MCKENZIE LEIGH NIKONOVICH PMHNP-BC
NPI 1518810852
Nurse Practitioner - Psychiatric/Mental Health in Maryville, IL

Q: What is Mckenzie Nikonovich's NPI number?

The NPI number for Mckenzie Nikonovich is 1518810852. It was assigned to this individual provider in the NPPES registry on February 17, 2026.

Q: What is Mckenzie Nikonovich's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Active since February 17, 2026PECOS EnrolledAccepts Medicare Assignment

6805 STATE ROUTE 162 STE 201, MARYVILLE, IL 62062(618) 288-5019 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Mckenzie Leigh Nikonovich Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MCKENZIE LEIGH NIKONOVICH PMHNP-BC (NPI 1518810852) is an individual psychiatric/mental health provider in Maryville, Illinois, licensed in Illinois (209.034755) and active in the NPI registry since February 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1518810852

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameMCKENZIE LEIGH NIKONOVICHCredential: PMHNP-BC

Location Address6805 STATE ROUTE 162 STE 201Maryville, IL 62062-8530

Mailing Address6805 State Route 162 Ste 201Maryville, IL 62062-8530 · (618) 288-5019

Phone(618) 288-5019

Sole ProprietorNo

Medical School CMSOtherGraduated 2025

Enumeration DateFebruary 17, 2026

NPPES CertifiedFebruary 10, 2026

✔ NPI 1518810852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in IL · 209.034755

6805 STATE ROUTE 162 STE 201, Maryville, IL 62062

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mckenzie Leigh Nikonovich Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072096411

PECOS Enrollment IDI20260313000271

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mckenzie Nikonovich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern Illinois Associates LLC

Same address

Psychiatry

6805 STATE ROUTE 162 STE 201
Maryville, IL 62062

Reassigned Medicare billing, Illinois enrollment
18 clinicians in this Medicare group

NPI 1962427856 (618) 288-5019

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$88.44 typical visit price

range $56.28 – $173.35

Typical copayment $22.11 (range $14.07 – $43.33)

Most-billed visit code 99203

Established Patient

$99.71 typical visit price

range $17.51 – $139.99

Typical copayment $24.92 (range $4.37 – $34.99)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THENA GIDGET POTEAT M.D.

Psychiatry & Neurology (Psychiatry)