Nelson Gustavo Neder Kalil, M.D.
NPI 1427074707ActiveIndividual· Internal Medicine, Hematology & Oncology· Rockville, MD
Internal Medicine, Hematology & Oncology (M.D.) in Rockville, Maryland, licensed in MD, with an NPI issued in July 2006. In 2024 Medicare paid $3,754,720 for 220 patients, and Part D covered 418 of their prescriptions, 56% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 53 companies reporting payments in 2025, $6,224 in all, mostly food and beverage. Lists Suburban Hospital as a hospital affiliation.
Overview
| NPI | 1427074707 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Apr 23, 2024 |
| Certified by provider | Apr 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | D0051616 | MD |
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 - Hematology/Oncology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 119,342 across 76 procedure codes |
| Paid by Medicare | $3,754,720 |
Part D prescriptions in 2024
| Prescriptions (claims) | 418 · 867 30-day fills |
|---|---|
| Patients | 98 |
| Total drug cost | $998,305 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Suburban HospitalBethesda, MD
Industry payments (Open Payments)
- 2025$6,224 · 207 payments from 53 companies
- 2024$9,964 · 241 payments from 51 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $1,689 | 20 |
| Janssen Biotech, Inc. | $426.18 | 19 |
| Abbvie Inc. | $283.08 | 12 |
| Novartis Pharmaceuticals Corporation | $264.37 | 10 |
| Merck Sharp & Dohme LLC | $245.68 | 9 |
What the 2025 payments were for
- Food and Beverage$4,823 · 205 payments
- Consulting Fee$1,325 · 1 payment
- Education$75.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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