Evan J. Zahner, MD
NPI 1154378479ActiveIndividual· Orthopaedic Surgery· Stoneham, MA
Orthopaedic Surgery (MD) in Stoneham, Massachusetts, trained at Columbia University College of Physicians and Surgeons (class of 1992). 787 Medicare patients in 2024, $312,400 paid; nearly all of their 182 Part D prescriptions were generic (98%). Kairos Surgical Inc reported $71.91 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1154378479 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 30, 2006 |
| Last updated in NPPES | Jul 6, 2026 |
| Certified by provider | Jul 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 152993 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 787 |
|---|---|
| Services billed | 24,129 across 80 procedure codes |
| Paid by Medicare | $312,400 |
Part D prescriptions in 2024
| Prescriptions (claims) | 182 · 183 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $2,743 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Orthopedic Surgery, IncStoneham, MA · 25 clinicians
Hospital affiliations
- Melrosewakefield HealthcareMelrose, MA
- Tufts Medical CenterBoston, MA
- Winchester HospitalWinchester, MA
Other facilities
- All Care Vna-Greater Lynn IncHome health agency · Lynn, MA
- Bayada Home Health Care, IncHome health agency · Wilmington, MA
- Elara CaringHome health agency · Newburyport, MA
Industry payments (Open Payments)
- 2025$71.91 · 1 payment from 1 company
- 2024$14.29 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kairos Surgical Inc | $71.91 | 1 |
What the 2025 payments were for
- Food and Beverage$71.91 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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