Matthew William Ewy, MD, RD, CNSC
Gastroenterology Physician · Madison, WI
Matthew William Ewy, MD, RD, CNSC is a gastroenterology physician with a practice address in Madison, Wisconsin, and NPI 1487045696, issued on Feb 10, 2015. Check the license (Wisconsin 81693, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Matthew William Ewy
- Credential
- MD, RD, CNSC
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 81693 WI
86016952 WI
30776 MN
69570 MN
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-0572
- Enumerated
- Feb 10, 2015
- Record last updated
- Jun 27, 2023
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
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Verify Matthew William Ewy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 81693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gastroenterology physician in 2024
19 Medicare Part D claims for 12 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Matthew William Ewy among 340 gastroenterology physician records in Wisconsin
Matthew William Ewy, MD, RD, CNSC 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 2015, is newer than 84% of them.
- NPI issued2015 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2023 · 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 Madison → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jihad Aljabban, MD, MMSCMadison, WI 537921699304808
- Kerstin Austin, M.D.Madison, WI 537921497013023
- Mark Benson, M.D.Madison, WI 537921114950987
- Omar Calderon, MDMadison, WI 537921295364081
- Lucas FassMadison, WI 537921427613793
- Annette Glasser, CNPMadison, WI 537921851352363
- Luis Lomeli, MDMadison, WI 537921851686281
- Alexandru Musat, MDMadison, WI 537921487621074
Common questions
What is Matthew William Ewy, MD, RD, CNSC's NPI number?
Matthew William Ewy, MD, RD, CNSC's National Provider Identifier (NPI) is 1487045696, issued on Feb 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Matthew William Ewy, MD, RD, CNSC located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-0572. Providers update this record themselves, so call before visiting.
How can I verify Matthew William Ewy, MD, RD, CNSC's license?
NPPES lists Wisconsin license number 81693, 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.
How much does Matthew William Ewy, MD, RD, CNSC prescribe under Medicare Part D?
In 2024, Matthew William Ewy, MD, RD, CNSC had 19 Medicare Part D claims for 12 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.