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Kenneth G Rosenthal M.D.PC

Internal Medicine Physician in Port Jefferson Station, NY · enumerated 2010 · authorized official Kenneth Rosenthal, President.

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

National Provider Identifier

1528372265

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Registry record

Entity type Organization (Type 2)
Legal business name Kenneth G Rosenthal M.D.PC
Practice address 5360 Nesconset Hwy, Port Jefferson Station, NY, 11776
Phone (631) 331-3221
Fax (631) 509-5611
Enumeration date Aug 5, 2010
Last updated in NPPES Sep 24, 2012

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Kenneth Rosenthal
Title President
Phone (631) 331-2121

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.

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Frequently asked questions

What type of organization is Kenneth G Rosenthal M.D.PC?
Kenneth G Rosenthal M.D.PC is registered in NPPES as a Internal Medicine Physician (its primary provider taxonomy).
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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-24.