Dianna Grantham Lac, Lcpc
About this NPIWhat this record shows.
NPI 1639578974 is registered to Dianna Grantham Lac, Lcpc, a Professional Counselor practising at 2475 Village Ln Ste 101 in Billings, Montana. Professional Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dianna Grantham Lac, Lcpc has been enumerated in the National Provider Identifier (NPI) registry since 2014.
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 Dianna Grantham Lac, Lcpc accepts. To confirm in-network status with your specific health plan, contact Dianna Grantham Lac, Lcpc directly at (406) 927-6119.
Frequently asked
Yes. NPI 1639578974 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Professional 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 (406) 927-6119.
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. Dianna Grantham Lac, Lcpc is a Type-1 individual NPI.