Zachary Walsh Sisko, M.D.
NPI 1144535139ActiveIndividual· Orthopaedic Surgery· Jefferson Hills, PA
Orthopaedic Surgery (M.D.) in Jefferson Hills, Pennsylvania, trained at Saint Louis University School of Medicine (class of 2010). 262 Medicare patients in 2024, $130,648 paid; nearly all of their 769 Part D prescriptions were generic (99%). Amgen Inc. was the largest of 3 companies reporting payments in 2025, $432.27 in all, mostly food and beverage.
Overview
| NPI | 1144535139 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 13, 2010 |
| Last updated in NPPES | Aug 18, 2023 |
| Certified by provider | Jun 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | MD458446 | PA |
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery | 207XS0114X | MD458446 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 262 |
|---|---|
| Services billed | 7,295 across 57 procedure codes |
| Paid by Medicare | $130,648 |
Part D prescriptions in 2024
| Prescriptions (claims) | 769 · 804 30-day fills |
|---|---|
| Patients | 270 |
| Total drug cost | $6,133 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Allegheny ClinicPittsburgh, PA · 2,389 clinicians
Hospital affiliations
- Jefferson HospitalJefferson Hills, PA
- Uniontown HospitalUniontown, PA
Other facilities
- Allegheny Health Network Healthcare at Home Home HHome health agency · Warrendale, PA
- Allegheny Health Network Healthcare at Home Home HealthHome health agency · Canonsburg, PA
Industry payments (Open Payments)
- 2025$432.27 · 5 payments from 3 companies
- 2024$535.73 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $395.24 | 3 |
| Stryker Corporation | $19.66 | 1 |
| Smith+nephew, Inc. | $17.37 | 1 |
What the 2025 payments were for
- Food and Beverage$432.27 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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