Leslie Ann Thompson, MD
Internal Medicine Physician · Waukesha, WI
Leslie Ann Thompson, MD is an internal medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1699938910, issued on Jul 7, 2008. Check the license (Wisconsin 53631, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Leslie Ann Thompson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 53631 WI
Self-reported in NPPES; status is on the state search - Practice location
- 725 American Ave, Waukesha, WI 53188
- Phone
- (262) 928-1000
- Enumerated
- Jul 7, 2008
- Record last updated
- Sep 13, 2023
- Medicare enrollment
- Enrolled (PECOS I20100203000914); may accept Medicare assignment
- Medical or professional school
- Mercer University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 725 American Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lisa BakerAdult Health Nurse Practitioner1588973275
- Melissa Becker, PA-CPhysician Assistant1780132944
Verify Leslie Ann Thompson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 53631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
331 Medicare Part D claims for 106 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 14 claims were for opioids.
Most prescribed
- Eliquis22 claims
- Atorvastatin Calcium17 claims
- Diltiazem 24hr Er (Cd)14 claims
- Isosorbide Mononitrate Er14 claims
- Cefuroxime13 claims
- Furosemide12 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.
Bills Medicare through one group practice
- Apogee Medical Group Waukesha SCWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leslie Ann Thompson among 2,078 internal medicine physician records in Wisconsin
Leslie Ann Thompson, 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 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2008 · median 2002 among the 1,098 with a school on file
- Record last updated2023 · 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).
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.
All 2,078 in Wisconsin → Every provider in Waukesha → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gerald Berman, M.D.Waukesha, WI 531881215909734
- William Boehm, M.D.Waukesha, WI 531881346213519
- Wendy Cooper, M.D.Waukesha, WI 531881720051824
- Thomas Dougherty, MDWaukesha, WI 531881487639902
- John Fish, M.D.Waukesha, WI 531881033188446
- Thomas Gallagher, M.D.Waukesha, WI 531881942273677
- Peter Geiss, M.D.Waukesha, WI 531881881666782
- Martin Kern, MDWaukesha, WI 531881215938758
Common questions
What is Leslie Ann Thompson, MD's NPI number?
Leslie Ann Thompson, MD's National Provider Identifier (NPI) is 1699938910, issued on Jul 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Leslie Ann Thompson, MD located?
The NPPES record lists a practice address at 725 American Ave, Waukesha, WI, 53188. Phone: (262) 928-1000. Providers update this record themselves, so call before visiting.
How can I verify Leslie Ann Thompson, MD's license?
NPPES lists Wisconsin license number 53631, 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 Leslie Ann Thompson, MD prescribe under Medicare Part D?
In 2024, Leslie Ann Thompson, MD had 331 Medicare Part D claims for 106 beneficiaries; 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.