Fengshuo Lan, M.D.,PH.D.
NPI 1649337122ActiveIndividual· Internal Medicine, Hematology & Oncology· Stony Brook, NY
Internal Medicine, Hematology & Oncology (M.D.,PH.D.) with Stony Brook Internists University Faculty Practice Corporation, practicing in Stony Brook, New York. Their prescriptions cost Medicare Part D more than their services did: $1,809,282 for 629 claims, against $134,108 paid for services in 2024. Regeneron Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2024, $110.60 in all, mostly food and beverage. Lists Suny/Stony Brook University Hospital as a hospital affiliation.
Overview
| NPI | 1649337122 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D.,PH.D. |
| Sole proprietor | No |
| NPI issued | Jan 3, 2007 |
| Last updated in NPPES | Jun 28, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 233819 | NY |
| Specialist | 174400000X | 233819 | NY |
| Internal Medicine | 207R00000X | 233819 | 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 - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 327 |
|---|---|
| Services billed | 1,110 across 12 procedure codes |
| Paid by Medicare | $134,108 |
Part D prescriptions in 2024
| Prescriptions (claims) | 629 · 927 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $1,809,282 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
Medical group
- Stony Brook Internists University Faculty Practice CorporationStony Brook, NY · 428 clinicians
Hospital affiliation
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2024$110.60 · 3 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | $56.33 | 1 |
| Sobi, Inc | $54.27 | 2 |
What the 2024 payments were for
- Food and Beverage$110.60 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 hematologist-oncologists in Stony Brook · All hematologist-oncologists in New York