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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PAUL J ARENA M.D.
NPI 1558335265
Internal Medicine - Medical Oncology in Louisville, KY

Active since February 17, 2006
100 E LIBERTY ST, SUITE 500, LOUISVILLE, KY 40202(502) 561-8200 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Paul J Arena M.d. NPPES

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

PAUL J ARENA M.D. (NPI 1558335265) is an individual medical oncology provider in Louisville, Kentucky, licensed in Kentucky (15795) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1558335265
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NamePAUL J ARENACredential: M.D.
Location Address100 E LIBERTY ST, SUITE 500Louisville, KY 40202-1434
Mailing Address100 E Liberty St, Suite 500Louisville, KY 40202-1434 · (502) 561-8200
Phone(502) 561-8200
Sole ProprietorNo
Enumeration DateFebruary 17, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1558335265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Licenses✔ Licensed in KY · 15795✔ Licensed in IN · 01039312A
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
100 E LIBERTY ST, Louisville, KY 40202
Open in Google Maps ↗

Other Providers at the Same Location NPPES 16

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

DR. WILL STERRETT FOSTER M.D.
Anesthesiology
100 E LIBERTY ST
LOUISVILLE, KY 40202
Jefferson County (502) 584-0190
POLLY A COOMBS M.D.
Internal Medicine (Hematology & Oncology)
100 E LIBERTY ST, SUITE 500
LOUISVILLE, KY 40202
Jefferson County (502) 561-8200
DAVID E BYBEE M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
100 E LIBERTY ST, SUITE 400
LOUISVILLE, KY 40202
Jefferson County (502) 587-6010
EFILLRX, LLC
Pharmacy (Community/Retail Pharmacy)
100 E LIBERTY ST, SUITE 700
LOUISVILLE, KY 40202
Jefferson County (502) 568-8830
DR. JAMES M. THOMPSON MD
Psychiatry & Neurology (Clinical Neurophysiology)
100 E LIBERTY ST, SUITE 800
LOUISVILLE, KY 40202
Jefferson County (606) 330-7818
KENTUCKIANA CENTER FOR BETTER BONE & JOINT HEALTH PLLC
Pharmacy (Specialty Pharmacy)
100 E LIBERTY ST, SUITE 202
LOUISVILLE, KY 40202
Jefferson County (502) 583-5836
MASON FOUNDATION LLC
Driver
100 E LIBERTY ST
LOUISVILLE, KY 40202
Jefferson County (502) 629-2500
STEVEN H. STERN MD
Internal Medicine (Rheumatology)
100 E LIBERTY ST, 7TH FLOOR
LOUISVILLE, KY 40202
Jefferson County (502) 583-5836

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 Paul Arena's NPI number?

The NPI number for Paul Arena is 1558335265. It was assigned to this individual provider in the NPPES registry on February 17, 2006.

Where is Paul Arena located?

Paul Arena practices at 100 E Liberty St Suite 500, Louisville, KY 40202. The listed phone number is (502) 561-8200.

What is Paul Arena's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Paul Arena was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.