Yvette M Johnson LLC in Markham, IL

This organization bills under NPI 1922547298, an organization record issued on Feb 19, 2017 with the primary taxonomy Psychiatric/Mental Health Nurse Practitioner. Each clinician who works there has their own NPI and license.

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

Organization recordNPPES, Aug 2026

1922547298

Legal name: Yvette M Johnson LLC
Entity: Type 2 · organization
Primary taxonomy: Psychiatric/Mental Health Nurse Practitioner 363LP0808X
Practice location: 1944 W 163RD ST, Markham, IL 60428
Phone: 708-785-7094
Enumerated: Feb 19, 2017
Record updated: Feb 19, 2017
Authorized official: Principal (title as filed)

Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

2 clinicians CMS lists with Yvette M Johnson in Markham

Amanda RzanyPsychiatric/Mental Health Nurse Practitioner1720792716
April Vanmilligan, APRN, PMHNPPsychiatric/Mental Health Nurse Practitioner1568289452

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

Checking an organization

Confirm the business with the Illinois secretary of state.
Check the HHS-OIG exclusion list for the organization.
Verify each clinician on their own record and the state license search.

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

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