WILLIAM P WILLIAMSON MD LLC
NPI 1669229753
Physical Medicine & Rehabilitation in Louisville, KY
About William P Williamson Md Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM P WILLIAMSON MD LLC (NPI 1669229753) is a healthcare organization registered as a physical medicine & rehabilitation in Louisville, Kentucky and active in the NPI registry since May 2024. The organization lists William Williamson, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William P Williamson Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to William P Williamson MD LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Louisville, KY 40202
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 William P Williamson MD LLC's NPI number?
The NPI number for William P Williamson MD LLC is 1669229753. It was assigned to this organization in the NPPES registry on May 6, 2024.
Where is William P Williamson MD LLC located?
William P Williamson MD LLC is located at 220 Abraham Flexner Way, Louisville, KY 40202. The listed phone number is (502) 645-0978.
What is William P Williamson MD LLC's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is William P Williamson MD LLC enrolled in Medicare?
Yes. William P Williamson MD LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through William P Williamson MD LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Physical Medicine and Rehabilitation) reassigns their Medicare billing to William P Williamson MD LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does William P Williamson MD LLC accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list William P Williamson MD LLC 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 William P Williamson MD LLC was last updated on May 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.