Gagan S. Chadha, MD
NPI 1568430874ActiveIndividual· Internal Medicine· West Lafayette, IN
Internal Medicine (MD) with Unity Healthcare LLC, practicing in West Lafayette, Indiana. Their prescriptions cost Medicare Part D more than their services did: $266,526 for 5,187 claims, against $135,507 paid for services in 2024. Lilly USA, LLC reported $96.41 in payments in 2025, mostly food and beverage. Lists Franciscan Health Lafayette and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1568430874 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 11, 2006 |
| Last updated in NPPES | Mar 22, 2021 |
| Certified by provider | Mar 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 01048719A | IN |
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 - Internal Medicine (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 342 |
|---|---|
| Services billed | 2,122 across 38 procedure codes |
| Paid by Medicare | $135,507 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,187 · 11,375 30-day fills |
|---|---|
| Patients | 264 |
| Total drug cost | $266,526 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Unity Healthcare LLCLafayette, IN · 64 clinicians
Hospital affiliations
- Franciscan Health LafayetteLafayette, IN
- Franciscan Health Rensselaer, IncRensselaer, IN
- Indiana University Health Arnett HospitalLafayette, IN
- Indiana University Health White Memorial HospitalMonticello, IN
Other facilities
- Elara CaringHome health agency · Kokomo, IN
Industry payments (Open Payments)
- 2025$96.41 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $96.41 | 1 |
What the 2025 payments were for
- Food and Beverage$96.41 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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