Sierra Klaassens
About this NPIWhat this record shows.
NPI 1427921097 is registered to Sierra Klaassens, a Counselor practising at 287 Boulevard Ste 2 in Pompton Plains, New Jersey. Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Sierra Klaassens 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 Sierra Klaassens accepts. To confirm in-network status with your specific health plan, contact Sierra Klaassens directly at (845) 393-4723.
Frequently asked
Yes. NPI 1427921097 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 (845) 393-4723.
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. Sierra Klaassens is a Type-1 individual NPI.