Dinesh K. Jain, M.D.
NPI 1255330361ActiveIndividual· Internal Medicine· Tinley Park, IL
Internal Medicine (M.D.) with Dupage Medical Group Ltd, practicing in Tinley Park, Illinois. Their prescriptions cost Medicare Part D more than their services did: $857,871 for 9,988 claims, against $128,706 paid for services in 2024. Lilly USA, LLC was the largest of 13 companies reporting payments in 2025, $905.38 in all, mostly food and beverage. Lists Ingalls Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1255330361 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2005 |
| Last updated in NPPES | Jun 13, 2025 |
| Certified by provider | Jun 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-067930 | IL |
| Internal Medicine, Addiction Medicine | 207RA0401X | 036067930 | IL |
| Internal Medicine, Geriatric Medicine | 207RG0300X | 036067930 | 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 | 316 |
|---|---|
| Services billed | 1,791 across 25 procedure codes |
| Paid by Medicare | $128,706 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,988 · 16,411 30-day fills |
|---|---|
| Patients | 435 |
| Total drug cost | $857,871 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Addiction Medicine, Geriatric Medicine |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliations
- Ingalls Memorial HospitalHarvey, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Palos Community HospitalPalos Heights, IL
Other facilities
- Elevate Care Palos HeightsNursing home · Palos Heights, IL
Industry payments (Open Payments)
- 2025$905.38 · 46 payments from 13 companies
- 2024$603.03 · 30 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $243.87 | 14 |
| Abbvie Inc. | $120.63 | 5 |
| Novo Nordisk Inc | $88.97 | 4 |
| Exact Sciences Corporation | $84.89 | 3 |
| Astrazeneca Pharmaceuticals LP | $78.14 | 5 |
What the 2025 payments were for
- Food and Beverage$905.38 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 internal medicine physicians in Tinley Park · All internal medicine physicians in Illinois