Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Jin Sun Yu, MD

Individual provider Internal Medicine Physician · NPI 1306043716

Jin Sun Yu, MD practises Internal Medicine in Hartford, Wisconsin. Graduated from Medical College of Wisconsin in 2007, 19 years ago. Practices with Aurora Medical Group, Inc, a 3,741-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Wisconsin.

Years since qualifying
19
Trained at
Medical College of Wisconsin
Licensed in
CA, WI
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1032 E Sumner St
Hartford, WI 53027-1608
Phone: (262) 673-2300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2320 N Lake Dr, Milwaukee, WI 53211-4507 — (414) 270-4932

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 54857-020 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence A107015 (CA)

Record details

NPI number1306043716
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2007
Last updated in NPPESMarch 6, 2026
Certification dateMarch 6, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2007 (19 years in practice)
Group practice Aurora Medical Group, Inc. — 3741 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients169
Services billed 565 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Aurora Medical Group, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3741 clinicians in the practice; 12 are shown here.

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