Daniel Ethan Boxer, MD
NPI 1043479090ActiveIndividual· Internal Medicine, Hematology & Oncology· Trumball, CT
Internal Medicine, Hematology & Oncology (MD) with Yale University, practicing in Trumball, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $5,179,073 for 986 claims, against $121,073 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $58.48 in all, mostly food and beverage. Lists Bridgeport Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1043479090 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 5, 2008 |
| Last updated in NPPES | Jan 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 56291 | CT |
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 (CT); Practitioner - Medical Oncology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 422 |
|---|---|
| Services billed | 2,191 across 14 procedure codes |
| Paid by Medicare | $121,073 |
Part D prescriptions in 2024
| Prescriptions (claims) | 986 · 1,583 30-day fills |
|---|---|
| Patients | 173 |
| Total drug cost | $5,179,073 |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Greenwich Hospital Association -Greenwich, CT
- St Vincent's Medical CenterBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$58.48 · 3 payments from 2 companies
- 2024$1,797 · 88 payments from 32 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $38.67 | 2 |
| Array Biopharma Inc | $19.81 | 1 |
What the 2025 payments were for
- Food and Beverage$58.48 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records