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

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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 Walk-In Clinic – Closing hours may vary depending on patient volume
Monday through Friday: 8:00 a.m. to 5:30 p.m.
Saturday: 8:00 a.m. to 4:00 p.m.
Sunday: 9:00 a.m. to 3:00 p.m.

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.
Closed for Lunch from 12:30 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) 548-9492.

Lassen Medical Clinic - Cottonwood Location

20833 Long Branch Drive
Cottonwood CA 96022
Phone: (530) 347-3418
Fax: 530.347.5297

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Regular Business Hours
Monday through Friday: 7:30 a.m. to 5:00 p.m.
Closed for lunch 12:30-2:00pm daily

Acute Care Walk-In Clinic
Acute care walk in will be closed from October 25-November 30th

Laboratory Department
Monday through Thursday: 7:30 a.m. to 3:55 p.m.
Fridays: 7:30 a.m. to 11:55 a.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.

See Our 2021 Holiday Hours