Seiden & Porjesz LLP
About this NPIWhat this record shows.
NPI 1225127434 is registered to Seiden & Porjesz LLP, a healthcare organisation classified as "Clinical Psychologist" and located at 525 West End Ave Suite #7e, Yvonne Porjesz PHD in New York, New York. The organisation's authorised official is Yvonne Porjesz. The organisation has been enumerated in the NPI registry since 2006.
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 Seiden & Porjesz LLP accepts. To confirm in-network status with your specific health plan, contact Seiden & Porjesz LLP directly at (212) 874-5437.
Frequently asked
Yes. NPI 1225127434 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Psychologist 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) 874-5437.
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. Seiden & Porjesz LLP is a Type-2 organisational NPI.