Naresh C. Chandan, DO
NPI 1811094550ActiveIndividual· Internal Medicine· Kankakee, IL
Internal Medicine (DO) with Riverside Health System, practicing in Kankakee, Illinois. Their prescriptions cost Medicare Part D more than their services did: $655,468 for 11,769 claims, against $107,500 paid for services in 2024. Novo Nordisk Inc was the largest of 18 companies reporting payments in 2025, $1,791 in all, mostly food and beverage. Lists Riverside Medical Center as a hospital affiliation.
Overview
| NPI | 1811094550 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Sep 17, 2006 |
| Last updated in NPPES | Mar 22, 2021 |
| Certified by provider | Mar 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036090440 | 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 | 333 |
|---|---|
| Services billed | 1,283 across 31 procedure codes |
| Paid by Medicare | $107,500 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,769 · 18,980 30-day fills |
|---|---|
| Patients | 505 |
| Total drug cost | $655,468 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Riverside Health SystemWillmington, IL · 199 clinicians
Hospital affiliation
- Riverside Medical CenterKankakee, IL
Other facilities
- R.M.C. Home Health CareHome health agency · Peotone, IL
- Uplifted CareHospice · Bourbonnais, IL
Industry payments (Open Payments)
- 2025$1,791 · 72 payments from 18 companies
- 2024$1,677 · 79 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $374.14 | 16 |
| Amgen Inc. | $303.76 | 8 |
| Astrazeneca Pharmaceuticals LP | $266.14 | 9 |
| Lilly USA, LLC | $140.06 | 8 |
| Dexcom, Inc. | $138.07 | 4 |
What the 2025 payments were for
- Food and Beverage$1,616 · 71 payments
- Consulting Fee$175.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 internal medicine physicians in Kankakee · All internal medicine physicians in Illinois