Doctor profile · Federal record

Dr. Sung Rak Yun, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Kenosha, WI

  • NPI 1376837716
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6308 8Th Ave
Kenosha, WI 531435031
(262) 656-3173

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
December 23, 2021
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #64715-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376837716. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
724
Distinct HCPCS
4
Medicare allowed
$75,907
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 302 109 $112
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 208 94 $74
99239 Hospital discharge day management, more than 30 minutes 145 137 $107
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 69 68 $161

In context: peer comparison

Among 12 peers in Kenosha Internal Medicine Physician, average services per provider: 86. This provider delivers 8.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 1 $20.24

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
144
Patients
128
Total drug cost
$1,012
Drug Type Claims Patients Total cost
Prednisone Generic 25 23 $80
Potassium Chloride Generic 17 17 $112
Carvedilol Generic 15 15 $64
Furosemide Generic 14 0 $50
Cefdinir Generic 13 13 $236
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $151
Atorvastatin Calcium Generic 12 12 $72
Losartan Potassium Generic 12 12 $78
Pantoprazole Sodium Generic 12 12 $94
Clopidogrel (Clopidogrel Bisulfate) Brand 11 11 $74

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sung Rak Yun's medical specialty?
Dr. Sung Rak Yun practices Internal Medicine Physician in Kenosha, WI.
Where does Dr. Sung Rak Yun practice?
Dr. Sung Rak Yun practices at 6308 8Th Ave, Kenosha, WI 531435031. Office phone: 2626563173.
What is Dr. Sung Rak Yun's NPI?
Dr. Sung Rak Yun's National Provider Identifier (NPI) is 1376837716, issued by NPPES.
Does Dr. Sung Rak Yun accept Medicare assignment?
Yes. Dr. Sung Rak Yun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sung Rak Yun commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.