Western Sierra Medical Clinic sites and services will be closed in observance of the following holidays:
New Year’s Day, Martin Luther King Jr. Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day & Day after Thanksgiving, Staff Training Inservice Day (December 12, 2025) ,Christmas Eve (closing early at 3:00 pm), and Christmas Day
Urgent Care services at Old Tunnel, Grass Valley will be closed in observance of the following holidays:
New Year’s Day, Thanksgiving Day, and Christmas Day.
For all other observances, Urgent Care will be open from 9:00 am – 4:00 pm
Closed the 1st Tuesday of January, April, July, and October from 12:30 pm – 2:00 pm
Closed the 3rd Thursday of January, April, July, and October from 8:00 am-9:00 am
Grass Valley Old Tunnel
844 Old Tunnel Road
Grass Valley, CA 95945
Medical, Dental, Pediatrics, Podiatry, Chiropractic, Behavioral Health, Psychiatry, Cardiology, and Medication Assisted Treatment services available
Phone: 530-274-WSMC (9762)
Fax: 866-329-5646
Appointments
Monday – Friday: 7:00 am – 5:00 pm
On Call After-Hours
Guardia después del horario de atención
Urgent Care
Monday – Friday: 8:00 am – 7:00 pm
(subject to provider availability)
Saturday and Sunday: 10:00 am – 6:00 pm
(subject to provider availability)
*Our clinic closes promptly at the times listed. Last check-in for appointments is 30 minutes before that time. High patient volume may affect waiting times or the ability to be seen. We appreciate your patience and understanding.
Urgent Care Holiday Hours:
New Year’s Day
CLOSED
Martin Luther King Jr. Day
10am-4pm
Memorial Day
10am-4pm
Independence Day
10am-4pm
Labor Day
10am-4pm
Staff Training Inservice Day,
Friday, December 12, 2025
OPEN
Thanksgiving Day
CLOSED
Day after Thanksgiving
10am-4pm
Christmas Day
CLOSED
Pharmacy
Monday – Friday: 9:00 am – 5:00 pm
Closed: 1:00 pm – 1:30 pm
Phone: 530-273-0182
Fax: 530-273-0698
Lab
Monday – Friday: 8:15 am – 4:30 pm
Closed: 1:00 pm – 1:30 pm
Phone: 530-272-7898
Information Only – No Appointments
Grass Valley Glasson
150 Glasson Way
Grass Valley, CA 95945
Directions
Women’s Health, OB, Newborn services, Teen Clinic, and Chiropractic available
Phone: 530-802-0400
Fax: 866-329-5646
Appointments
Monday – Friday: 8:00 am – 5:00 pm
Lunch: 12:00 pm – 1:00 pm
On Call After-Hours
Guardia después del horario de atención