Nicholas James Hornstein, MD, PHD
NPI 1548764848ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (MD, PHD) in Houston, Texas, trained at Columbia University College of Physicians and Surgeons (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $62,979 for 55 claims, against $11,063 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 7 companies reporting payments in 2025, $24,397 in all, mostly consulting fees.
Overview
| NPI | 1548764848 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Mar 21, 2018 |
| Last updated in NPPES | Mar 7, 2023 |
| Certified by provider | Aug 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | T5126 | TX |
| Internal Medicine | 207R00000X | A165512 | CA |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 108 across 15 procedure codes |
| Paid by Medicare | $11,063 |
Part D prescriptions in 2024
| Prescriptions (claims) | 55 · 68 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $62,979 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- North Shore Health System Medical Faculty Group Practice IncNew Hyde Park, NY · 164 clinicians
Hospital affiliations
- Lenox Hill HospitalNew York, NY
- Long Island Jewish Medical CenterNew Hyde Park, NY
- North Shore University HospitalManhasset, NY
Industry payments (Open Payments)
- 2025$24,397 · 32 payments from 7 companies
- 2024$273.25 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $8,146 | 5 |
| Boston Scientific Corporation | $5,713 | 2 |
| Incyte Corporation | $4,955 | 10 |
| Histosonics, Inc. | $4,850 | 11 |
| Intera Oncology, Inc | $584.18 | 2 |
What the 2025 payments were for
- Consulting Fee$21,303 · 12 payments
- Travel and Lodging$2,481 · 11 payments
- Food and Beverage$613.48 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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