Doctor profile · Federal record

Dr. Leslie Thompson, MD

Internal Medicine Physician (CMS: Hospitalist) · Hospitalist Physician · Waukesha, WI

  • NPI 1699938910
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
725 American Ave
Waukesha, WI 531885031
(262) 928-1000
Additional location
240 Maple Ave
Mukwonago, WI 531498475
(262) 521-7761
Additional location
791 Summit Ave
Oconomowoc, WI 530663896
(262) 569-0259

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
September 13, 2023
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #53631

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699938910. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
306
Distinct HCPCS
6
Medicare allowed
$28,465
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 93 65 $70
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 80 58 $106
99239 Hospital discharge day management, more than 30 minutes 72 70 $102
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 24 15 $43
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $155
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 17 $116

In context: peer comparison

Among 11 peers in Waukesha Internal Medicine Physician, average services per provider: 120. This provider delivers 2.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
137
Patients
12
Total drug cost
$1,816
Drug Type Claims Patients Total cost
Clopidogrel (Clopidogrel Bisulfate) Brand 26 0 $226
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 22 0 $601
Atorvastatin Calcium Generic 21 0 $122
Furosemide Generic 16 0 $99
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 15 0 $283
Amlodipine Besylate Generic 14 0 $78
Cefuroxime (Cefuroxime Axetil) Brand 12 12 $208
Bumetanide Generic 11 0 $199

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leslie Thompson's medical specialty?
Dr. Leslie Thompson practices Internal Medicine Physician in Waukesha, WI.
Where does Dr. Leslie Thompson practice?
Dr. Leslie Thompson practices at 725 American Ave, Waukesha, WI 531885031. Office phone: 2629281000.
What is Dr. Leslie Thompson's NPI?
Dr. Leslie Thompson's National Provider Identifier (NPI) is 1699938910, issued by NPPES.
Does Dr. Leslie Thompson accept Medicare assignment?
Dr. Leslie Thompson does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Leslie Thompson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.