Sung Rak Yun, M.D.
Internal Medicine Physician · Kenosha, WI
Sung Rak Yun, M.D. is an internal medicine physician with a practice address in Kenosha, Wisconsin, and NPI 1376837716, issued on Jun 2, 2011. Check the license (Wisconsin 64715-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sung Rak Yun
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 64715-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 6308 8TH Ave, Kenosha, WI 53143
- Phone
- (262) 656-3173
- Enumerated
- Jun 2, 2011
- Record last updated
- Dec 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151221001675); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 6308 8TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Abbo, MD FACCCardiovascular Disease Physician1962488965
- Mary Ansari, CRNARegistered Nurse1700074440
- Theresa Aschenbrener, C.R.N.A.Certified Registered Nurse Anesthetist1275518276
- Mustafa Badrudduja, MDSurgery Physician1083744486
- Narayan BaligaAnesthesiology Physician1972586931
- Heather Barrett, PAMedical Physician Assistant1629080247
Verify Sung Rak Yun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 64715-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
463 Medicare Part D claims for 200 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Prednisone32 claims
- Carvedilol20 claims
- Amlodipine Besylate19 claims
- Cefdinir18 claims
- Losartan Potassium15 claims
- Albuterol Sulfate Hfa14 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.
Industry payments in 2024: $20.24
1 payment: food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Vituity-Wisconsin HM SCPleasant Prairie, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sung Rak Yun among 2,078 internal medicine physician records in Wisconsin
Sung Rak Yun, M.D. 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 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2011 · median 2002 among the 1,098 with a school on file
- Record last updated2021 · 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).
31 internal medicine physician records list a practice address in Kenosha
They are 31 of the 1,852 NPPES records with a practice address in Kenosha, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Kenosha → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ernesto Buencamino, MDKenosha, WI 531431093748493
- Wendel Friedl, MDKenosha, WI 531431700832797
- Catherine Gursky, D.O.Kenosha, WI 531431497980973
- Kelly Heidle, D.O.Kenosha, WI 531431992044846
- Seema Khan, MDKenosha, WI 531431306949243
- Mithin Mathew, DOKenosha, WI 531431265015267
- Suzanne Mattox, MDKenosha, WI 531431659327583
- Chigozie Nweke, MDKenosha, WI 531431588866644
Common questions
What is Sung Rak Yun, M.D.'s NPI number?
Sung Rak Yun, M.D.'s National Provider Identifier (NPI) is 1376837716, issued on Jun 2, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Sung Rak Yun, M.D. located?
The NPPES record lists a practice address at 6308 8TH Ave, Kenosha, WI, 53143. Phone: (262) 656-3173. Providers update this record themselves, so call before visiting.
How can I verify Sung Rak Yun, M.D.'s license?
NPPES lists Wisconsin license number 64715-20, 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 Sung Rak Yun, M.D. prescribe under Medicare Part D?
In 2024, Sung Rak Yun, M.D. had 463 Medicare Part D claims for 200 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.