NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert L. Weston

Internal Medicine Physician in Oshkosh, WI · enumerated 2006 · practices at University of Wisconsin System Non Payroll.

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

National Provider Identifier

1336168798

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Robert L. Weston
Sex Male
Practice address 777 Algoma Blvd, Oshkosh, WI, 54901
Enumeration date Jul 18, 2006
Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 22575-020 (WI) 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 is the NPI number for Robert Weston?
The National Provider Identifier (NPI) for Robert Weston is 1336168798, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Weston practice?
The practice location on file with NPPES is in Oshkosh, WI. 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 2007-07-09.