Steven Jay Lomasky, M.D.
NPI 1891738456ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Rockville Centre, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Rockville Centre, New York, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $2,611,140 for 4,839 claims, against $190,163 paid for services in 2024.
Overview
| NPI | 1891738456 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 13, 2006 |
| Last updated in NPPES | Feb 19, 2021 |
| Certified by provider | Feb 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 152077 | 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 - Endocrinology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 728 |
|---|---|
| Services billed | 3,646 across 12 procedure codes |
| Paid by Medicare | $190,163 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,839 · 13,077 30-day fills |
|---|---|
| Patients | 657 |
| Total drug cost | $2,611,140 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Endocrinology |
Medical group
- New York UniversityNew York, NY · 6,134 clinicians
Hospital affiliations
- Mount Sinai South NassauOceanside, NY
- NYU Langone HospitalsNew York, NY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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