1. Home
  2. Directory
  3. Illinois
  4. Naperville
  5. Radiology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JOHN V. COURTNEY M.D.
NPI 1194701144
Radiology - Diagnostic Radiology in Naperville, IL

Active since December 21, 2005
1730 PARK ST, SUITE 101, NAPERVILLE, IL 60563(630) 718-0200(630) 718-0900 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2026, Sep 6, 2023 (2 updates tracked since 2023).

About Dr. John V. Courtney M.d. NPPES

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

DR. JOHN V. COURTNEY M.D. (NPI 1194701144) is an individual diagnostic radiology provider in Naperville, Illinois and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1194701144
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. JOHN V. COURTNEYCredential: M.D.
Location Address1730 PARK ST, SUITE 101Naperville, IL 60563-2688
Mailing Address1730 Park St, Suite 101Naperville, IL 60563-2688 · (630) 718-0200 · Fax (630) 718-0900
Phone(630) 718-0200
Fax(630) 718-0900
Sole ProprietorNo
Enumeration DateDecember 21, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1194701144 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

1730 PARK ST, Naperville, IL 60563
Open in Google Maps ↗

Other Providers at the Same Location NPPES 5

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

DR. ROBERT LIEBMAN M.D.
Radiology (Diagnostic Radiology)
1730 PARK ST, SUITE 101
NAPERVILLE, IL 60563
Dupage County (630) 718-0200
DR. BENJAMIN D. KRUMSTOK M.D.
Radiology (Diagnostic Radiology)
1730 PARK ST, SUITE 101
NAPERVILLE, IL 60563
Dupage County (630) 718-0200
RADIOLOGY CONSULTANTS, LLC
Radiology (Diagnostic Radiology)
1730 PARK ST, SUITE 101
NAPERVILLE, IL 60563
Dupage County (630) 718-0200
DR. JUANITO T. BALADAD M.D.
Radiology (Diagnostic Radiology)
1730 PARK ST, SUITE 101
NAPERVILLE, IL 60563
Dupage County (630) 718-0200
RADIOLOGY CONSULTANTS, LTD.
Radiology (Diagnostic Radiology)
1730 PARK ST, SUITE 101
NAPERVILLE, IL 60563
Dupage County (630) 718-0200

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 John Courtney's NPI number?

The NPI number for John Courtney is 1194701144. It was assigned to this individual provider in the NPPES registry on December 21, 2005.

Where is John Courtney located?

John Courtney practices at 1730 Park St Suite 101, Naperville, IL 60563. The listed phone number is (630) 718-0200.

What is John Courtney's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for John Courtney was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.