John J. Loscalzo, MD
NPI 1699758482ActiveIndividual· Internal Medicine, Hematology & Oncology· Bay Shore, NY
Internal Medicine, Hematology & Oncology (MD) in Bay Shore, New York, trained at New York Medical College (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $1,802,815 for 620 claims, against $170,622 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $779.44 in all, mostly food and beverage.
Overview
| NPI | 1699758482 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 25, 2005 |
| Last updated in NPPES | Dec 9, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 189705 | 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 - Hematology/Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 470 |
|---|---|
| Services billed | 2,260 across 18 procedure codes |
| Paid by Medicare | $170,622 |
Part D prescriptions in 2024
| Prescriptions (claims) | 620 · 1,161 30-day fills |
|---|---|
| Patients | 142 |
| Total drug cost | $1,802,815 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Hematology/Oncology |
Medical group
- Chs Physician Partners PCRoslyn, NY · 743 clinicians
Hospital affiliations
- Good Samaritan Hospital Medical CenterWest Islip, NY
- Long Island Jewish Medical CenterNew Hyde Park, NY
- North Shore University HospitalManhasset, NY
Industry payments (Open Payments)
- 2025$779.44 · 31 payments from 19 companies
- 2024$693.54 · 30 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $173.58 | 7 |
| Novartis Pharmaceuticals Corporation | $124.05 | 5 |
| Alexion Pharmaceuticals, Inc. | $54.38 | 2 |
| Galvanize Therapeutics, Inc | $40.00 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $37.46 | 2 |
What the 2025 payments were for
- Food and Beverage$756.34 · 30 payments
- Education$23.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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