John K. Mariani, DO
NPI 1811006885ActiveIndividual· Orthopaedic Surgery· Sewell, NJ
Orthopaedic Surgery (DO) in Sewell, New Jersey, trained at Philadelphia College of Osteopathic Medicine (class of 1981). 518 Medicare patients in 2024, $275,075 paid; nearly all of their 245 Part D prescriptions were generic (99%). Stryker Corporation was the largest of 2 companies reporting payments in 2025, $1,019 in all, mostly food and beverage.
Overview
| NPI | 1811006885 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Mar 17, 2026 |
| Certified by provider | Mar 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 25MB04123100 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 518 |
|---|---|
| Services billed | 3,453 across 35 procedure codes |
| Paid by Medicare | $275,075 |
Part D prescriptions in 2024
| Prescriptions (claims) | 245 · 247 30-day fills |
|---|---|
| Patients | 146 |
| Total drug cost | $1,174 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Virtua Medical Group, PACherry Hill, NJ · 1,688 clinicians
Hospital affiliations
- Jefferson Stratford HospitalStratford, NJ
- West Jersey HospitalVoorhees, NJ
Other facilities
- Jefferson Health at Home By BayadaHome health agency · Voorhees, NJ
Industry payments (Open Payments)
- 2025$1,019 · 15 payments from 2 companies
- 2024$2,784 · 26 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $963.33 | 13 |
| Smith+nephew, Inc. | $55.23 | 2 |
What the 2025 payments were for
- Food and Beverage$1,019 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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