Individual Healthcare Provider
Samuel Seunghoon Yoon, M.D.
Provider's NPPES record last updated: November 24, 2021
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1043692627
- Primary Specialty
- Internal Medicine — Endocrinology, Diabetes & Metabolism
- Practice Location
- Hartland, Wisconsin
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 19, 2026, 12:58 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Internal Medicine
Endocrinology, Diabetes & Metabolism
Allopathic & Osteopathic Physicians
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Taxonomy code 207RE0101X Student in an Organized Health Care Education/Training Program
Student, Health Care
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Taxonomy code 390200000X
Provider-Reported License Information
- Internal Medicine (Wisconsin)
- 73241
Practice Locations
Practice Location
600 Walnut Ridge Dr
Hartland, Wisconsin 53029-9385
Phone: (262) 369-7040
Additional Practice Location
222 Station Plaza North
Department of Medicine Suite 509 Winthrop University Ho
Mineola, New York 11501
Phone: (516) 663-0333
Fax: (516) 663-8796
Additional Practice Location
720 Harrison Ave Ste 8100
Boston, Massachusetts 02118
Phone: (617) 414-3799
Additional Practice Location
720 Harrison Ave Ste 8100
Boston, Massachusetts 02118
Phone: (617) 414-3799
Additional Practice Location
36500 Aurora Dr
Summit, Wisconsin 53066-4899
Phone: (262) 434-1000
Fax: (262) 434-5050
Record Information
- Enumeration Date
- June 19, 2015
- Provider's NPPES Record Last Updated
- November 24, 2021
- Certification Date
- November 24, 2021
- NPISignal NPPES Dataset
- August 2026
See Something Wrong?
Incorrect provider information
Everything on this page comes directly from the NPPES data CMS publishes. NPISignal cannot edit a provider's record — only the provider or organization can, directly through NPPES.
Update a record through NPPESSomething wrong with this page?
If NPISignal is displaying this data incorrectly — a formatting error, a broken link, a mismatch with the source file — let us know.
Report a display issue