MRS. SARAH MADISON DUFF MD
NPI 1417480153
Ophthalmology - Pediatric Ophthalmology and Strabismus Specialist in Louisville, KY
About Mrs. Sarah Madison Duff Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SARAH MADISON DUFF MD (NPI 1417480153) is an individual pediatric ophthalmology and strabismus specialist in Louisville, Kentucky, licensed in Kentucky (61667) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Sarah Madison Duff Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sarah Duff reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Louisville, KY 40241
- Reassigned Medicare billing, Kentucky enrollment
- Medicare enrollment name: Norton Childrens Medical Group LLC
- 1,008 clinicians in this Medicare group
Fort Worth, TX 76104
- Reassigned Medicare billing, Texas enrollment
- 7 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40220 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOUISVILLE, KY 40220
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 Sarah Duff's NPI number?
The NPI number for Sarah Duff is 1417480153. It was assigned to this individual provider in the NPPES registry on April 10, 2017.
Where is Sarah Duff located?
Sarah Duff practices at 2933 Breckenridge Ln Ste 102, Louisville, KY 40220. The listed phone number is (502) 588-9588.
What is Sarah Duff's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Pediatric Ophthalmology and Strabismus Specialist, with taxonomy code 207WX0110X.
Is Sarah Duff enrolled in Medicare?
Yes. Sarah Duff is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sarah Duff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Duff reassigns Medicare benefits to 2 organizations: Norton Children's Medical Group, LLC (Louisville, KY) and Pediatric Eye Specialists LLP (Fort Worth, 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 Sarah Duff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Duff accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Sarah Duff 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 Sarah Duff was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.