Deepnarayan Tiwarri, M.D.
NPI 1649217464ActiveIndividual· Internal Medicine, Hematology & Oncology· Clinton, MD
Internal Medicine, Hematology & Oncology (M.D.) in Clinton, Maryland, trained at Howard University College of Medicine (class of 1996). In 2024 Medicare paid $3,740,172 for 1,192 patients, and Part D covered 826 of their prescriptions, 52% of them generic. Pfizer Inc. was the largest of 34 companies reporting payments in 2025, $1,831 in all, mostly food and beverage.
Overview
| NPI | 1649217464 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2006 |
| Last updated in NPPES | May 14, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | D0059942 | MD |
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 - Hematology/Oncology (DC); Practitioner - Medical Oncology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,192 |
|---|---|
| Services billed | 240,142 across 176 procedure codes |
| Paid by Medicare | $3,740,172 |
Part D prescriptions in 2024
| Prescriptions (claims) | 826 · 1,279 30-day fills |
|---|---|
| Patients | 196 |
| Total drug cost | $2,282,059 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
| Telehealth | Offers telehealth |
Medical group
- Maryland Oncology Hematology PAColumbia, MD · 104 clinicians
Hospital affiliations
- Luminis Health Doctors Community Medical Ctr, IncLanham, MD
- University of Maryland Medical CenterBaltimore, MD
- University of MD Capital Region Medical CenterUpper Marlboro, MD
- University of MD Charles Regional Medical CenterLa Plata, MD
Industry payments (Open Payments)
- 2025$1,831 · 73 payments from 34 companies
- 2024$2,054 · 86 payments from 37 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $166.77 | 8 |
| Novartis Pharmaceuticals Corporation | $140.81 | 7 |
| Merck Sharp & Dohme LLC | $129.09 | 5 |
| Abbvie Inc. | $113.19 | 4 |
| E.R. Squibb & Sons, L.L.C. | $108.74 | 5 |
What the 2025 payments were for
- Food and Beverage$1,831 · 73 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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