Matthew Joseph Duffin, MD
Orthopaedic Surgery Physician · Rock Hill, SC
Matthew Joseph Duffin, MD is an orthopaedic surgery physician with a practice address in Rock Hill, South Carolina, and NPI 1528452745, issued on Mar 25, 2015. Check the license on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Matthew Joseph Duffin
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 2021-00709 NC
Self-reported in NPPES; status is on the state search - Practice location
- 134 Professional Park Dr, Rock Hill, SC 29732
- Phone
- (803) 329-3130
- Enumerated
- Mar 25, 2015
- Record last updated
- Jul 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20210901002049); may accept Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 365 in South Carolina → Look up another NPI →
Also registered at 134 Professional Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allen Baheri, PAPhysician Assistant1518327022
- Patrick Casey, PTPhysical Therapist1295043412
- Cara Constantino, PAPhysician Assistant1194371294
- Samuel Davis, MDOrthopaedic Surgery Physician1972779692
- David Harris, PAPhysician Assistant1588255871
- Michael Heinig, MDOrthopaedic Surgery Physician1306829460
Verify Matthew Joseph Duffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024
1,279 Medicare Part D claims for 418 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 269 claims were for opioids.
Most prescribed
- Oxycodone Hcl195 claims
- Celecoxib150 claims
- Gabapentin134 claims
- Diclofenac Sodium132 claims
- Cyclobenzaprine Hcl126 claims
- Amoxicillin96 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 95.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $38,803.49
42 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Carolinas Physicians Network IncCharlotte, NC
- Comprehab, IncGastonia, NC
- Matrix Rehabilitation South Carolina, Inc.Rock Hill, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Joseph Duffin among 365 orthopaedic surgery physician records in South Carolina
Matthew Joseph Duffin, MD is one of 365 orthopaedic surgery physician records with a practice address in South Carolina. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 68% of them.
- NPI issued2015 · 68% of these records are older, 28% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2015 · median 2005 among the 223 with a school on file
- Record last updated2024 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in South Carolina
There are 365 orthopaedic surgery physician records in South Carolina.
All 365 in South Carolina → Every provider in Rock Hill → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Samuel Davis, MDRock Hill, SC 297321972779692
- Michael Heinig, MDRock Hill, SC 297321306829460
- Walter James, MDRock Hill, SC 297321710960125
- William Lehman, MDRock Hill, SC 297321578546974
- William McCarthy, MDRock Hill, SC 297321649253055
- Donald McQueen, MDRock Hill, SC 297321902889322
- Derek Parshall, MDRock Hill, SC 297321225491657
- Eugene Powell, MDRock Hill, SC 297321952384018
Common questions
What is Matthew Joseph Duffin, MD's NPI number?
Matthew Joseph Duffin, MD's National Provider Identifier (NPI) is 1528452745, issued on Mar 25, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Joseph Duffin, MD located?
The NPPES record lists a practice address at 134 Professional Park Dr, Rock Hill, SC, 29732. Phone: (803) 329-3130. Providers update this record themselves, so call before visiting.
How can I verify Matthew Joseph Duffin, MD's license?
Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Joseph Duffin, MD prescribe under Medicare Part D?
In 2024, Matthew Joseph Duffin, MD had 1,279 Medicare Part D claims for 418 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Matthew Joseph Duffin, MD's MIPS final score?
The 2023 MIPS final score is 95.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.