Dr. Gerardo Contreras D.C.
About this NPIWhat this record shows.
NPI 1659441962 is registered to Dr. Gerardo Contreras D.C., a Chiropractor practising at 4200 East Ave, Ste. B in Livermore, California. Chiropractor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Gerardo Contreras D.C. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment 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
- I20031118001193ChiropracticCA
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. Gerardo Contreras D.C. accepts. To confirm in-network status with your specific health plan, contact Dr. Gerardo Contreras D.C. directly at (925) 606-5490.
Frequently asked
Yes. NPI 1659441962 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 (925) 606-5490.
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. Gerardo Contreras D.C. is a Type-1 individual NPI.