Leslie Thompson, MD
NPI 1699938910 · Internal Medicine Physician · Waukesha, WI
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leslie Thompson, MD is a Internal Medicine Physician provider in Waukesha, WI (NPI 1699938910).
Provider details
- NPI number
- 1699938910
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 53631 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
300 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 154 | $69 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 62 | $101 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 40 | $152 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 33 | $104 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 11 | $113 |
Typical Medicare-allowed amounts for these services range $69–$152 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 22 | — |
| Atorvastatin Calcium | 17 | — |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 14 | — |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 14 | — |
| Cefuroxime Axetilbrand: Cefuroxime | 13 | 13 |
| Furosemide | 12 | — |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (2)
- 240 Maple AveMukwonago, WI 53149-8475Phone: (262) 521-7761
- 791 Summit AveOconomowoc, WI 53066-3896Phone: (262) 569-0259
Registry dates
- Enumerated
- 2008-07-07
- Last updated
- 2023-09-13
- Certified
- 2023-09-13
Frequently asked questions
- What is Leslie Thompson's NPI number?
- Leslie Thompson's National Provider Identifier (NPI) is 1699938910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Thompson's specialty?
- Leslie Thompson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leslie Thompson located?
- Leslie Thompson's practice location on file with NPPES is 725 American Ave, Waukesha, WI 53188-5031.
- What is Leslie Thompson's phone number?
- The practice phone number listed in the NPPES registry for Leslie Thompson is (262) 928-1000.
- Does Leslie Thompson accept Medicare?
- Leslie Thompson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leslie Thompson's NPI active?
- Yes — Leslie Thompson's NPI (1699938910) is active in the NPPES registry as of the last update on 2023-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.