Nay Lin Oo
NPI 1962893941ActiveIndividual· Internal Medicine· Oceanside, NY
Internal Medicine with Mount Sinai School of Medicine, practicing in Oceanside, New York. In 2024 Medicare paid $117,603 for 510 patients, and Part D covered 317 of their prescriptions, 86% of them generic. E.R. Squibb & Sons, L.L.C. reported $21.06 in payments in 2025, mostly food and beverage. Lists Mount Sinai South Nassau as a hospital affiliation.
Overview
| NPI | 1962893941 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Feb 11, 2015 |
| Last updated in NPPES | Jan 28, 2021 |
| Certified by provider | Jan 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 291699 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 510 |
|---|---|
| Services billed | 1,203 across 13 procedure codes |
| Paid by Medicare | $117,603 |
Part D prescriptions in 2024
| Prescriptions (claims) | 317 · 350 30-day fills |
|---|---|
| Patients | 132 |
| Total drug cost | $18,487 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Mount Sinai School of MedicineOceanside, NY · 148 clinicians
Hospital affiliation
- Mount Sinai South NassauOceanside, NY
Other facilities
- Americare Certified Special Services, Inc ChhaHome health agency · Brooklyn, NY
- M J H S Hospice and Palliative Care, IncHospice · New York, NY
Industry payments (Open Payments)
- 2025$21.06 · 1 payment from 1 company
- 2024$151.77 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $21.06 | 1 |
What the 2025 payments were for
- Food and Beverage$21.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 internal medicine physicians in Oceanside · All internal medicine physicians in New York