Chinyoung Park, MD
NPI 1013903491ActiveIndividual· Internal Medicine, Rheumatology· Morton Grove, IL
Internal Medicine, Rheumatology (MD) in Morton Grove, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1988). 677 Medicare patients in 2024, $2,162,216 paid; nearly all of their 3,383 Part D prescriptions were generic (91%). Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $708.16 in all, mostly food and beverage.
Overview
| NPI | 1013903491 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 21, 2005 |
| Last updated in NPPES | Mar 10, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 0036-082295 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Rheumatology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 677 |
|---|---|
| Services billed | 227,615 across 88 procedure codes |
| Paid by Medicare | $2,162,216 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,383 · 6,745 30-day fills |
|---|---|
| Patients | 530 |
| Total drug cost | $1,760,995 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Illinois Bone and Joint Institute, LLCGurnee, IL · 604 clinicians
Hospital affiliations
- Advocate Condell Medical CenterLibertyville, IL
- Advocate Good Shepherd HospitalBarrington, IL
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Lake Forest HospitalLake Forest, IL
Industry payments (Open Payments)
- 2025$708.16 · 10 payments from 5 companies
- 2024$921.30 · 24 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $229.90 | 2 |
| Amgen Inc. | $192.70 | 5 |
| Ucb, Inc. | $124.26 | 1 |
| Pbg Puerto Rico LLC | $92.31 | 1 |
| Janssen Biotech, Inc. | $68.99 | 1 |
What the 2025 payments were for
- Food and Beverage$639.17 · 9 payments
- Education$68.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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