LEE-ANNE J MILLAS APN, FNP-C
NPI 1558766139
Nurse Practitioner - Psychiatric/Mental Health in Oak Brook, IL

Q: What is Lee-anne Millas's NPI number?

The NPI number for Lee-anne Millas is 1558766139. It was assigned to this individual provider in the NPPES registry on October 25, 2014. The provider is also known as Lee-Anne J Simon.

Q: What is Lee-anne Millas's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Lee-anne Millas was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 25, 2014PECOS EnrolledAccepts Medicare Assignment

2311 W 22ND ST STE 300, OAK BROOK, IL 60523(773) 413-3893 Get Directions Write a Review

NPPES record last updated: February 20, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Apr 19, 2022, May 21, 2021 (2 updates tracked since 2021).

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About Lee-anne J Millas Apn, Fnp-c NPPES

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

LEE-ANNE J MILLAS APN, FNP-C (NPI 1558766139) is an individual psychiatric/mental health provider in Oak Brook, Illinois, licensed in Illinois (27704719) and active in the NPI registry since October 2014. She is enrolled in Medicare PECOS, is affiliated with Ringgold County Hospital, and maintains a secondary practice location in Brentwood.

NPPES Registry Identity

NPI1558766139

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameLEE-ANNE J MILLASCredential: APN, FNP-C

Location Address2311 W 22ND ST STE 300Oak Brook, IL 60523-4103

Mailing Address14449 Keeler AveMidlothian, IL 60445-2722 · (708) 238-5417

Phone(773) 413-3893

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateOctober 25, 2014

Last NPPES UpdateFebruary 20, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 20, 2026

✔ NPI 1558766139 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

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

Taxonomy Code363LP0808X

License✔ Licensed in IL · 27704719

Also ListedRegistered NurseTaxonomy 163W00000X · License 041371891 (IL)

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 277004719 (IL)

2311 W 22ND ST STE 300, Oak Brook, IL 60523

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Other Names 1

Former Name (1)Lee-anne J Simon

Secondary Practice Location 1

Location 18 Cadillac Dr Ste 230Brentwood, TN 37027-5392 · Phone (615) 647-0750

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CareSource, Molina Healthcare and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lee-anne J Millas Apn, Fnp-c 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 ID7618290016

PECOS Enrollment IDI20141215002410, I20260331002411

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.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

143 services65 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

112 services53 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

49 services34 patients

Nursing facility discharge management, more than 30 minutes 99316

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

43 services40 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

26 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ringgold County Hospital

Critical Access Hospitals · Mount Ayr, IA

OwnershipGovernment - Local

CMS Certification Number161373

Location504 North Cleveland StreetMount Ayr, IA 50854 · Ringgold County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60523 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

1 supplier20 claims20 services$17.37 avg. paid by Medicare

Standard hemi (low seat) wheelchair K0002

DME-Wheelchairs · category DD000N

1 supplier14 claims14 services$37.98 avg. paid by Medicare

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

2 suppliers22 claims22 services$26.82 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

1 supplier26 claims26 services$8.18 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lee-anne Millas's NPI number?

The NPI number for Lee-anne Millas is 1558766139. It was assigned to this individual provider in the NPPES registry on October 25, 2014. The provider is also known as Lee-Anne J Simon.

Where is Lee-anne Millas located?

Lee-anne Millas practices at 2311 W 22nd St Ste 300, Oak Brook, IL 60523. The listed phone number is (773) 413-3893.

What is Lee-anne Millas's specialty?

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

Is Lee-anne Millas enrolled in Medicare?

Yes. Lee-anne Millas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Lee-anne Millas accept?

Health plans from Blue Cross and Blue Shield of Texas, CareSource, Molina Healthcare and UnitedHealthcare list Lee-anne Millas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Lee-anne Millas affiliated with any hospitals?

According to CMS data, Lee-anne Millas is affiliated with Ringgold County Hospital.

When was this NPI record last updated?

The NPPES record for Lee-anne Millas was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.