Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John A Calamis

Pharmacist in Greenlawn, NY · enumerated 2010.

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

National Provider Identifier

1518297068

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Registry record

Entity type Individual (Type 1)

Name John A Calamis

Sex Male

Practice address 106 Broadway, Greenlawn, NY, 11740

Phone (631) 754-0532

Fax (631) 651-8414

Enumeration date Jan 6, 2010

Last updated in NPPES Jan 6, 2010

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 037368 (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

What specialty is John Calamis?

John Calamis is registered in NPPES with the primary taxonomy of Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-01-06.