Mark Chu Xu, MD
NPI 1003699471ActiveIndividual· Orthopaedic Surgery· San Francisco, CA
Orthopaedic Surgery (MD) in San Francisco, California, trained at University of Manitoba, Faculty of Medicine (class of 2016). Medicare paid $46,463 for services to 66 patients in 2024. Kls-Martin L.P. was the largest of 2 companies reporting payments in 2025, $2,127 in all, mostly travel and lodging.
Overview
| NPI | 1003699471 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 17, 2023 |
| Last updated in NPPES | Aug 17, 2023 |
| Certified by provider | Aug 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | A188903 | CA |
| Orthopaedic Surgery, Orthopaedic Surgery of the Spine | 207XS0117X | A188903 | CA |
| Orthopaedic Surgery, Orthopaedic Trauma | 207XX0801X | A188903 | CA |
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 - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 66 |
|---|---|
| Services billed | 148 across 48 procedure codes |
| Paid by Medicare | $46,463 |
Education and affiliations
| Medical school | University of Manitoba, Faculty of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical groups
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
- University of California Sfgh Medical GroupSan Francisco, CA · 587 clinicians
- Washington Township Medical FoundationFremont, CA · 117 clinicians
Hospital affiliations
- Washington HospitalFremont, CA
- Zuckerberg San Francisco General Hosp & Trauma CtrSan Francisco, CA
Industry payments (Open Payments)
- 2025$2,127 · 9 payments from 2 companies
- 2024$4,516 · 39 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kls-Martin L.P. | $1,718 | 3 |
| Stryker Corporation | $408.45 | 6 |
What the 2025 payments were for
- Travel and Lodging$1,718 · 3 payments
- Food and Beverage$408.45 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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