State by state and city by city, find your nearest dog and cat hospital or animal emergency clinic. For example:

Q: I'm looking for the cat hospital in Sheridan, WY
A: Simple! Just surf to: Small Animal Clinics > Wyoming > Sheridan  

Q: How can I find the cat doctor closest to me in Esko, MN]?
A: The "Kitty Dr." can be found here: Small Animal Clinics > Minnesota > Esko

Portland

Davis Matthew C DVM, 5055 Ne Fremont St, Portland, OR 97213; call: 503-636-5681; located in or near Multnomah county

Davis Peter DVM, 4818 N Lombard St, Portland, OR 97203; call: 503-289-4996; located in or near Multnomah county

Dillon Heather B DVM, 3000 N Lombard St, Portland, OR 97217; call: 503-285-0462; located in or near Multnomah county

Ekerson Jon M DVM, 2100 Se Ochoco St, Portland, OR 97222; call: 503-654-8511; located in or near Clackamas county

Hawkins Libbi DVM, 4421 Sw Vermont St, Portland, OR 97219; call: 503-245-7275; located in or near Multnomah county

Helfer Carol DVM, 4945 Sw 77th Ave, Portland, OR 97225; call: 503-291-7400; located in or near Washington county

Huff Patricia DVM, 2519 E Burnside St, Portland, OR 97214; call: 503-233-5001; located in or near Multnomah county

Jandi Avie DVM MS, 10245 Sw Park Way, Portland, OR 97225; call: 503-292-0931; located in or near Washington county

Lathrop Gregory W DVM, 3654 Se Powell Blvd, Portland, OR 97202; call: 503-236-1834; located in or near Multnomah county

Marks Merle F DVM, 18110 Se Division St, Portland, OR 97236; call: 503-665-1194; located in or near Multnomah county

Maun Kimberly L DVM, 2680 Nw Thurman St, Portland, OR 97210; call: 503-227-6047; located in or near Multnomah county