MS. KAREN FRANCES DUFFY R.N.,M.S.,ANP,GCNS
NPI 1811099716
Nurse Practitioner - Adult Health in Victor, NY

Q: What is Karen Duffy's NPI number?

The NPI number for Karen Duffy is 1811099716. It was assigned to this individual provider in the NPPES registry on September 1, 2006.

Q: What is Karen Duffy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Karen Duffy was last updated on August 5, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since September 01, 2006PECOS Enrolled

6532 ANTHONY DR A, VICTOR, NY 14564(585) 924-2100(585) 398-1217 Get Directions Write a Review

NPPES record last updated: August 5, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Ms. Karen Frances Duffy R.n.,m.s.,anp,gcns NPPES

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

MS. KAREN FRANCES DUFFY R.N.,M.S.,ANP,GCNS (NPI 1811099716) is an individual adult health provider in Victor, New York, licensed in New York (F302064-1) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811099716

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameMS. KAREN FRANCES DUFFYCredential: R.N.,M.S.,ANP,GCNS

Location Address6532 ANTHONY DR AVictor, NY 14564-1403

Mailing Address6532 Anthony Dr AVictor, NY 14564-1403 · (585) 924-2100 · Fax (585) 398-1217

Phone(585) 924-2100

Fax(585) 398-1217

Sole ProprietorYes

Enumeration DateSeptember 1, 2006

Last NPPES UpdateAugust 5, 2020

NPPES CertifiedAugust 5, 2020

✔ NPI 1811099716 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in NY · F302064-1

6532 ANTHONY DR A, Victor, NY 14564

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Karen Frances Duffy R.n.,m.s.,anp,gcns is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Karen Duffy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Victor Internal Medicine & Pediatrics,p.C.

Same address

Internal Medicine

6532 ANTHONY DR STE A
Victor, NY 14564

Reassigned Medicare billing, New York enrollment
7 clinicians in this Medicare group

NPI 1275673758 (585) 924-2100

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 14564 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

$84.93 typical visit price

range $54.87 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$97.08 typical visit price

range $17.54 – $136.14

Typical copayment $24.27 (range $4.38 – $34.03)

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 Karen Duffy's NPI number?

The NPI number for Karen Duffy is 1811099716. It was assigned to this individual provider in the NPPES registry on September 1, 2006.

Where is Karen Duffy located?

Karen Duffy practices at 6532 Anthony Dr A, Victor, NY 14564. The listed phone number is (585) 924-2100.

What is Karen Duffy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Karen Duffy enrolled in Medicare?

Yes. Karen Duffy is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karen Duffy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Duffy reassigns Medicare benefits to Victor Internal Medicine & Pediatrics,p.C. (Victor, NY). The 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 Karen Duffy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karen Duffy was last updated on August 5, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.