Andrew D. Seidman, MD
NPI 1578534335ActiveIndividual· Internal Medicine, Medical Oncology· New York, NY
Internal Medicine, Medical Oncology (MD) with Memorial Solid Tumor Group and 1 other group, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $1,245,603 for 484 claims, against $40,943 paid for services in 2024. Gilead Sciences, Inc. was the largest of 7 companies reporting payments in 2025, $134,630 in all, mostly speaking and faculty fees.
Overview
| NPI | 1578534335 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 30, 2006 |
| Last updated in NPPES | Feb 24, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 177558 | NY |
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 - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 501 across 11 procedure codes |
| Paid by Medicare | $40,943 |
Part D prescriptions in 2024
| Prescriptions (claims) | 484 · 914 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $1,245,603 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Memorial Solid Tumor GroupNew York, NY · 234 clinicians
- Msk NassauUniondale, NY · 98 clinicians
Industry payments (Open Payments)
- 2025$134,630 · 92 payments from 7 companies
- 2024$169,135 · 133 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $54,555 | 35 |
| Stemline Therapeutics Inc. | $21,917 | 19 |
| Astrazeneca Pharmaceuticals LP | $19,827 | 13 |
| Lilly USA, LLC | $17,338 | 12 |
| Janssen Research & Development, LLC | $11,973 | 5 |
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$96,615 · 34 payments
- Consulting Fee$22,100 · 7 payments
- Travel and Lodging$14,077 · 33 payments
- Food and Beverage$1,837 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in New York
- 1083988513
- 1871784504
- 1295706869
- 1912978487
- 1245945021
- 1316406879
- 1588789341
- 1972877546
- 1972835874
- 1104281245
- 1134190168
- 1598146227
All Internal Medicine, Medical Oncology providers in New York →