Arun Amirthalingam Kumar, MD
NPI 1740249259ActiveIndividual· Internal Medicine· Naperville, IL
Internal Medicine (MD) in Naperville, Illinois, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $206,335 for 2,969 claims, against $75,893 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 2 companies reporting payments in 2025, $139.80 in all, mostly food and beverage. Lists Advocate Good Samaritan Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1740249259 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | — | 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 | 277 |
|---|---|
| Services billed | 946 across 32 procedure codes |
| Paid by Medicare | $75,893 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,969 · 6,698 30-day fills |
|---|---|
| Patients | 236 |
| Total drug cost | $206,335 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Edward HospitalNaperville, IL
Other facilities
- Residential Home HealthHome health agency · Lisle, IL
Industry payments (Open Payments)
- 2025$139.80 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $79.44 | 1 |
| Merck Sharp & Dohme LLC | $60.36 | 3 |
What the 2025 payments were for
- Food and Beverage$139.80 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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