Medical Group - Cherry Park Cherry Park 10000 SE Main St., Suite 224 Portland, Oregon 97216 Fax: 503-255-2194 For Appointments call 503-255-2186 Specialty Family Medicine Providers Leonard R. Bertheau, DO Nancy M. Ronan, FNP R. Frank Warda, MD View Larger Map Health Plans Accepted Most major health plans are accepted. Please call to verify if a particular insurance plan is accepted.