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 every 3rd Thursday from 8:00 am-9:00 am, and the 1st Tuesday of January, April, July, and October from 12:30 pm – 2:00 pm
Grass Valley Old Tunnel
844 Old Tunnel Road
Grass Valley, CA 95945
Medical, Dental, Pediatrics, Podiatry, Chiropractic, Behavioral Health, Psychiatry, Cardiology, and MAT 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)
The last patient check-in for the day is 6:30 pm*
Saturday and Sunday
10:00 am – 6:00 pm (subject to provider availability)
The last patient check-in for the day is 5:30 pm*
*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.
Closed 12:30 pm – 1:00 pm
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
Last patient seen at 4:15pm; closed 12:30-1:15pm
Phone: 530-272-7898 for information only — no appointments
Grass Valley Glasson
150 Glasson Way
Grass Valley, CA 95945
Directions
Women’s Health, OB, Newborn services, and Chiropractic available
Phone: 530-802-0400
Fax: 866-329-5646
Appointments
Medical: Monday – Friday, 8:00 am – 5:00 pm
Closed 12:00 pm – 1:00 pm
On Call After-Hours
Guardia después del horario de atención