NPPES file of Aug 9, 2026

Patrick Duffy, MD

Vascular Surgery Physician · Rock Hill, SC

Patrick Duffy, MD is a vascular surgery physician with a practice address in Rock Hill, South Carolina, and NPI 1477726271, issued on Apr 12, 2008. Check the license (South Carolina 91032, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477726271
Name
Patrick Duffy
Credential
MD
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License numbers
91032 SC
2023020247 MO
34507 NH
M9261 TX
Self-reported in NPPES; status is on the state search
Practice location
222 Herlong Ave S, Rock Hill, SC 29732
Phone
(803) 329-1234
Enumerated
Apr 12, 2008
Record last updated
Aug 11, 2025
Fax
(803) 328-1785
Medicaid ID
3149044 NH
Medicare enrollment
Enrolled (PECOS I20250502001946); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 222 Herlong Ave S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mesrop Ayrapetyan, MDAnatomic Pathology & Clinical Pathology Physician1508356635
  2. Brooke BaussPhysician Assistant1366307308
  3. Marcelin Bhasker, MDInternal Medicine Physician1720408651
  4. Chandler BlackburnSurgical Physician Assistant1275476202
  5. Ethan BoykoAnesthesiologist Assistant1508791120
  6. Madison BramerPhysician Assistant1184418717

Verify Patrick Duffy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 91032
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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38% fewer Medicare Part D claims than the average vascular surgery physician in 2024

125 Medicare Part D claims for 69 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. 82 claims were for opioids.

  1. Patrick Duffy125
  2. Specialty average201

Most prescribed

  1. Hydrocodone-Acetaminophen66 claims
  2. Oxycodone-Acetaminophen12 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.

5 hospitals and group practices

  1. Saint Francis Medical CenterCape Girardeau, MO · Acute Care Hospitals3 of 5 stars
  2. Mercy Clinic Joplin LLCJoplin, MO
  3. Mercy Clinic Springfield CommunitiesSpringfield, MO
  4. Piedmont Physician Network LLCRock Hill, SC
  5. Wentworth Douglass Physician CorporationDover, NH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Patrick Duffy among 107 vascular surgery physician records in South Carolina

Patrick Duffy, MD is one of 107 vascular surgery physician records with a practice address in South Carolina. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.

  • NPI issued2008 · 55% of these records are older, 41% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2002 · median 2003 among the 77 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular Surgery Physician providers in South Carolina

There are 107 vascular surgery physician records in South Carolina.

The 8 vascular surgery physician records with the nearest ZIP codes

  1. Robert Allen, MDRock Hill, SC 297321659321115
  2. Elias Arbid, M.D.Rock Hill, SC 297321578561528
  3. Emilia Krol, M.D.Rock Hill, SC 297321952531386
  4. Daniel McDevitt, M.D.Rock Hill, SC 297321174676829
  5. Martin Taormina, M.D.Fort Mill, SC 297151154380350
  6. Anas Abdel Azim, M.D., M.SCGreenwood, SC 296461104131143
  7. Jeffrey Lanford, MDGreenwood, SC 296461619083060
  8. Judson Woollen, MDGreenwood, SC 296461790213833

Common questions

What is Patrick Duffy, MD's NPI number?

Patrick Duffy, MD's National Provider Identifier (NPI) is 1477726271, issued on Apr 12, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Patrick Duffy, MD located?

The NPPES record lists a practice address at 222 Herlong Ave S, Rock Hill, SC, 29732. Phone: (803) 329-1234. Providers update this record themselves, so call before visiting.

How can I verify Patrick Duffy, MD's license?

NPPES lists South Carolina license number 91032, as entered by the provider. 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 Patrick Duffy, MD prescribe under Medicare Part D?

In 2024, Patrick Duffy, MD had 125 Medicare Part D claims for 69 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.

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.