Marissa Elizabeth Bonyun, MD, MED, FRCSC
NPI 1790338341ActiveIndividual· Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery· Baltimore, MD
Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery (MD, MED, FRCSC) in Baltimore, Maryland, trained at University of Toronto, Faculty of Medicine (class of 2013). Mostly services rather than prescriptions: Medicare paid $100,697 for 167 patients in 2024, with only 29 Part D claims. Kerecis Limited reported $35.04 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1790338341 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MED, FRCSC |
| Sole proprietor | No |
| NPI issued | Jul 23, 2019 |
| Last updated in NPPES | Aug 19, 2020 |
| Certified by provider | Aug 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery Primary | 207XS0114X | 35.139373 | OH |
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 (DC); Practitioner - Orthopedic Surgery (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 167 |
|---|---|
| Services billed | 283 across 47 procedure codes |
| Paid by Medicare | $100,697 |
Part D prescriptions in 2024
| Prescriptions (claims) | 29 · 29 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $81.70 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Toronto, Faculty of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Dimensions Healthcare Associates, IncCheverly, MD · 199 clinicians
- University of Maryland Orthopaedic Associates PABaltimore, MD · 67 clinicians
- University of Maryland Orthopaedic Trauma Associates, P.A.Baltimore, MD · 41 clinicians
Hospital affiliations
- University of Maryland Medical CenterBaltimore, MD
- University of MD Capital Region Medical CenterUpper Marlboro, MD
- University of MD Medical Center Midtown CampusBaltimore, MD
Industry payments (Open Payments)
- 2025$35.04 · 1 payment from 1 company
- 2024$5,200 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kerecis Limited | $35.04 | 1 |
What the 2025 payments were for
- Food and Beverage$35.04 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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