Mr. Mark Thielen Mft
About this NPIWhat this record shows.
NPI 1851545099 is registered to Mr. Mark Thielen Mft, a Marriage & Family Therapist practising at 698 Whiting St, Suite D in Grass Valley, California. Marriage & Family Therapist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mr. Mark Thielen Mft has been enumerated in the National Provider Identifier (NPI) registry since 2008.
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 Mr. Mark Thielen Mft accepts. To confirm in-network status with your specific health plan, contact Mr. Mark Thielen Mft directly at (530) 271-7266.
Frequently asked
Yes. NPI 1851545099 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Marriage & Family Therapist 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) 271-7266.
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. Mr. Mark Thielen Mft is a Type-1 individual NPI.