Eureka Community Health Center 2200 Tydd Street Eureka, CA 95501 Phone: (707) 441-1624 Fax: (707) 441-1253 Pediatrics: (707) 269-7057 Directions Welcome to Eureka Community Health Center Our Providers Oluchi Okwandu, NP Steven Aussenberg, MD Angelo Alfano, FNP-C William Carlson, MD Joseph.