Jiangping Gan
NPI 1134199920ActiveIndividual· Internal Medicine· Flushing, NY
Internal Medicine in Flushing, New York, licensed in NY, with an NPI issued in January 2006. Their prescriptions cost Medicare Part D more than their services did: $922,326 for 7,306 claims, against $8,531 paid for services in 2024. Gilead Sciences, Inc. reported $68.19 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1134199920 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jan 24, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 233948 | 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 | 24 |
|---|---|
| Services billed | 147 across 15 procedure codes |
| Paid by Medicare | $8,531 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,306 · 10,201 30-day fills |
|---|---|
| Patients | 253 |
| Total drug cost | $922,326 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
- 2025$68.19 · 2 payments from 1 company
- 2024$15.40 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $68.19 | 2 |
What the 2025 payments were for
- Food and Beverage$68.19 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 356 internal medicine physicians in Flushing · All internal medicine physicians in New York