Ilse Leijonancker
About this NPIWhat this record shows.
NPI 1356044549 is registered to Ilse Leijonancker, a Nutritionist practising at 21 Nieto Ave Apt D in Long Beach, California. Nutritionist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ilse Leijonancker has been enumerated in the National Provider Identifier (NPI) registry since 2023.
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 Ilse Leijonancker accepts. To confirm in-network status with your specific health plan, contact Ilse Leijonancker directly at (562) 240-3073.
Frequently asked
Yes. NPI 1356044549 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Nutritionist 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 (562) 240-3073.
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. Ilse Leijonancker is a Type-1 individual NPI.