Clinic Locations and Hours
Lassen Medical Clinic - Red Bluff Location
2450 Sister Mary Columba Drive
Red Bluff, CA 96080
Phone: (530) 527-0414
Fax: 530.528.4423
Regular Business Hours Monday through Friday: 8:00 a.m. to 5:00 p.m.
Please note: Lassen Medical Clinic will be closed on Sundays during the summer months.
Acute Care Clinic
Monday through Friday: 8:00 a.m. to 5:30 p.m.
Saturday: 8:00 a.m. to 4:00 p.m.
Sunday: Closed
Radiology Department (X-ray)
Monday through Friday: 8:00 a.m. to 5:30 p.m.
Laboratory Department
Monday through Friday: 7:00 a.m. to 4:45 p.m.
Pediatric Shot Room/Immunizations
Monday through Friday: 8:30 a.m. to 4:30 p.m.
After-Hours Service
For emergencies, always call 911. If you need to leave a message for us, please call our answering service at (855) 548-9492.
Lassen Medical Clinic - Cottonwood Location
20833 Long Branch Drive
Cottonwood CA 96022
Phone: (530) 347-3418
Fax: 530.347.5297
Regular Business Hours
Monday through Friday: 7:30 a.m. to 5:00 p.m.
Acute Care Clinic
Monday through Friday: 8:00 a.m. to 5:00 p.m.
Saturday-Sunday: Closed
Laboratory Department
Monday through Thursday: 7:30 a.m. to 3:55 p.m.
Fridays: 7:30 a.m. to 2:15 p.m.
Closed for Lunch, Monday-Friday: 11:55 a.m. - 1:30 p.m.
Pediatric Shot Room/Immunizations
Monday through Friday: 8:30 a.m. to 4:30 p.m.
Closed for Lunch from 1:00 p.m. to 2:00 p.m.
After-Hours Service
For emergencies, always call 911. If you need to leave a message for us, please call our answering service at (855) 489-3957.
2023 Holiday Hours
Click here to see a PDF of our 2023 Holiday Hours
