Joon Sung Park, MD
NPI 1699894709ActiveIndividual· Internal Medicine, Nephrology· Kalamazoo, MI
Internal Medicine, Nephrology (MD) in Kalamazoo, Michigan, trained at University of Vermont College of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $570,323 for 2,115 claims, against $120,193 paid for services in 2024. Travere Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $68.14 in all, mostly food and beverage.
Overview
| NPI | 1699894709 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 28, 2007 |
| Last updated in NPPES | Nov 9, 2023 |
| Certified by provider | Nov 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 4301074665 | MI |
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 - Nephrology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 281 |
|---|---|
| Services billed | 896 across 20 procedure codes |
| Paid by Medicare | $120,193 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,115 · 4,085 30-day fills |
|---|---|
| Patients | 307 |
| Total drug cost | $570,323 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Paragon Health PCKalamazoo, MI · 53 clinicians
Hospital affiliations
- Borgess Medical CenterKalamazoo, MI
- Bronson Battle Creek HospitalBattle Creek, MI
- Bronson Methodist HospitalKalamazoo, MI
- Corewell Health Pennock HospitalHastings, MI
- Insight Hospital and Medical Center ColdwaterColdwater, MI
Other facilities
- Fmc - ColdwaterDialysis facility · Coldwater, MI
- Fmc - OshtemoDialysis facility · Kalamazoo, MI
- Fresenius Medical Care - HastingsDialysis facility · Hastings, MI
Industry payments (Open Payments)
- 2025$68.14 · 3 payments from 2 companies
- 2024$69.81 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $47.95 | 2 |
| Alk-Abello, Inc | $20.19 | 1 |
What the 2025 payments were for
- Food and Beverage$68.14 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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