Warren Williamson P.A.
About this NPIWhat this record shows.
NPI 1912951823 is registered to Warren Williamson P.A., a Physician Assistant practising at 220 South 12th Avenue, Maricopa County Health Care For The Homeless in Phoenix, Arizona. Physician Assistant is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Warren Williamson P.A. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 943896AZ
Source: NPPES public registry.
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 Warren Williamson P.A. accepts. To confirm in-network status with your specific health plan, contact Warren Williamson P.A. directly at (602) 372-2117.
Frequently asked
Yes. NPI 1912951823 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Physician Assistant 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 (602) 372-2117.
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. Warren Williamson P.A. is a Type-1 individual NPI.