Mersema Tesfaye Abate, MD
NPI 1497950133ActiveIndividual· Internal Medicine, Nephrology· East Setauket, NY
Internal Medicine, Nephrology (MD) with North Shore-Lij Medical PC, practicing in East Setauket, New York. Their prescriptions cost Medicare Part D more than their services did: $228,327 for 759 claims, against $53,344 paid for services in 2024. Abbvie Inc. reported $25.86 in payments in 2024, mostly food and beverage. Lists North Shore University Hospital as a hospital affiliation.
Overview
| NPI | 1497950133 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 20, 2007 |
| Last updated in NPPES | Jun 23, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 250029 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 131 |
|---|---|
| Services billed | 487 across 14 procedure codes |
| Paid by Medicare | $53,344 |
Part D prescriptions in 2024
| Prescriptions (claims) | 759 · 1,250 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $228,327 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- North Shore-Lij Medical PCStaten Island, NY · 6,440 clinicians
Hospital affiliation
- North Shore University HospitalManhasset, NY
Industry payments (Open Payments)
- 2024$25.86 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $25.86 | 1 |
What the 2024 payments were for
- Food and Beverage$25.86 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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