Matthew J. Irwin, M.D.
Anesthesiology Physician · Eau Claire, WI
Matthew J. Irwin, M.D. is an anesthesiology physician with a practice address in Eau Claire, Wisconsin, and NPI 1205862364, issued on Jun 23, 2006. Check the license (Wisconsin 51301-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Matthew J. Irwin
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 51301-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1101 W Clairemont Ave, Eau Claire, WI 54701
- Phone
- (715) 834-8721
- Enumerated
- Jun 23, 2006
- Record last updated
- Oct 14, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (715) 834-3087
- Medicaid ID
- 1205862364 WI
- Medicare enrollment
- Enrolled (PECOS I20100818000881); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 1101 W Clairemont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Blanchette, CRNACertified Registered Nurse Anesthetist1427480045
- Hang Noland, CRNACertified Registered Nurse Anesthetist1174078943
- Kurt Rayhorn, CRNACertified Registered Nurse Anesthetist1235487158
- Lucas Wachewicz, P.T.Physical Therapist1568637593
- Linda Wenker, CRNACertified Registered Nurse Anesthetist1992145064
Verify Matthew J. Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 51301-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Chippewa Valley Anesthesia Associates, S.C.Altoona, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew J. Irwin among 1,313 anesthesiology physician records in Wisconsin
Matthew J. Irwin, M.D. is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% 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 20% of them.
- NPI issued2006 · 20% of these records are older, 49% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2006 · median 2006 among the 872 with a school on file
- Record last updated2010 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 anesthesiology physician records list a practice address in Eau Claire
They are 42 of the 3,085 NPPES records with a practice address in Eau Claire, and 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in Eau Claire → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Aruna Ahluwalia, MDEau Claire, WI 547011205852506
- Frederick Fetzer, DOEau Claire, WI 547011093800385
- Benjamin Fuller, MDEau Claire, WI 547011841710902
- Matthew Kumar, M.D.Eau Claire, WI 547011720068018
- Matthew Malmberg, MDEau Claire, WI 547011538271036
- Thomas Melin, M.D.Eau Claire, WI 547011568446904
- Anthony Mueller, M.D.Eau Claire, WI 547011386901791
- Joy Ngobi, MDEau Claire, WI 547011568521037
Common questions
What is Matthew J. Irwin, M.D.'s NPI number?
Matthew J. Irwin, M.D.'s National Provider Identifier (NPI) is 1205862364, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew J. Irwin, M.D. located?
The NPPES record lists a practice address at 1101 W Clairemont Ave, Eau Claire, WI, 54701. Phone: (715) 834-8721. Providers update this record themselves, so call before visiting.
How can I verify Matthew J. Irwin, M.D.'s license?
NPPES lists Wisconsin license number 51301-20, as entered by the provider. 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.
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.