Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Grant Matthew Mascolo

Case Manager/Care Coordinator in Eugene, OR · enumerated 2025.

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

National Provider Identifier

1326842600

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mr. Grant Matthew Mascolo

Sex Male

Practice address Eugene, OR, 97401

Phone (541) 228-8950

Enumeration date Apr 3, 2025

Last updated in NPPES Apr 3, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers 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 Grant Mascolo?

The National Provider Identifier (NPI) for Grant Mascolo is 1326842600, a Type 1 (individual) record in the CMS NPPES registry.

Where does Grant Mascolo practice?

The practice location on file with NPPES is in Eugene, OR. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-03.