Welcome to Brownstone Dermatology Associates - Brownstone . ... Read More » Treatment Provider Portal. Find care for your patients. Refer a client Learn about our services. Treatment Provider Portal. Bishop Brownstone: 223 South Browne Street Spokane, WA 99201. 1(509)-381-6220. Bishop Eleanor Chase House: 427 West 7th Avenue Spokane, WA 99024 ....