Nancy Tran, M.D.
NPI 1457393209ActiveIndividual· Internal Medicine· Oak Brook, IL
Internal Medicine (M.D.) in Oak Brook, Illinois, trained at Rush Medical College of Rush University (class of 2000). In 2024 Medicare paid $54,241 for 275 patients, and Part D covered 339 of their prescriptions, 83% of them generic. Corcept Therapeutics was the largest of 16 companies reporting payments in 2025, $1,214 in all, mostly food and beverage.
Overview
| NPI | 1457393209 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2006 |
| Last updated in NPPES | Jun 10, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-111209 | 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 | 275 |
|---|---|
| Services billed | 737 across 13 procedure codes |
| Paid by Medicare | $54,241 |
Part D prescriptions in 2024
| Prescriptions (claims) | 339 · 361 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $25,122 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Internal Medicine |
Medical group
- Cgh Medical CenterSterling, IL · 197 clinicians
Hospital affiliation
- Cgh Medical CenterSterling, IL
Industry payments (Open Payments)
- 2025$1,214 · 54 payments from 16 companies
- 2024$145.01 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $178.04 | 7 |
| Bayer Healthcare Pharmaceuticals Inc. | $167.67 | 8 |
| E.R. Squibb & Sons, L.L.C. | $142.14 | 1 |
| Abbvie Inc. | $99.33 | 4 |
| Teva Pharmaceuticals USA, Inc. | $78.24 | 4 |
What the 2025 payments were for
- Food and Beverage$1,072 · 53 payments
- Travel and Lodging$142.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 internal medicine physicians in Oak Brook · All internal medicine physicians in Illinois