NPPES file of Aug 9, 2026

Thomas Gallagher, M.D.

Internal Medicine Physician · Waukesha, WI

Thomas Gallagher, M.D. is an internal medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1942273677, issued on Feb 13, 2006. Check the license (Wisconsin 22363, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942273677
Name
Thomas Gallagher
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
22363 WI
Self-reported in NPPES; status is on the state search
Practice location
N14W23900 Stone Ridge Dr, Waukesha, WI 53188
Phone
(262) 574-8000
Enumerated
Feb 13, 2006
Record last updated
Nov 15, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
30440100 WI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at N14W23900 Stone Ridge Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jean Bagin, NPNurse Practitioner1710947064
  2. William Boehm, M.D.Internal Medicine Physician1346213519
  3. Catherine Bril, PAPhysician Assistant1508828328
  4. Wendy Cooper, M.D.Internal Medicine Physician1720051824
  5. Tracy Coulter, D.P.M.Podiatrist1881661445
  6. Dorothy Delisle, M.D.Pediatrics Physician1699748137

Verify Thomas Gallagher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 22363
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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42 internal medicine physician records list a practice address in Waukesha

They are 42 of the 2,814 NPPES records with a practice address in Waukesha, and 2,078 internal medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in Wisconsin

  1. Sheetal Aatrai, MDMarshfield, WI1417568965
  2. Khalid Abdelgadir, MDManitowoc, WI1407433295
  3. Mesfin Abdissa, MDMilwaukee, WI1376579417
  4. Anas Abed, MDMadison, WI1659002566
  5. Margaret Abel, MDRhinelander, WI1477590487
  6. Mesfin Abera, M.D.Beaver Dam, WI1972852390
  7. Vidthya Abraham, M.D.Madison, WI1861836058
  8. Ismael Abu Limon, MDGreenfield, WI1467945543
  9. Amjed Abu Muhanna, MDMarinette, WI1861514135
  10. Satish Achanti, MDAppleton, WI1982711198

Common questions

What is Thomas Gallagher, M.D.'s NPI number?

Thomas Gallagher, M.D.'s National Provider Identifier (NPI) is 1942273677, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Gallagher, M.D. located?

The NPPES record lists a practice address at N14W23900 Stone Ridge Dr, Waukesha, WI, 53188. Phone: (262) 574-8000. Providers update this record themselves, so call before visiting.

How can I verify Thomas Gallagher, M.D.'s license?

NPPES lists Wisconsin license number 22363, 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.