Hospitals ⇢ CA ⇢ Modoc Medical Center. Get a ride. 3 MIN AWAY. $8-10 on UberX. Get a ride. Lyft in 4min. $8-10. 228 W McDowell Ave, Alturas, CA 96101, USA (530) 233-5131. Website. Patient Portal. Order Your Records. Emergency? Dial 911 or go to your nearest emergency room. Services. Emergency: Emergency Department. Subprovider Units: Swing ....