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Screening & Testing

The OptumServe no-cost testing site for
COVID-19 testing is now open

Here is what you need to know:
  • Online registration can be done at
    • Phone registration (only for those without Internet access): (888) 634-1123
  • Walk-ins are welcome between the hours of 8 a.m. and 4 p.m. Before arriving, please complete the online preregistration.
  • If the person being tested has insurance, the insurance company will be billed. For uninsured individuals, the testing costs will be covered by the state.
  • Test result turnaround time is now typically 3-5 days.
  • Those tested will be given a card they can use to check for results later. Those who test positive for COVID-19 will be contacted by a nurse.
  • There are two OptumServe testing sites:
--Yuba County Library, 303 Second Street in Marysville -- 7 a.m. to 7 p.m.
--Also at Sutter County Veterans Hall - 1425 Veterans Memorial Circle, Yuba City

Other COVID-19 screening and testing locations*

Peach Tree, if you’re in Yuba County
Ampla, if you’re in Sutter County 

*We know that by posting these locations many may feel compelled to show up for testing even without a recommendation from a doctor. Please do not do this as it is not safe for staff. Contact Peach Tree Health or Ampla Health after discussion with your doctor.

Ampla Health

 Health Lindhurst Medical & Xpress Care
4941 Olivehurst Avenue, Olivehurst, CA
(530) 743-4611
Medical Hours
Mon-Fri 8 a.m.-6 p.m.
Xpress Care Hours
Mon- Sat 9 a.m.-7 p.m.
Sun & Holidays 9 a.m.-4 p.m.
Closed for Lunch 12 p.m.-12:12:30 p.m.
Ampla Health Richland Medical
334 Samuel Street. Yuba City, CA
(530) 674-9200
Mon & Thurs 8 a.m.-7 p.m.
Tues, Wed & Fri 8 a.m.-5 p.m.
Closed for Lunch 1 p.m.-2 p.m.
Ampla Health Yuba City Medical & Xpress Care
1000 Sutter Street, Yuba City, CA
(530) 673-9420
Medical Hours 
Mon-Fri 7 a.m.-5 p.m.
Xpress Care Hours 
Mon-Sat 9 a.m.-7 p.m.
Sun & Holidays
9 a.m.-4 p.m.
Closed for lunch 12 p.m.-1 p.m.
Ampla Health Yuba City Pediatrics
932 Market Street, Yuba City, CA
(530) 671-8820
Mon-Fri 7:30 a.m.-5:30 p.m.
(530) 671-8820
Mon-Fri 7:30 a.m.-5:30 p.m.

Peach Tree Health

Peach Tree Clinic-Linda
5730 Packard Ave, Suite 500, Marysville, CA 95901

Testing Hours: 9:30 a.m.- 3 p.m. by appointment only.
Phone: 530-749-3242
*Temporarily for Peach Patients Only. Patients need to pull up on the east side of the building for now (side entrance for Pediatrics).  When patients arrive, please stay in your car and call 749-3242.  A provider will be out shortly.

Harmony Health

1908 North Beale Road, Suite E. 
Mon-Fri 8 a.m.-7 p.m.
Call (530) 743-6888 to alert nurses before your arrival.
*This testing location is for Harmony Health patients only.