Madhavi Nagilla, M.D.
NPI 1639314834ActiveIndividual· Internal Medicine· Chicago, IL
Internal Medicine (M.D.) with Mercer Bucks Medical Associates PC and 1 other group, practicing in Chicago, Illinois. In 2024 Medicare paid $16,276 for 71 patients, and Part D covered 115 of their prescriptions, 83% of them generic. Otsuka America Pharmaceutical, Inc. was the largest of 3 companies reporting payments in 2025, $99.96 in all, mostly food and beverage. Lists St Mary Medical Center as a hospital affiliation.
Overview
| NPI | 1639314834 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 3, 2008 |
| Last updated in NPPES | Mar 6, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036.129619 | IL |
| Internal Medicine | 207R00000X | 125054243 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL); Practitioner - Internal Medicine (NJ); Practitioner - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 71 |
|---|---|
| Services billed | 191 across 12 procedure codes |
| Paid by Medicare | $16,276 |
Part D prescriptions in 2024
| Prescriptions (claims) | 115 · 124 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $8,163 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Mercer Bucks Medical Associates PCLevittown, PA · 42 clinicians
- First Docs LLCTrenton, NJ · 23 clinicians
Hospital affiliation
- St Mary Medical CenterLanghorne, PA
Industry payments (Open Payments)
- 2025$99.96 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $60.70 | 4 |
| Lilly USA, LLC | $21.63 | 1 |
| Pfizer Inc. | $17.63 | 1 |
What the 2025 payments were for
- Food and Beverage$85.33 · 5 payments
- Education$14.63 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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