Nan Sandar, M.D.
NPI 1376785634ActiveIndividual· Specialist· Brooklyn, NY
Specialist (M.D.) with Michael Li MD PLLC, practicing in Brooklyn, New York. Their prescriptions cost Medicare Part D more than their services did: $41,817 for 330 claims, against $19,573 paid for services in 2024. Gilead Sciences, Inc. was the largest of 11 companies reporting payments in 2025, $1,100 in all, mostly food and beverage.
Overview
| NPI | 1376785634 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 1, 2009 |
| Last updated in NPPES | Apr 1, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 252447-1 | 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 - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 116 |
|---|---|
| Services billed | 178 across 8 procedure codes |
| Paid by Medicare | $19,573 |
Part D prescriptions in 2024
| Prescriptions (claims) | 330 · 343 30-day fills |
|---|---|
| Patients | 204 |
| Total drug cost | $41,817 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Michael Li MD PLLCFlushing, NY · 3 clinicians
Industry payments (Open Payments)
- 2025$1,100 · 40 payments from 11 companies
- 2024$565.73 · 29 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $282.93 | 14 |
| Janssen Biotech, Inc. | $210.38 | 7 |
| Amgen Inc. | $157.14 | 1 |
| Novo Nordisk Inc | $145.44 | 2 |
| Madrigal Pharmaceuticals | $65.94 | 2 |
What the 2025 payments were for
- Food and Beverage$1,023 · 39 payments
- Education$76.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 6,305 Specialist providers in Brooklyn · All Specialist providers in New York