Peter S. Yoon, M.D.
NPI 1417905944ActiveIndividual· Internal Medicine· Deerfield, IL
Internal Medicine (M.D.) in Deerfield, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $181,602 for 1,829 claims, against $85,720 paid for services in 2024. Novo Nordisk Inc reported $20.13 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1417905944 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 5, 2006 |
| Last updated in NPPES | Dec 1, 2023 |
| Certified by provider | Dec 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036111844 | IL |
| Specialist | 174400000X | 036-111844 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 308 |
|---|---|
| Services billed | 1,205 across 34 procedure codes |
| Paid by Medicare | $85,720 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,829 · 4,527 30-day fills |
|---|---|
| Patients | 351 |
| Total drug cost | $181,602 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Memorial HospitalChicago, IL
Other facilities
- Residential Home HealthHome health agency · Northbrook, IL
Industry payments (Open Payments)
- 2025$20.13 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $20.13 | 1 |
What the 2025 payments were for
- Food and Beverage$20.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 internal medicine physicians in Deerfield · All internal medicine physicians in Illinois