Kenneth Lee Choi, MD
NPI 1619098571ActiveIndividual· Internal Medicine, Nephrology· Merrillville, IN
Internal Medicine, Nephrology (MD) in Merrillville, Indiana, trained at Northwestern University Feinberg Medical School (class of 2001). In 2024 Medicare paid $313,989 for 444 patients, and Part D covered 344 of their prescriptions, 80% of them generic. Ardelyx, Inc. was the largest of 21 companies reporting payments in 2025, $1,623 in all, mostly food and beverage.
Overview
| NPI | 1619098571 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 2, 2007 |
| Last updated in NPPES | Apr 29, 2025 |
| Certified by provider | Apr 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 01063644A | IN |
| Internal Medicine, Nephrology | 207RN0300X | 036111704 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (IL); Practitioner - Nephrology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 444 |
|---|---|
| Services billed | 2,836 across 46 procedure codes |
| Paid by Medicare | $313,989 |
Part D prescriptions in 2024
| Prescriptions (claims) | 344 · 765 30-day fills |
|---|---|
| Patients | 54 |
| Total drug cost | $50,928 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Nephrology |
Medical group
- Nephrology Associates of Northern Indiana PCVan Wert, OH · 65 clinicians
Hospital affiliations
- Community HospitalMunster, IN
- Franciscan Health Crown PointCrown Point, IN
- Franciscan Health MunsterMunster, IN
- St Catherine Hospital IncEast Chicago, IN
- St Mary Medical Center IncHobart, IN
Other facilities
- Fmc - Merrillville Dialysis CenterDialysis facility · Merrillville, IN
- Fmc - Neomedica - MunsterDialysis facility · Munster, IN
- Powers Health Rehabilitation CenterInpatient rehabilitation facility · Crown Point, IN
Industry payments (Open Payments)
- 2025$1,623 · 81 payments from 21 companies
- 2024$1,650 · 92 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $280.37 | 11 |
| Travere Therapeutics, Inc. | $189.86 | 10 |
| Amgen Inc. | $167.71 | 11 |
| Novartis Pharmaceuticals Corporation | $167.12 | 11 |
| Astrazeneca Pharmaceuticals LP | $136.74 | 9 |
What the 2025 payments were for
- Food and Beverage$1,604 · 80 payments
- Education$18.34 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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