Bradley C. Irwin, MD
Gastroenterology Physician · Ashland, WI
Bradley C. Irwin, MD is a gastroenterology physician with a practice address in Ashland, Wisconsin, and NPI 1366547705, issued on Sep 13, 2006. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Bradley C. Irwin
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 52795 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1615 Maple Lane, Ashland, WI 54806
- Phone
- (715) 685-6010
- Enumerated
- Sep 13, 2006
- Record last updated
- Nov 15, 2024
- Fax
- (715) 682-0738
- Medicaid ID
- 104948020 MI
- Medicare enrollment
- Enrolled (PECOS I20210216000559); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at 1615 Maple Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amy Berger, PA-CPhysician Assistant1093991739
- Matthew Bettendorf, M.D.Surgery Physician1932254729
- Shawn Brede, CRNACertified Registered Nurse Anesthetist1811965965
- Justin Cummins, MDOrthopaedic Surgery Physician1003911603
- Stephen Cushing, CRNACertified Registered Nurse Anesthetist1598729378
Verify Bradley C. Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average gastroenterology physician in 2024
721 Medicare Part D claims for 290 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Omeprazole124 claims
- Pantoprazole Sodium91 claims
- Peg 3350-Electrolyte76 claims
- Famotidine30 claims
- Prednisone22 claims
- Ursodiol21 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
- Memorial Medical Center IncAshland, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bradley C. Irwin among 340 gastroenterology physician records in Wisconsin
Bradley C. Irwin, MD is one of 340 gastroenterology physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 44% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2003 · median 2003 among the 239 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Wisconsin
There are 340 gastroenterology physician records in Wisconsin.
All 340 in Wisconsin → Every provider in Ashland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Stephanie Judd Irwin, M.D.Ashland, WI 548061831328707
- Kevin McClelland, MDAshland, WI 548061003850918
- Kelly Salfiti, M.D.Barron, WI 548121225078686
- Imtiaz Mohamed, MDHayward, WI 548431396796884
- Awais Ahmed, MDOshkosh, WI 549041316213481
- Jeffrey Andreini, MDOshkosh, WI 549041235266735
- Amir Butt, M.D.Oshkosh, WI 549041205931144
- Christopher Magiera, M.D.Oshkosh, WI 549041548334550
Common questions
What is Bradley C. Irwin, MD's NPI number?
Bradley C. Irwin, MD's National Provider Identifier (NPI) is 1366547705, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bradley C. Irwin, MD located?
The NPPES record lists a practice address at 1615 Maple Lane, Ashland, WI, 54806. Phone: (715) 685-6010. Providers update this record themselves, so call before visiting.
How can I verify Bradley C. Irwin, MD's license?
Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bradley C. Irwin, MD prescribe under Medicare Part D?
In 2024, Bradley C. Irwin, MD had 721 Medicare Part D claims for 290 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.