Jill Tiefen LCSW
About this NPIWhat this record shows.
NPI 1669762589 is registered to Jill Tiefen LCSW, a Clinical Social Worker practising at 291 Franklin Ave in Wyckoff, New Jersey. Clinical Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Jill Tiefen LCSW has been enumerated in the National Provider Identifier (NPI) registry since 2011.
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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 Jill Tiefen LCSW accepts. To confirm in-network status with your specific health plan, contact Jill Tiefen LCSW directly at (201) 847-0119.
Frequently asked
Yes. NPI 1669762589 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Social Worker 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 (201) 847-0119.
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. Jill Tiefen LCSW is a Type-1 individual NPI.