Chiropractors, massage therapists, physical and occupational therapists, acupuncturists and naturopaths who list the same practice address and suite in the federal NPI registry. Walnut Creek ZIPs 94595–94598, inside city limits and in unincorporated Contra Costa.
Source: CMS NPI Registry API (practice-location addresses), pulled October 24, 2026; city limits from Contra Costa County GIS; unincorporated area names from Census CDPs. A shared address shows that providers list the same suite, not that they share a lease or business. Registry addresses can lag after a move. Hospital outpatient sites (Shadelands, John Muir) appear as large circles.