Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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McKenzie Leigh Nikonovich, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1518810852

McKenzie Leigh Nikonovich, PMHNP-BC is a Nurse Practitioner in Maryville, Illinois. Qualified in 2025, 1 year ago. Practices with Southern Illinois Associates LLC, a 16-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
1
Licensed in
IL
In the registry since
2026
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

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Practice location Address checks out

6805 State Route 162 Ste 201
Maryville, IL 62062-8530
Phone: (618) 288-5019
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 209.034755 (IL)

Record details

NPI number1518810852
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC
Sole proprietorNo
NPI enumeratedFebruary 17, 2026
Last updated in NPPESFebruary 17, 2026
Certification dateFebruary 10, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Southern Illinois Associates Llc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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