NPPES file of Aug 9, 2026

Brian Hilbert Irwin, M.D.

Urology Physician · Burlington, VT

Brian Hilbert Irwin, M.D. is a urology physician with a practice address in Burlington, Vermont, and NPI 1619174612, issued on Jul 2, 2007. Check the license (Vermont 0420011748, as entered in NPPES) on the Vermont Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619174612
Name
Brian Hilbert Irwin
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License number
0420011748 VT
Self-reported in NPPES; status is on the state search
Practice location
111 Colchester Ave. Acc/ EP5, Burlington, VT 05401
Phone
(802) 847-2884
Enumerated
Jul 2, 2007
Record last updated
Aug 18, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(802) 847-6020
Medicare enrollment
Enrolled (PECOS I20090518000167); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 2001
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Brian Hilbert Irwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVermont Board of Medical Practice
    Search for license 0420011748
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Vermont license search

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38% fewer Medicare Part D claims than the average urology physician in 2024

835 Medicare Part D claims for 256 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Brian Irwin835
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl284 claims
  2. Finasteride220 claims
  3. Ciprofloxacin Hcl64 claims
  4. Alfuzosin Hcl Er35 claims
  5. Oxybutynin Chloride29 claims
  6. Tadalafil23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. University OF Vermont Medical Center IncBurlington, VT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Brian Hilbert Irwin among 37 urology physician records in Vermont

Brian Hilbert Irwin, M.D. is one of 37 urology physician records with a practice address in Vermont. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 62% of them.

  • NPI issued2007 · 62% of these records are older, 27% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2001 · median 1999 among the 27 with a school on file
  • Record last updated2009 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Vermont practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Vermont

There are 37 urology physician records in Vermont.

The 8 urology physician records with the nearest ZIP codes

  1. John Bisson, M.D.Burlington, VT 054011205934247
  2. Curtis Cleveland, M.D.Burlington, VT 054011457745903
  3. Richard Grunert, MDBurlington, VT 054011245211143
  4. Peter Holoch, M.D.Burlington, VT 054011962611962
  5. Benjamin King, M.D.Burlington, VT 054011114293727
  6. Urszula KowalikBurlington, VT 054011790028579
  7. Andrew Mahoney, MDBurlington, VT 054011093796898
  8. Seyed Mohammad Mohaghegh Poor, MD, FRCSCBurlington, VT 054011992459655

Common questions

What is Brian Hilbert Irwin, M.D.'s NPI number?

Brian Hilbert Irwin, M.D.'s National Provider Identifier (NPI) is 1619174612, issued on Jul 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Brian Hilbert Irwin, M.D. located?

The NPPES record lists a practice address at 111 Colchester Ave. Acc/ EP5, Burlington, VT, 05401. Phone: (802) 847-2884. Providers update this record themselves, so call before visiting.

How can I verify Brian Hilbert Irwin, M.D.'s license?

NPPES lists Vermont license number 0420011748, as entered by the provider. Search the Vermont Board of Medical Practice at https://www.healthvermont.gov/systems/board-medical-practice. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Brian Hilbert Irwin, M.D. prescribe under Medicare Part D?

In 2024, Brian Hilbert Irwin, M.D. had 835 Medicare Part D claims for 256 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.