Find an organization's NPI
2 active organization NPIs are registered under names beginning "Simpson Chiropractic Oc" in California. Each location can bill under its own NPI, so add the city to find the one you need.
1 to 2 of 2, exact name first
- Simpson Chiropractic Oc PC1841838497
Chiropractor · Costa Mesa, CA · issued Dec 13, 2019
- Simpson Chiropractic Oc PC1659919207
Chiropractor · Costa Mesa, CA · issued Dec 13, 2019
Source: CMS NPPES monthly file of Aug 9, 2026, organization (Type 2) records.