Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Stephen Mendelsohn, PHARMACIST (RPH)

Pharmacist in Bethpage, NY · enumerated 2010.

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

National Provider Identifier

1144531427

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Registry record

Entity type Individual (Type 1)

Name Mr. Stephen Mendelsohn

Credential PHARMACIST (RPH)

Sex Male

Practice address 4277 Hempstead Tpke., Bethpage Medical Pharmacy, Bethpage, NY, 11714

Phone (516) 796-4004

Fax (516) 520-3033

Enumeration date Jul 1, 2010

Last updated in NPPES Jul 1, 2010

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 36161 (NY) Primary

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

Is NPI 1144531427 active?

Yes, as of the latest NPPES snapshot, NPI 1144531427 is active (record last updated 2010-07-01).

How do I verify Stephen Mendelsohn's NPI record?

Cross-check NPI 1144531427 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-01.