Xiaowei Xu, MD
NPI 1639115470ActiveIndividual· Pathology, Anatomic Pathology· Philadelphia, PA
Pathology, Anatomic Pathology (MD) with University of Penn - Medical Group, practicing in Philadelphia, Pennsylvania. Medicare paid $29,365 for services to 269 patients in 2024. Merck Sharp & Dohme LLC reported $8,583 in payments in 2025, mostly consulting fees. Lists Hospital of Univ of Pennsylvania and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1639115470 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 21, 2006 |
| Last updated in NPPES | Sep 1, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology Primary | 207ZP0101X | MD072192L | PA |
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 - Pathology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 269 |
|---|---|
| Services billed | 878 across 21 procedure codes |
| Paid by Medicare | $29,365 |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- University of Penn - Medical GroupPhiladelphia, PA · 3,505 clinicians
Hospital affiliations
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Penn Presbyterian Medical CenterPhiladelphia, PA
- Pennsylvania HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$8,583 · 11 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $8,583 | 11 |
What the 2025 payments were for
- Consulting Fee$7,040 · 1 payment
- Travel and Lodging$1,269 · 6 payments
- Food and Beverage$273.21 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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