Xiao Xiao Wei, MD
NPI 1255630026ActiveIndividual· Internal Medicine, Medical Oncology· Boston, MA
Internal Medicine, Medical Oncology (MD) in Boston, Massachusetts, trained at State University of New York at Buffalo School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $1,453,364 for 362 claims, against $52,862 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 5 companies reporting payments in 2025, $5,760 in all, mostly consulting fees.
Overview
| NPI | 1255630026 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 19, 2011 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 272999 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 239 |
|---|---|
| Services billed | 591 across 11 procedure codes |
| Paid by Medicare | $52,862 |
Part D prescriptions in 2024
| Prescriptions (claims) | 362 · 451 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $1,453,364 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dana-Farber Cancer Institute, Inc.Boston, MA · 684 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Cooley Dickinson Hospital Inc,theNorthampton, MA
- Massachusetts General HospitalBoston, MA
- Wentworth-Douglass HospitalDover, NH
Industry payments (Open Payments)
- 2025$5,760 · 6 payments from 5 companies
- 2024$1,120 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $2,824 | 2 |
| Astrazeneca Uk Limited | $2,800 | 1 |
| Janssen Scientific Affairs, LLC | $96.12 | 1 |
| Merck Sharp & Dohme LLC | $25.70 | 1 |
| Astellas Pharma US Inc | $14.71 | 1 |
What the 2025 payments were for
- Consulting Fee$5,550 · 2 payments
- Food and Beverage$184.74 · 3 payments
- Education$25.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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