Michael Leo Gallagher, M.D.
Internal Medicine Physician · Green Bay, WI
Michael Leo Gallagher, M.D. is an internal medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1174544555, issued on Jul 21, 2006. Check the license (Wisconsin 23054, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael Leo Gallagher
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 23054 WI
Self-reported in NPPES; status is on the state search - Practice location
- 141 Siegler St, Green Bay, WI 54303
- Phone
- (920) 497-3126
- Enumerated
- Jul 21, 2006
- Record last updated
- Feb 22, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (920) 497-3176
- Entity
- Type 1 · individual
Also registered at 141 Siegler St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kaitlyn Ament, MSW, APSWClinical Social Worker1619689114
- Lynn Budzak, MDAdult Medicine Physician1780603589
- Sharon Butnick, M.S., R.D, C.D.Registered Dietitian1396041984
- Diane Dewinter, LPNLicensed Practical Nurse1053332734
- Jeffrey Gruse, RNRegistered Nurse1427249515
- Helen Huetter, R.D.Registered Dietitian1316102031
Verify Michael Leo Gallagher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 23054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69 internal medicine physician records list a practice address in Green Bay
They are 69 of the 4,619 NPPES records with a practice address in Green Bay, 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 69 in Green Bay → All 2,078 in Wisconsin → Every provider in Green Bay →
Other internal medicine physician records in Wisconsin
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- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Anas Abed, MDMadison, WI1659002566
- 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 Michael Leo Gallagher, M.D.'s NPI number?
Michael Leo Gallagher, M.D.'s National Provider Identifier (NPI) is 1174544555, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Leo Gallagher, M.D. located?
The NPPES record lists a practice address at 141 Siegler St, Green Bay, WI, 54303. Phone: (920) 497-3126. Providers update this record themselves, so call before visiting.
How can I verify Michael Leo Gallagher, M.D.'s license?
NPPES lists Wisconsin license number 23054, 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.