NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Maurice Klein, M.D.

Surgery Physician in Roslyn Heights, NY · enumerated 2006 · practices at Maurice Klein, MD,PC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356304448

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Maurice Klein
Credential M.D.
Sex Male
Practice address Roslyn Heights, NY, 11577
Enumeration date Apr 10, 2006
Last updated in NPPES Jun 3, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 086510 (NY) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Maurice Klein's NPI record?
Cross-check NPI 1356304448 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1356304448 active?
Yes, as of the latest NPPES snapshot, NPI 1356304448 is active (record last updated 2008-06-03).

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-03.