Amer Zeidan
NPI 1083819528ActiveIndividual· Internal Medicine, Hematology & Oncology· New Haven, CT
Internal Medicine, Hematology & Oncology with Yale University, practicing in New Haven, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $647,853 for 68 claims, against $26,564 paid for services in 2024. Taiho Oncology, Inc. was the largest of 12 companies reporting payments in 2025, $100,231 in all, mostly consulting fees. Lists Yale-New Haven Hospital as a hospital affiliation.
Overview
| NPI | 1083819528 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jun 15, 2007 |
| Last updated in NPPES | Sep 18, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 053058 | CT |
| Internal Medicine, Medical Oncology | 207RX0202X | 053058 | CT |
| Hospitalist | 208M00000X | 002864-1 | NY |
| Internal Medicine, Hematology | 207RH0000X | 053058 | 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 - Medical Oncology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 297 across 11 procedure codes |
| Paid by Medicare | $26,564 |
Part D prescriptions in 2024
| Prescriptions (claims) | 68 · 92 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $647,853 |
| Generic share | 44% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliation
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$100,231 · 48 payments from 12 companies
- 2024$111,625 · 42 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Taiho Oncology, Inc. | $24,960 | 8 |
| Biocryst Pharmaceuticals, Inc. | $15,000 | 1 |
| Geron Corporation | $13,761 | 13 |
| Chiesi USA, Inc. | $13,050 | 1 |
| Glaxosmithkline, LLC. | $8,800 | 5 |
What the 2025 payments were for
- Consulting Fee$95,937 · 27 payments
- Compensation for serving as faculty or as a speaker for a medical education program$3,000 · 1 payment
- Travel and Lodging$740.67 · 4 payments
- Food and Beverage$553.63 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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