Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Leah Johnston

Registered Dietitian in Chicago, IL · enumerated 2018.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356836324

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Registry record

Entity type Individual (Type 1)

Name Leah Johnston

Sex Female

Practice address 2923 N California Ave Ste 301, Chicago, IL, 60618

Phone (773) 327-5639

Enumeration date Jun 22, 2018

Last updated in NPPES Jun 22, 2018

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 164-007427 (IL) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Leah Johnston?

The National Provider Identifier (NPI) for Leah Johnston is 1356836324, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leah Johnston practice?

The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Patricia Butler Physical Therapy Assistant · Chicago, IL NPI 1598098923 Sara Macknin Occupational Therapist · Chicago, IL NPI 1053653006 Brittany Farmer Physical Therapist · Chicago, IL NPI 1831643295 Laura Mayer Nutritionist · Chicago, IL NPI 1588159354 Jenny Joseph Physical Therapist · Chicago, IL NPI 1831706399 Secil Mcelwain Physical Therapy Assistant · Chicago, IL NPI 1003696402 Joseph Sewall Physical Therapist · Chicago, IL NPI 1811788458 Zakary Herner Physical Therapist · Chicago, IL NPI 1477432235

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-06-22.