NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert C Giacobbe, D.O.

Internal Medicine Physician in Port Jefferson Station, NY · enumerated 2006 · practices at North Shore Internal Medicine, PC.

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

National Provider Identifier

1154394930

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Robert C Giacobbe
Credential D.O.
Sex Male
Practice address 9 Medical Dr, Suite B, Port Jefferson Station, NY, 11776
Phone (631) 473-3900
Fax (631) 474-4475
Enumeration date Feb 10, 2006
Last updated in NPPES Sep 5, 2013

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 1888891 (NY) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

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 the NPI number for Robert Giacobbe?
The National Provider Identifier (NPI) for Robert Giacobbe is 1154394930, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Giacobbe practice?
The practice location on file with NPPES is in Port Jefferson Station, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-09-05.