Jin Sun Yu, M.D.
Internal Medicine Physician · Hartford, WI
Jin Sun Yu, M.D. is an internal medicine physician with a practice address in Hartford, Wisconsin, and NPI 1306043716, issued on Jun 29, 2007. Check the license (Wisconsin 54857-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jin Sun Yu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 54857-020 WI
A107015 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1032 E Sumner St, Hartford, WI 53027
- Phone
- (262) 673-2300
- Enumerated
- Jun 29, 2007
- Record last updated
- Mar 6, 2026
- Medicaid ID
- 100011299 WI
- Medicare enrollment
- Enrolled (PECOS I20110106000688); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2007
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 1032 E Sumner St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Androshie, PAPhysician Assistant1750930301
- Blake Bashor, D.OEmergency Medicine Physician1417339748
- Maye Berroya, MDUndersea and Hyperbaric Medicine (Preventive Medicine) Physician1083679518
- Vasilios Bournas, D.OEmergency Medicine Physician1447575642
- Dorothy Carl, CRNACertified Registered Nurse Anesthetist1922017086
- Sanjay Chopra, DOEmergency Medicine Physician1922017821
Verify Jin Sun Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 54857-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
394 Medicare Part D claims for 137 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 20 claims were for opioids.
Most prescribed
- Cefuroxime20 claims
- Eliquis18 claims
- Metoprolol Succinate14 claims
- Nitroglycerin14 claims
- Furosemide13 claims
- Amlodipine Besylate12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 75.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $168.77
2 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, 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 2 group practices
- Aurora Medical Group, Inc.Hartford, WI
- Columbia St Marys Hospital Milwaukee IncMequon, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jin Sun Yu among 2,078 internal medicine physician records in Wisconsin
Jin Sun Yu, 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 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 40% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2007 · median 2002 among the 1,098 with a school on file
- Record last updated2026 · 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).
4 internal medicine physician records list a practice address in Hartford
They are 4 of the 269 NPPES records with a practice address in Hartford, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Hartford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Chen, MDHartford, WI 530271124037254
- Edward Cooney, M.D.Hartford, WI 530271235271958
- Joseph Pfotenhauer, MDHartford, WI 530271306953708
- Vincent Borkowski, MD, PHDHartland, WI 530291043849961
- Daihanara Cintron-Lafontaine, M.D.Hartland, WI 530291134312150
- Mary Geralts, MDHartland, WI 530291386759397
- Beth Keefe, M.D.Hartland, WI 530291013980234
- Fawad Khan, MDHartland, WI 530291184603755
Common questions
What is Jin Sun Yu, M.D.'s NPI number?
Jin Sun Yu, M.D.'s National Provider Identifier (NPI) is 1306043716, issued on Jun 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jin Sun Yu, M.D. located?
The NPPES record lists a practice address at 1032 E Sumner St, Hartford, WI, 53027. Phone: (262) 673-2300. Providers update this record themselves, so call before visiting.
How can I verify Jin Sun Yu, M.D.'s license?
NPPES lists Wisconsin license number 54857-020, 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 Jin Sun Yu, M.D. prescribe under Medicare Part D?
In 2024, Jin Sun Yu, M.D. had 394 Medicare Part D claims for 137 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jin Sun Yu, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.