Irving Hahn LCSW
About this NPIWhat this record shows.
NPI 1164638375 is registered to Irving Hahn LCSW, a Clinical Social Worker practising at 5 W 86th St, Suite 1d in New York, New York. Clinical Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Irving Hahn LCSW has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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 Irving Hahn LCSW accepts. To confirm in-network status with your specific health plan, contact Irving Hahn LCSW directly at (212) 580-3535.
Frequently asked
Yes. NPI 1164638375 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 (212) 580-3535.
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. Irving Hahn LCSW is a Type-1 individual NPI.