Gradon Nielsen, M.D.
NPI 1669868774ActiveIndividual· Internal Medicine, Hematology & Oncology· Norfolk, VA
Internal Medicine, Hematology & Oncology (M.D.) in Norfolk, Virginia, trained at University of Virginia School of Medicine (class of 2015). In 2024 Medicare paid $4,265,252 for 754 patients, and Part D covered 860 of their prescriptions, 76% of them generic. Array Biopharma Inc was the largest of 2 companies reporting payments in 2025, $229.04 in all, mostly speaking and faculty fees.
Overview
| NPI | 1669868774 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2015 |
| Last updated in NPPES | Aug 5, 2021 |
| Certified by provider | Aug 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 0101271237 | VA |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 754 |
|---|---|
| Services billed | 198,637 across 188 procedure codes |
| Paid by Medicare | $4,265,252 |
Part D prescriptions in 2024
| Prescriptions (claims) | 860 · 1,088 30-day fills |
|---|---|
| Patients | 157 |
| Total drug cost | $2,059,385 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Virginia Oncology AssociatesVirginia Beach, VA · 112 clinicians
Hospital affiliations
- Sentara Leigh HospitalNorfolk, VA
- Sentara Norfolk General HospitalNorfolk, VA
- Sentara Obici HospitalSuffolk, VA
- Sentara Princess Anne HospitalVirginia Beach, VA
- Sentara Virginia Beach General HospitalVirginia Beach, VA
Industry payments (Open Payments)
- 2025$229.04 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Array Biopharma Inc | $150.00 | 1 |
| Daiichi Sankyo Inc. | $79.04 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$150.00 · 1 payment
- Food and Beverage$79.04 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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