William Barker Lac
About this NPIWhat this record shows.
NPI 1174469589 is registered to William Barker Lac, a Counselor practising at 4888 N Stone Ave Unit 120 in Tucson, Arizona. Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Barker Lac has been enumerated in the National Provider Identifier (NPI) registry since 2026.
Your brand here.
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 Barker Lac accepts. To confirm in-network status with your specific health plan, contact William Barker Lac directly at (520) 670-3909.
Frequently asked
Yes. NPI 1174469589 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Counselor 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 (520) 670-3909.
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 Barker Lac is a Type-1 individual NPI.