NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Matthew Felgus, MD, LLC

Psychiatry Physician in Madison, WI · enumerated 2025 · authorized official Matthew Felgus, MD.

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

National Provider Identifier

1942171087

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Matthew Felgus, MD, LLC
Practice address 6402 Odana Road, Suite 106, Madison, WI, 53719
Fax (608) 257-1599
Enumeration date Sep 12, 2025
Last updated in NPPES Sep 12, 2025

Taxonomy & classification

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Matthew Felgus
Title MD

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

Who is the authorized official for Matthew Felgus, MD, LLC?
NPPES lists Matthew Felgus (MD) as the authorized official for this organization.
What is the NPI number for Matthew Felgus, MD, LLC?
The NPI for Matthew Felgus, MD, LLC is 1942171087, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-12.