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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

ROBERT CASPER JOHNSON
NPI 1447171921
Nurse Practitioner - Acute Care in La Grange Highlands, IL

Active since July 22, 2026
5201 WILLOW SPRINGS RD STE 380, LA GRANGE HIGHLANDS, IL 60525(708) 354-2550 Get Directions Write a Review

NPPES record added: July 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Robert Casper Johnson NPPES

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

ROBERT CASPER JOHNSON (NPI 1447171921) is an individual acute care provider in La Grange Highlands, Illinois, licensed in Illinois (209036176) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1447171921
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameROBERT CASPER JOHNSON
Location Address5201 WILLOW SPRINGS RD STE 380La Grange Highlands, IL 60525-6539
Mailing Address5201 Willow Springs Rd Ste 380La Grange Highlands, IL 60525-6539 · (708) 354-2550
Phone(708) 354-2550
Sole ProprietorYes
Enumeration DateJuly 22, 2026
NPPES CertifiedJuly 22, 2026
✔ NPI 1447171921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in IL · 209036176
5201 WILLOW SPRINGS RD STE 380, La Grange Highlands, IL 60525
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Other Providers at the Same Location NPPES 4

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

JOCELIN SISTO PA-C
Physician Assistant (Surgical)
5201 WILLOW SPRINGS RD STE 380
LA GRANGE HIGHLANDS, IL 60525
Cook County (708) 579-0018
DR. CHIRAG DOSHI M.D.
Urology
5201 WILLOW SPRINGS RD STE 380
LA GRANGE HIGHLANDS, IL 60525
Cook County (708) 354-2550
JOANNA M LEE
Nurse Practitioner
5201 WILLOW SPRINGS RD STE 380
LA GRANGE HIGHLANDS, IL 60525
Cook County (708) 354-2550
EMILY ANN LOUTFY ROYCE APRN, FNP-BC
Nurse Practitioner
5201 WILLOW SPRINGS RD STE 380
LA GRANGE HIGHLANDS, IL 60525
Cook County (708) 354-2550

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 Robert Johnson's NPI number?

The NPI number for Robert Johnson is 1447171921. It was assigned to this individual provider in the NPPES registry on July 22, 2026.

Where is Robert Johnson located?

Robert Johnson practices at 5201 Willow Springs Rd Ste 380, La Grange Highlands, IL 60525. The listed phone number is (708) 354-2550.

What is Robert Johnson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

When was this NPI record last updated?

The NPPES record for Robert Johnson was last updated on July 22, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.