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 15 Memorial Day - Monday, May 27 4th of July - Thursday, July 4 Labor Day - Monday, September 2 Thanksgiving Thurs., Nov. 28: 8 a.m. - 12 p.m. Christmas Eve/Day Tues., Dec. 24: 8 a.m. - 5 p.m. Wed., Dec. 25: 8 a.m. - 12 p.m. New Year's Eve/Day Tues., Dec. 31: 8 a.m. - 5 p.m. Wed., 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.
Phone: (707) 528-1050
Fax: (707) 525-3874
Dr. Keiser graduated from the University of Illinois with a Bachelors Degree in Chemistry. He attended Stanford Medical School where also completed his residency work and has a fellowship from Yale University in Medical Oncology. Dr. Keiser joined Redwood Regional Medical Group in 1977 and presently serves as Principal Investigator for Redwood's gastrointestinal clinical trials. He also is President of the Association of Northern California Oncologists (ANCO).
Dr. Keiser is also on Medical Staff at all local hospitals in Santa Rosa and surrounding cities, including Petaluma, Lakeport, Sonoma and Ukiah.
American Board of Internal Medicine, Medical Oncology American Board of Internal Medicine, Internal Medicine
Website Information www.stjosephhealthmedicalgroup.com