NPPES file of Aug 9, 2026

Robert Casper Johnson

Acute Care Nurse Practitioner · La Grange Highlands, IL

Robert Casper Johnson is an acute care nurse practitioner with a practice address in La Grange Highlands, Illinois, and NPI 1447171921, issued on Jul 22, 2026. Check the license (Illinois 209036176, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447171921
Name
Robert Casper Johnson
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
209036176 IL
Self-reported in NPPES; status is on the state search
Practice location
5201 Willow Springs RD Ste 380, La Grange Highlands, IL 60525
Phone
(708) 354-2550
Enumerated
Jul 22, 2026
Record last updated
Jul 22, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest acute care nurse practitioner records → All 639 in Illinois → Look up another NPI →

Also registered at 5201 Willow Springs RD Ste 380

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Chirag Doshi, M.D.Urology Physician1780078063
  2. Joanna LeeNurse Practitioner1164964342
  3. Emily Royce, APRN, FNP-BCNurse Practitioner1003409491
  4. Jocelin Sisto, PA-CSurgical Physician Assistant1053515262

Verify Robert Casper Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209036176    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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Robert Casper Johnson among 639 acute care nurse practitioner records in Illinois

Robert Casper Johnson is one of 639 acute care nurse practitioner records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than 96% of them.

  • NPI issued2026 · 96% of these records are older, 0% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2026 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 acute care nurse practitioner record lists a practice address in La Grange Highlands

They are 1 of the 85 NPPES records with a practice address in La Grange Highlands, and 639 acute care nurse practitioner records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 639 in Illinois → Every provider in La Grange Highlands → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Hannah CollaoLa Grange, IL 605251154047926
  2. Tiara EscondoLa Grange, IL 605251013717834
  3. Mary Stauber, NPOak Brook, IL 605231558361196
  4. Ronald Volanti, RN, NPBurr Ridge, IL 605271346605110
  5. Tye Borland, APRNHinsdale, IL 605211801699475
  6. Margaret Curtin, APNHinsdale, IL 605211992127617
  7. Jakeyla Reed, NPWoodridge, IL 605171215492491
  8. Leeann Cacovean, MSN, ACNPDowners Grove, IL 605151215294475

Common questions

What is Robert Casper Johnson's NPI number?

Robert Casper Johnson's National Provider Identifier (NPI) is 1447171921, issued on Jul 22, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Robert Casper Johnson located?

The NPPES record lists a practice address at 5201 Willow Springs RD Ste 380, La Grange Highlands, IL, 60525. Phone: (708) 354-2550. Providers update this record themselves, so call before visiting.

How can I verify Robert Casper Johnson's license?

NPPES lists Illinois license number 209036176, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.