Prasun K. Das, MD
NPI 1295768778ActiveIndividual· Internal Medicine· Aurora, IL
Internal Medicine (MD) with Advocate Health and Hospitals Corporation, practicing in Aurora, Illinois. 790 Medicare patients in 2024, $71,411 paid; nearly all of their 1,097 Part D prescriptions were generic (91%).
Overview
| NPI | 1295768778 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 8, 2006 |
| Last updated in NPPES | Apr 24, 2025 |
| Certified by provider | Apr 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-093459 | IL |
| Internal Medicine | 207R00000X | 036093459 | 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 | 790 |
|---|---|
| Services billed | 1,098 across 65 procedure codes |
| Paid by Medicare | $71,411 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,097 · 1,112 30-day fills |
|---|---|
| Patients | 759 |
| Total drug cost | $14,059 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Emergency Medicine |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 65 internal medicine physicians in Aurora · All internal medicine physicians in Illinois