Joseph Xavier Kou, M.D.
NPI 1518175868ActiveIndividual· Orthopaedic Surgery, Foot and Ankle Surgery· Walnut Creek, CA
Orthopaedic Surgery, Foot and Ankle Surgery (M.D.) in Walnut Creek, California, trained at Wayne State University School of Medicine (class of 2002). 607 Medicare patients in 2024, $185,585 paid; nearly all of their 224 Part D prescriptions were generic (99%). Paragon 28, Inc. was the largest of 3 companies reporting payments in 2025, $279.62 in all, mostly food and beverage.
Overview
| NPI | 1518175868 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 18, 2007 |
| Last updated in NPPES | Nov 12, 2025 |
| Certified by provider | Nov 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Foot and Ankle Surgery Primary | 207XX0004X | A99887 | CA |
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 - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 607 |
|---|---|
| Services billed | 1,849 across 85 procedure codes |
| Paid by Medicare | $185,585 |
Part D prescriptions in 2024
| Prescriptions (claims) | 224 · 226 30-day fills |
|---|---|
| Patients | 105 |
| Total drug cost | $4,013 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Golden State Orthopedics and SpineCampbell, CA · 182 clinicians
Hospital affiliation
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$279.62 · 3 payments from 3 companies
- 2024$104.75 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Paragon 28, Inc. | $141.11 | 1 |
| Acumed LLC | $110.13 | 1 |
| Stryker Corporation | $28.38 | 1 |
What the 2025 payments were for
- Food and Beverage$279.62 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery, Foot and Ankle Surgery providers in Walnut Creek
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All Orthopaedic Surgery, Foot and Ankle Surgery providers in California →