Sunil Nachnani, M.D.
NPI 1598746737ActiveIndividual· Internal Medicine, Cardiovascular Disease· Brandywine, MD
Internal Medicine, Cardiovascular Disease (M.D.) with Medstar Medical Group - Southern Maryland LLC, practicing in Brandywine, Maryland. Their prescriptions cost Medicare Part D more than their services did: $855,849 for 6,868 claims, against $376,857 paid for services in 2024. Cvrx, Inc. was the largest of 6 companies reporting payments in 2025, $189.00 in all, mostly food and beverage. Lists Medstar Southern Maryland Hospital Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1598746737 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 7, 2005 |
| Last updated in NPPES | Aug 19, 2026 |
| Certified by provider | Aug 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | D0038388 | MD |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 101042134 | VA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | MD16993 | DC |
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 - Cardiovascular Disease (Cardiology) (DC); Practitioner - Cardiovascular Disease (Cardiology) (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,016 |
|---|---|
| Services billed | 6,401 across 40 procedure codes |
| Paid by Medicare | $376,857 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,868 · 17,518 30-day fills |
|---|---|
| Patients | 644 |
| Total drug cost | $855,849 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Medstar Medical Group - Southern Maryland LLCHollywood, MD · 245 clinicians
Hospital affiliations
- Medstar Southern Maryland Hospital CenterClinton, MD
- Medstar Washington Hospital CenterWashington, DC
- University of MD Charles Regional Medical CenterLa Plata, MD
Industry payments (Open Payments)
- 2025$189.00 · 6 payments from 6 companies
- 2024$423.31 · 17 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cvrx, Inc. | $76.03 | 1 |
| Astrazeneca Pharmaceuticals LP | $32.66 | 1 |
| Amgen Inc. | $30.16 | 1 |
| Pfizer Inc. | $18.49 | 1 |
| Novartis Pharmaceuticals Corporation | $16.10 | 1 |
What the 2025 payments were for
- Food and Beverage$189.00 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Brandywine
- 1174800304
- 1568309870
- 1659178689
- 1023328689
- 1003898271
- 1255310884
- 1568759355
All Internal Medicine, Cardiovascular Disease providers in Maryland →