Jonathan Mah Radt
About this NPIWhat this record shows.
NPI 1124905484 is registered to Jonathan Mah Radt, a Addiction Counselor practising at 159 Brentwood Dr in Grass Valley, California. Addiction Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Jonathan Mah Radt has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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 Jonathan Mah Radt accepts. To confirm in-network status with your specific health plan, contact Jonathan Mah Radt directly at (530) 273-9541.
Frequently asked
Yes. NPI 1124905484 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Addiction 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 (530) 273-9541.
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. Jonathan Mah Radt is a Type-1 individual NPI.