Mathias Karnstedt
About this NPIWhat this record shows.
NPI 1689407686 is registered to Mathias Karnstedt, a Behavior Technician practising at 1333 S Mayflower Ave in Monrovia, California. Behavior Technician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mathias Karnstedt has been enumerated in the National Provider Identifier (NPI) registry since 2024.
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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 Mathias Karnstedt accepts. To confirm in-network status with your specific health plan, contact Mathias Karnstedt directly at (818) 241-6780.
Frequently asked
Yes. NPI 1689407686 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Behavior Technician 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 (818) 241-6780.
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. Mathias Karnstedt is a Type-1 individual NPI.