DR. FRANCIS MARC GACEK DO
NPI 1437844214
Internal Medicine in Port Jefferson, NY
About Dr. Francis Marc Gacek Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FRANCIS MARC GACEK DO (NPI 1437844214) is an individual internal medicine provider in Port Jefferson, New York, licensed in New York (344406) and active in the NPI registry since April 2023.
NPPES Registry Identity
Specialties & Licenses
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Francis Gacek's NPI number?
The NPI number for Francis Gacek is 1437844214. It was assigned to this individual provider in the NPPES registry on April 7, 2023.
Where is Francis Gacek located?
Francis Gacek practices at 75 N Country Rd, Port Jefferson, NY 11777. The listed phone number is (631) 473-1320.
What is Francis Gacek's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
When was this NPI record last updated?
The NPPES record for Francis Gacek was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.