William Ko MD
About this NPIWhat this record shows.
NPI 1629011762 is registered to William Ko MD, a Anesthesiology, Pain Medicine practising at 100 E Valencia Mesa Dr, Suite 310 in Fullerton, California. Anesthesiology, Pain Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Ko MD 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
- I20061219000259Interventional Pain ManagementCA
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 William Ko MD accepts. To confirm in-network status with your specific health plan, contact William Ko MD directly at (714) 446-5200.
Frequently asked
Yes. NPI 1629011762 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Anesthesiology, Pain Medicine 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 (714) 446-5200.
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. William Ko MD is a Type-1 individual NPI.