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WILLIAM EISNER
NPI 1427019199
Physical Therapist - Electrophysiology, Clinical in Louisville, KY

Active since March 31, 2006Accepts Medicare Assignment
4420 DIXIE HWY, SUITE 122, LOUISVILLE, KY 40216(502) 802-8060(502) 449-9062 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 17, 2026, Nov 24, 2025 (2 updates tracked since 2025).

About William Eisner NPPES

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

WILLIAM EISNER (NPI 1427019199) is an individual electrophysiology, clinical provider in Louisville, Kentucky, licensed in Kentucky (003233) and active in the NPI registry since March 2006. He is affiliated with Good Samaritan Regional Hlth Center and is a graduate of University Of Kentucky College Of Medicine (1997).

NPPES Registry Identity

NPI1427019199
Entity TypeIndividualMale
Primary Taxonomy2251E1300X
Provider Legal NameWILLIAM EISNER
Location Address4420 DIXIE HWY, SUITE 122Louisville, KY 40216-2986
Mailing Address4420 Dixie Hwy, Suite 122Louisville, KY 40216-2986 · (502) 802-8060 · Fax (502) 449-9062
Phone(502) 802-8060
Fax(502) 449-9062
Sole ProprietorNo
Medical School CMSUniversity Of Kentucky College Of MedicineGraduated 1997
Enumeration DateMarch 31, 2006
Last NPPES UpdateMarch 17, 20262 updates tracked since enumeration
NPPES CertifiedMarch 17, 2026
✔ NPI 1427019199 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysical Therapist · Electrophysiology, ClinicalRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code2251E1300X
Licenses✔ Licensed in KY · 003233✔ Licensed in IL · 070022541✔ Licensed in IN · 05007955A
Definition

A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Clinical Electrophysiologic Physical Therapy, who has demonstrated specialized knowledge and skill in electrophysiologic examinations and evaluations and encompasses both the professional and technical components of the observation, recording, analysis, and interpretation of bioelectric muscle and nerve potentials, detected by means of surface or needle electrodes, for the purpose of evaluating the integrity of the neuromuscular system. Electrophysiologic evaluations include, but are not limited to, electrodiagnostic testing, which includes clinical needle electromyography, motor and sensory nerve conduction studies, and other evoked potential procedures.

Also ListedPhysical TherapistTaxonomy 225100000X · License 070022541 (IL)
4420 DIXIE HWY, Louisville, KY 40216
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William Eisner 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 ID2961455704
PECOS Enrollment IDI20050222000317, I20151117000961, I20250421001355

Areas of Expertise CMS Part B claims 4

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.

Needle measurement of electrical activity in arm or leg muscles, complete study 95886
This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.
249 services151 patients
Nerve conduction, 9-10 studies 95911
Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.
79 services78 patients
Nerve conduction, 7-8 studies 95910
Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps doctors identify nerve damage. In a 7-8 study procedure, 7-8 specific nerves are tested. You may feel a mild, brief tingling or shock during the test.
52 services52 patients
Nerve conduction, 5-6 studies 95909
Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps identify any nerve damage or dysfunction. For 5-6 studies, this means multiple nerves will be tested. Small electrodes are placed on your skin to send and receive signals, causing minimal discomfort.
23 services23 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Good Samaritan Regional Hlth Center

Acute Care Hospitals · Mount Vernon, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140046
Location1 Good Samaritan WayMount Vernon, IL 62864 · Jefferson County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTIAN RAE NORTH
Physical Therapist
4420 DIXIE HWY, SUITE 122
LOUISVILLE, KY 40216
Jefferson County (502) 447-2750
BRENT E. MCENTIRE MD
Internal Medicine
4420 DIXIE HWY, STE. 114
LOUISVILLE, KY 40216
Jefferson County (502) 449-6464
JOSHUA DEAN HEINES MA, ATC
Specialist/Technologist (Athletic Trainer)
4420 DIXIE HWY
LOUISVILLE, KY 40216
Jefferson County (502) 447-2750
NORTON HOSPITALS INC
Clinic/Center (Medical Specialty)
4420 DIXIE HWY, STE 120
LOUISVILLE, KY 40216
Jefferson County (502) 629-8000
BRIAN A DEPREST M.D.
Family Medicine
4420 DIXIE HWY, STE. 114
LOUISVILLE, KY 40216
Jefferson County (502) 449-6464
CRISTA PIZER ATC
Specialist/Technologist (Athletic Trainer)
4420 DIXIE HWY
LOUISVILLE, KY 40216
Jefferson County (502) 447-2750
JORDAN BORMANN
Physical Therapist
4420 DIXIE HWY, SUITE 122
LOUISVILLE, KY 40216
Jefferson County (502) 447-2750
CARITAS REHAB SERVICE LLC
Clinic/Center (Rehabilitation)
4420 DIXIE HWY, SUITE 122
LOUISVILLE, KY 40216
Jefferson County (502) 995-5570

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 Eisner's NPI number?

The NPI number for William Eisner is 1427019199. It was assigned to this individual provider in the NPPES registry on March 31, 2006.

Where is William Eisner located?

William Eisner practices at 4420 Dixie Hwy Suite 122, Louisville, KY 40216. The listed phone number is (502) 802-8060.

What is William Eisner's specialty?

The primary specialty registered for this NPI is Physical Therapist, specializing in Electrophysiology, Clinical, with taxonomy code 2251E1300X.

Is William Eisner enrolled in Medicare?

Yes. William Eisner 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.

What insurance does William Eisner accept?

Health plans from CareSource list William Eisner 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 William Eisner affiliated with any hospitals?

According to CMS data, William Eisner is affiliated with Good Samaritan Regional Hlth Center.

When was this NPI record last updated?

The NPPES record for William Eisner was last updated on March 17, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.