E T. Ayala, MD
Internal Medicine Physician · Fond Du Lac, WI
E T. Ayala, MD is an internal medicine physician with a practice address in Fond Du Lac, Wisconsin, and NPI 1821089541, issued on Nov 2, 2005. Check the license (Wisconsin 21604, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- E T. Ayala
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21604 WI
Self-reported in NPPES; status is on the state search - Practice location
- 92 E Division St, Fond Du Lac, WI 54935
- Phone
- (920) 921-0560
- Enumerated
- Nov 2, 2005
- Record last updated
- Jul 13, 2026
- Medicaid ID
- 30334700 WI
- Entity
- Type 1 · individual
Verify E T. Ayala in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 21604Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19 internal medicine physician records list a practice address in Fond Du Lac
They are 19 of the 1,312 NPPES records with a practice address in Fond Du Lac, and 2,078 internal medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 19 in Fond Du Lac → All 2,078 in Wisconsin → Every provider in Fond Du Lac →
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- Margaret Abel, MDRhinelander, WI1477590487
- Mesfin Abera, M.D.Beaver Dam, WI1972852390
- Vidthya Abraham, M.D.Madison, WI1861836058
- Ismael Abu Limon, MDGreenfield, WI1467945543
- Amjed Abu Muhanna, MDMarinette, WI1861514135
- Satish Achanti, MDAppleton, WI1982711198
Common questions
What is E T. Ayala, MD's NPI number?
E T. Ayala, MD's National Provider Identifier (NPI) is 1821089541, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is E T. Ayala, MD located?
The NPPES record lists a practice address at 92 E Division St, Fond Du Lac, WI, 54935. Phone: (920) 921-0560. Providers update this record themselves, so call before visiting.
How can I verify E T. Ayala, MD's license?
NPPES lists Wisconsin license number 21604, 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. 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.