Timothy James Niesen, M.D.
NPI 1780974105ActiveIndividual· Radiology, Vascular & Interventional Radiology· Newark, DE
Radiology, Vascular & Interventional Radiology (M.D.) in Newark, Delaware, trained at Drexel University College of Medicine (class of 2011). Medicare paid $158,338 for services to 4,138 patients in 2024. Heartflow, Inc. reported $106.25 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1780974105 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 19, 2011 |
| Last updated in NPPES | Jul 7, 2021 |
| Certified by provider | Jul 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Vascular & Interventional Radiology Primary | 2085R0204X | MD461182 | PA |
| Radiology, Diagnostic Radiology | 2085R0202X | C1-0010245 | DE |
| Radiology, Vascular & Interventional Radiology | 2085R0204X | C1-0010245 | DE |
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 - Diagnostic Radiology (DE); Practitioner - Diagnostic Radiology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 4,138 |
|---|---|
| Services billed | 9,228 across 142 procedure codes |
| Paid by Medicare | $158,338 |
Education and affiliations
| Medical school | Drexel University College of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
- Christiana Care Pennsylvania IncGlen Mills, PA · 177 clinicians
Hospital affiliations
- Beebe Medical CenterLewes, DE
- Christiana HospitalNewark, DE
Industry payments (Open Payments)
- 2025$106.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $106.25 | 1 |
What the 2025 payments were for
- Food and Beverage$106.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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