| Business | Phone |
| John Muir Foundation 1400 Treat Blvd, Walnut Creek 94597 | (925) 947-4449 |
| John Muir Medical Center 1601 Ygnacio Valley Rd, Walnut Creek 94598 | (925) 939-3000 |
| Sierra Surgi-Center 1601 Ygnacio Valley Rd, Walnut Creek 94598 | (925) 947-5276 |
| Kaiser Permanente 320 Lennon Ln, Walnut Creek 94598 | (925) 906-2525 |
| Kaiser Permanente Medical Center 1425 S Main St, Walnut Creek 94596 | (925) 295-4000 |
| Osteoporosis Center 1656 N California Blvd, Walnut Creek 94596 | (925) 935-1679 |