NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

All Island Diagnostic Medical PC

Specialist in Holbrook, NY · enumerated 2011 · authorized official James Carlson, Doctor.

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

National Provider Identifier

1720383334

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name All Island Diagnostic Medical PC
Practice address 1069 Main St, Suite 334, Holbrook, NY, 11741
Fax (212) 255-2455
Enumeration date Jan 13, 2011
Last updated in NPPES Jan 13, 2011

Taxonomy & classification

174400000X Specialist Other Service Providers · License 204062 (NY) Primary

Authorized official

Name James Carlson
Title Doctor

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 is a Type 2 NPI?
A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.
What type of organization is All Island Diagnostic Medical PC?
All Island Diagnostic Medical PC is registered in NPPES as a Specialist (its primary provider taxonomy).

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-01-13.