Michael Gonzaga, MD
Internal Medicine Physician · Eau Claire, WI
Michael Gonzaga, MD is an internal medicine physician with a practice address in Eau Claire, Wisconsin, and NPI 1295836807, issued on Sep 26, 2006. Check the license (Wisconsin 19271, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael Gonzaga
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 19271 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2116 Craig Road, Eau Claire, WI 54701
- Phone
- (715) 858-4700
- Enumerated
- Sep 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 31064900 WI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Gonzaga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 19271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
17 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Michael Gonzaga among 2,078 internal medicine physician records in Wisconsin
Michael Gonzaga, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 internal medicine physician records list a practice address in Eau Claire
They are 54 of the 3,085 NPPES records with a practice address in Eau Claire, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Eau Claire → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Abdulla Akfaly, MDEau Claire, WI 547011619956224
- Jenifer Bassett, M.D.Eau Claire, WI 547011376503615
- Matthew Cove, MDEau Claire, WI 547011346229952
- Martha Hidalgo, MDEau Claire, WI 547011508864547
- Brian Kosiak, MDEau Claire, WI 547011336150259
- Darren Lokkesmoe, MDEau Claire, WI 547011164401774
- Willie Pangilinan, MDEau Claire, WI 547011639151236
- Kristine Reesman, DOEau Claire, WI 547011275573214
Common questions
What is Michael Gonzaga, MD's NPI number?
Michael Gonzaga, MD's National Provider Identifier (NPI) is 1295836807, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Gonzaga, MD located?
The NPPES record lists a practice address at 2116 Craig Road, Eau Claire, WI, 54701. Phone: (715) 858-4700. Providers update this record themselves, so call before visiting.
How can I verify Michael Gonzaga, MD's license?
NPPES lists Wisconsin license number 19271, 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 Michael Gonzaga, MD prescribe under Medicare Part D?
In 2024, Michael Gonzaga, MD had 17 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.