Dr. William Nelson D.C.
About this NPIWhat this record shows.
NPI 1366581621 is registered to Dr. William Nelson D.C., a Chiropractor practising at 516 N Diamond Bar Blvd, Suite A in Diamond Bar, California. Chiropractor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. William Nelson D.C. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 2 PECOS enrollment records (each with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 15,793 Chiropractor providers on file in California.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20050201000226ChiropracticCA
- I20231227000566ChiropracticTN
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. William Nelson D.C. accepts. To confirm in-network status with your specific health plan, contact Dr. William Nelson D.C. directly at (909) 860-1301.
Frequently asked
Yes. NPI 1366581621 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Chiropractor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (909) 860-1301.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. William Nelson D.C. is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 15,793 Chiropractor providers are registered in California, and Dr. William Nelson D.C. is one of them. The figure refreshes each month from the federal source.