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CAILEE JEAN MUELLER DNP
NPI 1861964215
Nurse Practitioner - Psychiatric/Mental Health in Chester, IL

Active since December 26, 2018PECOS EnrolledAccepts Medicare Assignment
1315 LEHMEN DR, CHESTER, IL 62233(618) 826-4571 Get Directions Write a Review

NPPES record last updated: January 5, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 5, 2025, Dec 26, 2018 (2 updates tracked since 2018).

About Cailee Jean Mueller Dnp NPPES

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

CAILEE JEAN MUELLER DNP (NPI 1861964215) is an individual psychiatric/mental health provider in Chester, Illinois, licensed in Illinois (209.018498) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Springfield, and is a graduate of Rush Medical College Of Rush University (2018).

NPPES Registry Identity

NPI1861964215
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameCAILEE JEAN MUELLERCredential: DNP
Location Address1315 LEHMEN DRChester, IL 62233-2542
Mailing Address1315 Lehmen DrChester, IL 62233-2542 · (618) 826-4571
Phone(618) 826-4571
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2018
Enumeration DateDecember 26, 2018
Last NPPES UpdateJanuary 5, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2025
✔ NPI 1861964215 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 · 209.018498
1315 LEHMEN DR, Chester, IL 62233
Open in Google Maps ↗

Secondary Practice Location 1

Location 13008 Happy Landing DrSpringfield, IL 62711-6259 · Phone (217) 523-4534

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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

Cailee Jean Mueller Dnp 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 ID4789925116
PECOS Enrollment IDI20190411000526
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 Reassignments

2

Medicare enrollment records show Cailee Mueller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Illinois Department Of Human Services
0.1 mi
Psychiatric Hospital
1315 LEHMEN DR
Chester, IL 62233
  • Reassigned Medicare billing, Illinois enrollment
  • 46 clinicians in this Medicare group
NPI 1306834726 (618) 826-4571
Edgewood Clinical Services, P.C.
276 mi
Psychologist
2948 ARTESIAN RD STE 112
Naperville, IL 60564
  • Reassigned Medicare billing, Illinois enrollment
  • 475 clinicians in this Medicare group
NPI 1295914646 (630) 428-7890

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 62233 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 19

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

IL DEPT. OF HUMAN SERVICES
Psychiatric Unit
1315 LEHMEN DR
CHESTER, IL 62233
Randolph County (618) 826-4571
CHESTER MENTAL HEALTH CENTER
Pharmacy (Long Term Care Pharmacy)
1315 LEHMEN DR
CHESTER, IL 62233
Randolph County (618) 826-4571
DR. MARIE-ANGE SAINVILUS MD
Obstetrics & Gynecology
1315 LEHMEN DR
CHESTER, IL 62233
Randolph County (618) 826-4571
IL DEPT. OF HUMAN SERVICES
Psychiatric Unit
1315 LEHMEN DR
CHESTER, IL 62233
Randolph County (618) 826-4571
DR. ALAN ROBERT FELTHOUS MD
Psychiatry & Neurology (Psychiatry)
1315 LEHMEN DR
CHESTER, IL 62233
Randolph County (618) 826-4571
IL DEPT. OF HUMAN SERVICES
Psychiatric Unit
1315 LEHMEN DR
CHESTER, IL 62233
Randolph County (618) 826-4571
IL DEPT. OF HUMAN SERVICES
Psychiatric Unit
1315 LEHMEN DR
CHESTER, IL 62233
Randolph County (618) 826-4571
NAGESWARARAO VALLABHANENI MD PSYCHIATRIST
Psychiatry & Neurology (Psychiatry)
1315 LEHMEN DR
CHESTER, IL 62233
Randolph County (618) 826-4571

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 Cailee Mueller's NPI number?

The NPI number for Cailee Mueller is 1861964215. It was assigned to this individual provider in the NPPES registry on December 26, 2018.

Where is Cailee Mueller located?

Cailee Mueller practices at 1315 Lehmen Dr, Chester, IL 62233. The listed phone number is (618) 826-4571.

What is Cailee Mueller's specialty?

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

Is Cailee Mueller enrolled in Medicare?

Yes. Cailee Mueller 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.

Which organizations bill Medicare for Cailee Mueller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cailee Mueller reassigns Medicare benefits to 2 organizations: Illinois Department Of Human Services (Chester, IL) and Edgewood Clinical Services, P.C. (Naperville, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cailee Mueller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cailee Mueller accept?

Health plans from UnitedHealthcare list Cailee Mueller 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.

When was this NPI record last updated?

The NPPES record for Cailee Mueller was last updated on January 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.