Michael Mariorenzi, MD
NPI 1861870321ActiveIndividual· Orthopaedic Surgery· Cranston, RI
Orthopaedic Surgery (MD) in Cranston, Rhode Island, trained at Georgetown University School of Medicine (class of 2015). 247 Medicare patients in 2024, $103,732 paid; all of their 307 Part D prescriptions were generic. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $789.38 in all, mostly food and beverage.
Overview
| NPI | 1861870321 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 15, 2015 |
| Last updated in NPPES | May 23, 2023 |
| Certified by provider | May 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | MD17077 | RI |
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 (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 2,845 across 59 procedure codes |
| Paid by Medicare | $103,732 |
Part D prescriptions in 2024
| Prescriptions (claims) | 307 · 321 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $1,882 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- University Orthopedics IncMansfield, MA · 196 clinicians
Hospital affiliations
- Kent County Memorial HospitalWarwick, RI
- Our Lady of Fatima HospitalNorth Providence, RI
- Rhode Island HospitalProvidence, RI
- Roger Williams Medical CenterProvidence, RI
- The Miriam HospitalProvidence, RI
Other facilities
- Amedisys Home Health CareHome health agency · Warwick, RI
- Enhabit Home HealthHome health agency · Warwick, RI
- Vna of Care New EnglandHome health agency · Warwick, RI
Industry payments (Open Payments)
- 2025$789.38 · 10 payments from 2 companies
- 2024$203.73 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $649.24 | 8 |
| Zimmer Biomet Holdings, Inc. | $140.14 | 2 |
What the 2025 payments were for
- Food and Beverage$789.38 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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