Purani P. Palaniswami, M.D.
NPI 1164568507ActiveIndividual· Internal Medicine, Rheumatology· Elmhurst, IL
Internal Medicine, Rheumatology (M.D.) in Elmhurst, Illinois, licensed in IL and MO, with an NPI issued in January 2007. Their prescriptions cost Medicare Part D more than their services did: $3,318,652 for 4,302 claims, against $508,556 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $454.28 in all, mostly food and beverage.
Overview
| NPI | 1164568507 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 30, 2007 |
| Last updated in NPPES | May 3, 2021 |
| Certified by provider | May 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 036-123926 | IL |
| Internal Medicine | 207R00000X | 2006017936 | MO |
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 - Rheumatology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 387 |
|---|---|
| Services billed | 92,462 across 24 procedure codes |
| Paid by Medicare | $508,556 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,302 · 8,671 30-day fills |
|---|---|
| Patients | 610 |
| Total drug cost | $3,318,652 |
| Generic share | 86% of claims |
Industry payments (Open Payments)
- 2025$454.28 · 13 payments from 4 companies
- 2024$241.61 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $205.61 | 9 |
| Genzyme Corporation | $144.19 | 1 |
| Ucb, Inc. | $71.48 | 2 |
| Lilly USA, LLC | $33.00 | 1 |
What the 2025 payments were for
- Food and Beverage$454.28 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Rheumatology providers in Elmhurst
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