Matthew Joseph Duffin, MD
NPI 1528452745ActiveIndividual· Orthopaedic Surgery· Rock Hill, SC
Orthopaedic Surgery (MD) in Rock Hill, South Carolina, trained at Medical University of South Carolina College of Medicine (class of 2015). 488 Medicare patients in 2024, $203,949 paid; all of their 1,279 Part D prescriptions were generic. Smith+nephew, Inc. was the largest of 7 companies reporting payments in 2025, $33,808 in all, mostly consulting fees.
Overview
| NPI | 1528452745 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 25, 2015 |
| Last updated in NPPES | Jul 15, 2024 |
| Certified by provider | Nov 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 2021-00709 | NC |
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 (NC); Practitioner - Orthopedic Surgery (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 488 |
|---|---|
| Services billed | 2,106 across 54 procedure codes |
| Paid by Medicare | $203,949 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,279 · 1,301 30-day fills |
|---|---|
| Patients | 418 |
| Total drug cost | $11,257 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Carolinas Physicians Network IncCharlotte, NC · 2,325 clinicians
- Comprehab, IncGastonia, NC · 415 clinicians
- Matrix Rehabilitation South Carolina, Inc.Rock Hill, SC · 14 clinicians
Hospital affiliations
- Atrium Health PinevilleCharlotte, NC
- Carolinas Medical Center/Behav HealthCharlotte, NC
- Piedmont Medical CenterRock Hill, SC
Other facilities
- Adoration Home HealthHome health agency · Rock Hill, SC
- Atrium Health at Home CharlotteHome health agency · Charlotte, NC
- Atrium Health at Home ClevelandHome health agency · Shelby, NC
- Centerwell Home HealthHome health agency · Gaffney, SC
- Healthy at Home YorkHome health agency · Rock Hill, SC
- Carolinas RehabilitationInpatient rehabilitation facility · Charlotte, NC
Industry payments (Open Payments)
- 2025$33,808 · 80 payments from 7 companies
- 2024$38,971 · 43 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $26,991 | 53 |
| Medical Device Business Services, Inc. | $4,042 | 2 |
| Zimmer Biomet Holdings, Inc. | $1,158 | 8 |
| Stryker Corporation | $1,014 | 11 |
| Depuy Synthes Sales Inc. | $392.97 | 3 |
What the 2025 payments were for
- Consulting Fee$22,286 · 6 payments
- Travel and Lodging$7,739 · 23 payments
- Food and Beverage$3,782 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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