JO A MULLER APRN
NPI 1689126799
Nurse Practitioner - Psychiatric/Mental Health in Naperville, IL

Q: What is Jo Muller's NPI number?

The NPI number for Jo Muller is 1689126799. It was assigned to this individual provider in the NPPES registry on October 25, 2016.

Q: What is Jo Muller'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 Jo Muller was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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, 2016PECOS Enrolled

4055 S ROUTE 59 FL 1, NAPERVILLE, IL 60564(630) 568-9218 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 7, 2026, Dec 8, 2025, Jun 15, 2025 and 3 more (6 updates tracked since 2016).

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About Jo A Muller Aprn NPPES

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

JO A MULLER APRN (NPI 1689126799) is an individual psychiatric/mental health provider in Naperville, Illinois, licensed in Illinois (277003678) and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1689126799

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameJO A MULLERCredential: APRN

Location Address4055 S ROUTE 59 FL 1Naperville, IL 60564-5803

Mailing Address4055 S Route 59 Fl 1Naperville, IL 60564-5803 · (630) 568-9218 · Fax (309) 326-4508

Phone(630) 568-9218

Sole ProprietorYes

Medical School CMSOtherGraduated 2023

Enumeration DateOctober 25, 2016

Last NPPES UpdateMay 7, 20266 updates tracked since enumeration

NPPES CertifiedMay 7, 2026

✔ NPI 1689126799 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

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

Taxonomy Code363LP0808X

License✔ Licensed in IL · 277003678

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 277003678 (IL)

4055 S ROUTE 59 FL 1, Naperville, IL 60564

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, 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 (PECOS)

Jo A Muller Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5193004562

PECOS Enrollment IDI20260405000055

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

Medicare enrollment records show Jo Muller reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Arrowleaf

315 mi

Mental Health (Including Community Mental Health Center)

125 NORTH MARKET STREET
Golconda, IL 62938

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

NPI 1538114608 (618) 683-2461

Mental Health Specialty Group PA

637 mi

Mental Health

110 N CORCORAN ST FL 5
Durham, NC 27701

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

NPI 1801472634 (323) 205-7088

Grow Healthcare Group PA

1,189 mi

Mental Health

66 W FLAGLER ST STE 900
Miami, FL 33130

Reassigned Medicare billing, Connecticut, Idaho, Illinois, Minnesota and Vermont enrollments
613 clinicians in this Medicare group

NPI 1245845932 (786) 244-7711

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 60564 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.

Other Providers at the Same Location NPPES

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

KATHRYN LEE MILLER PHD

Psychologist (Clinical)

4055 S ROUTE 59 FL 1
NAPERVILLE, IL 60564

Will County (872) 246-0651

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 Jo Muller's NPI number?

The NPI number for Jo Muller is 1689126799. It was assigned to this individual provider in the NPPES registry on October 25, 2016.

Where is Jo Muller located?

Jo Muller practices at 4055 S Route 59 Fl 1, Naperville, IL 60564. The listed phone number is (630) 568-9218.

What is Jo Muller's specialty?

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

Is Jo Muller enrolled in Medicare?

Yes. Jo Muller is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jo Muller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jo Muller reassigns Medicare benefits to 3 organizations: Arrowleaf (Golconda, IL), Mental Health Specialty Group PA (Durham, NC) and Grow Healthcare Group PA (Miami, FL). 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 Jo Muller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jo Muller accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Health and UnitedHealthcare list Jo Muller 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 Jo Muller was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.