Debra Shira Greenfield, M.D.
NPI 1558525964ActiveIndividual· Internal Medicine· West Hempstead, NY
Internal Medicine (M.D.) in West Hempstead, New York, trained at Icahn School of Medicine at Mount Sinai (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $518,783 for 727 claims, against $35,720 paid for services in 2024. Novo Nordisk Inc was the largest of 6 companies reporting payments in 2025, $265.37 in all, mostly food and beverage.
Overview
| NPI | 1558525964 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 15, 2008 |
| Last updated in NPPES | Jul 15, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 156795 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 68 |
|---|---|
| Services billed | 503 across 8 procedure codes |
| Paid by Medicare | $35,720 |
Part D prescriptions in 2024
| Prescriptions (claims) | 727 · 885 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $518,783 |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
Medical group
- Dr Michael Kaplan DO PCSmithtown, NY · 2 clinicians
Industry payments (Open Payments)
- 2025$265.37 · 14 payments from 6 companies
- 2024$379.27 · 14 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $89.36 | 4 |
| Lilly USA, LLC | $67.10 | 4 |
| Vivus LLC | $44.44 | 2 |
| Currax Pharmaceuticals LLC | $29.30 | 2 |
| Medicomp Inc | $17.66 | 1 |
What the 2025 payments were for
- Food and Beverage$265.37 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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