Clifford Quan MD
About this NPIWhat this record shows.
NPI 1235322264 is registered to Clifford Quan MD, a Infectious Disease practising at 4501 Sand Creek Rd in Antioch, California. Infectious Disease is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Clifford Quan MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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
- I20091121000109Infectious DiseaseCA
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 Clifford Quan MD accepts. To confirm in-network status with your specific health plan, contact Clifford Quan MD directly at (925) 295-4612.
Frequently asked
Yes. NPI 1235322264 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Infectious Disease 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) 295-4612.
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. Clifford Quan MD is a Type-1 individual NPI.