Matthew Duffin, MD
NPI 1528452745 · Orthopaedic Surgery Physician · Rock Hill, SC
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Duffin, MD is a Orthopaedic Surgery Physician provider in Rock Hill, SC (NPI 1528452745).
Provider details
- NPI number
- 1528452745
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2021-00709 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,246 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 288 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 214 | $86 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 151 | $68 |
| X-Ray of Knee, 4 Or More Views73564 | 115 | $45 |
| X-Ray of Hip, 2-3 Views73502 | 110 | $44 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 195 | 91 |
| Celecoxib | 150 | 105 |
| Gabapentin | 134 | 70 |
| Diclofenac Sodium | 132 | 73 |
| Cyclobenzaprine Hcl | 126 | 102 |
| Amoxicillin | 96 | 54 |
| Methocarbamol | 79 | 54 |
| Prednisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38,803 across 42 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 11530 Providence RdSte 1300Charlotte, NC 28277-2691Phone: (704) 667-0780
- 10660 Park RdSte 3100Charlotte, NC 28210-8413Phone: (704) 667-8750
- 1690 Highway 160 WFort Mill, SC 29708-8024Phone: (803) 548-2424
Registry dates
- Enumerated
- 2015-03-25
- Last updated
- 2024-07-15
- Certified
- 2020-11-21
Frequently asked questions
- What is Matthew Duffin's NPI number?
- Matthew Duffin's National Provider Identifier (NPI) is 1528452745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Duffin's specialty?
- Matthew Duffin is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Duffin located?
- Matthew Duffin's practice location on file with NPPES is 134 Professional Park Dr, Rock Hill, SC 29732-1178.
- What is Matthew Duffin's phone number?
- The practice phone number listed in the NPPES registry for Matthew Duffin is (803) 329-3130.
- Does Matthew Duffin accept Medicare?
- Matthew Duffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Duffin's NPI active?
- Yes — Matthew Duffin's NPI (1528452745) is active in the NPPES registry as of the last update on 2024-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.