Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Reuven Klappholz
Peer Specialist in Flushing, NY · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225407893
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Registry record
Entity type Individual (Type 1)
Name Mr. Reuven Klappholz
Sex Male
Practice address 14202 20th Ave, Flushing, NY, 11351
Phone (347) 804-6007
Enumeration date Sep 24, 2015
Last updated in NPPES Sep 24, 2015
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Reuven Klappholz?
Reuven Klappholz is registered in NPPES with the primary taxonomy of Peer Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-09-24.