NPPES file of Aug 9, 2026

Leah Johnston

Registered Dietitian · Chicago, IL

Leah Johnston is a registered dietitian with a practice address in Chicago, Illinois, and NPI 1356836324, issued on Jun 22, 2018. Check the license (Illinois 164-007427, 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
1356836324
Name
Leah Johnston
Primary taxonomy
Registered Dietitian 133V00000X
License number
164-007427 IL
Self-reported in NPPES; status is on the state search
Practice location
2923 N California Ave Ste 301, Chicago, IL 60618
Phone
(773) 327-5639
Enumerated
Jun 22, 2018
Record last updated
Jun 22, 2018 (not updated in 8 years: call before relying on the address or phone)
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 registered dietitian records → All 2,870 in Illinois → Look up another NPI →

Also registered at 2923 N California Ave Ste 301

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

  1. Catherine BowesPhysical Therapist1659244937
  2. Patricia Butler, PTAPhysical Therapy Assistant1598098923
  3. Brittany FarmerPhysical Therapist1831643295
  4. Zakary HernerPhysical Therapist1477432235
  5. Jenny Joseph, PTPhysical Therapist1831706399
  6. Sara Macknin, OTOccupational Therapist1053653006

Verify Leah Johnston 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 164-007427    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Leah Johnston among 2,870 registered dietitian records in Illinois

Leah Johnston is one of 2,870 registered dietitian records with a practice address in Illinois. 8% 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 2018, is newer than 51% of them.

  • NPI issued2018 · 51% of these records are older, 44% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2018 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

935 registered dietitian records list a practice address in Chicago

They are 935 of the 63,379 NPPES records with a practice address in Chicago, and 2,870 registered dietitian records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,870 in Illinois → Every provider in Chicago → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Kaitlyn Beltrame, RDN, LDNChicago, IL 606181467191981
  2. Elizabeth Camacho, RD, LDNChicago, IL 606181184295735
  3. Courtney ChramowiczChicago, IL 606181265136840
  4. Ruby Erdmann, RD, LDNChicago, IL 606181528540986
  5. Richard Logan, RDChicago, IL 606181063189132
  6. Andrea O'Donnell, RD, LDNChicago, IL 606181740710060
  7. Marisa Persky, MPH,RD,LDNChicago, IL 606181902038946
  8. Jannette Rho, RDChicago, IL 606181114535143

Common questions

What is Leah Johnston's NPI number?

Leah Johnston's National Provider Identifier (NPI) is 1356836324, issued on Jun 22, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Leah Johnston located?

The NPPES record lists a practice address at 2923 N California Ave Ste 301, Chicago, IL, 60618. Phone: (773) 327-5639. Providers update this record themselves, so call before visiting.

How can I verify Leah Johnston's license?

NPPES lists Illinois license number 164-007427, 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.