| Dr. Jeffrey Frost | 136 Glasson Way | Grass Valley, CA 95945 | 272-0200 | ||
| Dr. Elisabeth B. Lernhardt | 11286 Pleasant Valley Road | Penn Valley, CA 95946 | 432-1300 | ||
| Dr. Michael Northcutt, Suite 10 | 10563 Brunswick Road | Grass Valley, CA 95945 | 272-0505 | ||
| Dr. Robert Peppercorn, Dr. Foy Cox | 11386 Pleasant Valley Road | Penn Valley, CA 95946 | 432-2624 | ||
| Wildwood Medical, Inc. | 11244 Pleasant Valley Road | Penn Valley, CA 95946 | 432-4937 |