Doctor profile · Federal record

Dr. Charles Yoo

Internal Medicine Physician (CMS: Hospitalist) · Critical Care Medicine (Internal Medicine) Physician · Milwaukee, WI

  • NPI 1912360355
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8701 W Watertown Plank RD
Milwaukee, WI 532263548
(414) 955-8296

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
October 8, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #70347

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912360355. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
654
Distinct HCPCS
7
Medicare allowed
$66,181
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 238 119 $71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 139 135 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 106 105 $155
99239 Hospital discharge day management, more than 30 minutes 98 95 $102
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 44 19 $105
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 15 14 $73
99238 Hospital discharge day management, 30 minutes or less 14 13 $76

In context: peer comparison

Among 96 peers in this city , average services per provider: 115. This provider delivers 5.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
216
Patients
39
Total drug cost
$22,331
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 37 0 $396
Eliquis (Apixaban) Brand 33 15 $20,230
Furosemide Generic 25 0 $148
Metoprolol Succinate Generic 23 12 $483
Spironolactone Generic 21 0 $47
Atorvastatin Calcium Generic 15 0 $148
Clopidogrel (Clopidogrel Bisulfate) Brand 15 0 $232
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $124
Bumetanide Generic 12 0 $148
Warfarin Sodium Generic 12 0 $110

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Yoo's medical specialty?
Dr. Charles Yoo practices Internal Medicine Physician in Milwaukee, WI.
Where does Dr. Charles Yoo practice?
Dr. Charles Yoo practices at 8701 W Watertown Plank RD, Milwaukee, WI 532263548. Office phone: 4149558296.
What is Dr. Charles Yoo's NPI?
Dr. Charles Yoo's National Provider Identifier (NPI) is 1912360355, issued by NPPES.
Does Dr. Charles Yoo accept Medicare assignment?
Dr. Charles Yoo does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Charles Yoo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.