PATRICK DUFFY MD
NPI 1477726271
Surgery - Vascular Surgery in Rock Hill, SC
About Patrick Duffy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICK DUFFY MD (NPI 1477726271) is an individual vascular surgery provider in Rock Hill, South Carolina, licensed in Missouri (2023020247) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Joplin, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Patrick Duffy Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Patrick Duffy reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
York, SC 29745
- Reassigned Medicare billing, South Carolina enrollment
- 175 clinicians in this Medicare group
East Prairie, MO 63845
- Reassigned Medicare billing, Missouri enrollment
- 595 clinicians in this Medicare group
Birch Tree, MO 65438
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1245277631 (Missouri)
- 1,487 clinicians in this Medicare group
Carthage, MO 64836
- Reassigned Medicare billing, Missouri enrollment
- 562 clinicians in this Medicare group
Dover, NH 03820
- Reassigned Medicare billing, New Hampshire enrollment
- 559 clinicians in this Medicare group
Peoria, AZ 85381
- Reassigned Medicare billing, Arizona enrollment
- 8 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Joplin
Acute Care Hospitals · Joplin, MOSaint Francis Medical Center
Acute Care Hospitals · Cape Girardeau, MOWentworth-Douglass Hospital
Acute Care Hospitals · Dover, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29732 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCK HILL, SC 29732
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Patrick Duffy's NPI number?
The NPI number for Patrick Duffy is 1477726271. It was assigned to this individual provider in the NPPES registry on April 12, 2008.
Where is Patrick Duffy located?
Patrick Duffy practices at 222 Herlong Ave S, Rock Hill, SC 29732. The listed phone number is (803) 329-1234.
What is Patrick Duffy's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Patrick Duffy enrolled in Medicare?
Yes. Patrick Duffy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Patrick Duffy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Duffy reassigns Medicare benefits to 6 organizations: Piedmont Physician Network, LLC (York, SC), Saint Francis Medical Center (East Prairie, MO), Mercy Clinic Springfield Communities (Birch Tree, MO), Mercy Clinic Joplin LLC (Carthage, MO), Wentworth Douglass Physician Corporation (Dover, NH) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Patrick Duffy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patrick Duffy accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc. and Blue Cross Blue Shield of Arizona and 4 other insurers list Patrick Duffy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Patrick Duffy affiliated with any hospitals?
According to CMS data, Patrick Duffy is affiliated with Mercy Hospital Joplin, Saint Francis Medical Center and Wentworth-Douglass Hospital.
When was this NPI record last updated?
The NPPES record for Patrick Duffy was last updated on August 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Patrick Duffy, MD · NPI 1477726271
Vascular Surgery physician in Rock Hill, South Carolina. Individual provider, active in the CMS NPPES registry since April 12, 2008.
## Identity
- **NPI:** 1477726271 (Entity type: Individual)
- **Enumerated:** April 12, 2008
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** 2023020247 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 222 HERLONG AVE S, Rock Hill, SC 29732-1158
- **Phone:** (803) 329-1234 · **Fax:** (803) 328-1785
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Piedmont Physician Network, LLC (NPI 1194277186, York, SC); Saint Francis Medical Center (NPI 1306305222, East Prairie, MO); Mercy Clinic Springfield Communities (NPI 1811065477, Birch Tree, MO); Mercy Clinic Joplin LLC (NPI 1477822567, Carthage, MO); Wentworth Douglass Physician Corporation (NPI 1336751825, Dover, NH); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Creighton University School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** August 11, 2025
- **Other identifiers:** Medicaid 3149044 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1477726271) · Data from the CMS NPPES public registry.