Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Brian Hilbert Irwin, M.D.
Urology Physician in Burlington, VT · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619174612
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Registry record
Entity type Individual (Type 1)
Name Dr. Brian Hilbert Irwin
Credential M.D.
Sex Male
Practice address 111 Colchester Ave. Acc/ Ep5, Fahc Urology, Burlington, VT, 05401
Phone (802) 847-2884
Fax (802) 847-6020
Enumeration date Jul 2, 2007
Last updated in NPPES Aug 18, 2009
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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.
Frequently asked questions
What is the NPI number for Brian Irwin?
The National Provider Identifier (NPI) for Brian Irwin is 1619174612, a Type 1 (individual) record in the CMS NPPES registry.
Where does Brian Irwin practice?
The practice location on file with NPPES is in Burlington, VT. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-08-18.