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KAROL ROSE DUFFY NP
NPI 1225606338
Nurse Practitioner - Family in South Riding, VA

Active since June 15, 2021PECOS EnrolledAccepts Medicare Assignment
26035 MURREY DR, SOUTH RIDING, VA 20152(703) 327-5211 Get Directions Write a Review

NPPES record last updated: June 15, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Karol Rose Duffy Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAROL ROSE DUFFY NP (NPI 1225606338) is an individual family provider in South Riding, Virginia, licensed in Virginia (0024181264) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1225606338
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKAROL ROSE DUFFYCredential: NP
Location Address26035 MURREY DRSouth Riding, VA 20152-3600
Mailing Address26035 Murrey DrSouth Riding, VA 20152-3600 · (703) 327-5211
Phone(703) 327-5211
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 15, 2021
NPPES CertifiedJune 15, 2021
✔ NPI 1225606338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in VA · 0024181264
26035 MURREY DR, South Riding, VA 20152
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, CareSource (Common Ground Healthcare).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

Karol Rose Duffy Np 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.

PECOS PAC ID4981089562
PECOS Enrollment IDI20260407000217
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Karol Duffy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Signify Health, LLC
1,158 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Virginia enrollment
  • 501 clinicians in this Medicare group
NPI 1689158487 (469) 466-7007
Signify Health Medical Associates, PLLC
1,158 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, West Virginia enrollment
  • 228 clinicians in this Medicare group
NPI 1750845863 (972) 715-3800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20152 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Karol Duffy's NPI number?

The NPI number for Karol Duffy is 1225606338. It was assigned to this individual provider in the NPPES registry on June 15, 2021.

Where is Karol Duffy located?

Karol Duffy practices at 26035 Murrey Dr, South Riding, VA 20152. The listed phone number is (703) 327-5211.

What is Karol Duffy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Karol Duffy enrolled in Medicare?

Yes. Karol 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 Karol Duffy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karol Duffy reassigns Medicare benefits to 2 organizations: Signify Health, LLC (Dallas, TX) and Signify Health Medical Associates, PLLC (Dallas, TX). 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 Karol Duffy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karol Duffy accept?

Health plans from CareSource and CareSource (Common Ground Healthcare) list Karol 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.

When was this NPI record last updated?

The NPPES record for Karol Duffy was last updated on June 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.