DR. JANET G MUELLER MD
NPI 1083601819
Pediatrics in Chesterfield, MO

Q: What is Janet Mueller's NPI number?

The NPI number for Janet Mueller is 1083601819. It was assigned to this individual provider in the NPPES registry on October 6, 2005.

Q: What is Janet Mueller's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Janet Mueller was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 06, 2005PECOS Enrolled

13001 N OUTER 40 RD, STE 340, CHESTERFIELD, MO 63017(314) 454-6444(314) 454-6445 Get Directions Write a Review

NPPES record last updated: April 18, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 9, 2024, Nov 29, 2021, Jun 13, 2019 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Janet G Mueller Md NPPES

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

DR. JANET G MUELLER MD (NPI 1083601819) is an individual pediatrics provider in Chesterfield, Missouri, licensed in Missouri (101466) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083601819

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. JANET G MUELLERCredential: MD

Location Address13001 N OUTER 40 RD, STE 340Chesterfield, MO 63017-5941

Mailing AddressPo Box 7412121Chicago, IL 60674-2121 · (314) 454-6444 · Fax (314) 454-6445

Phone(314) 454-6444

Fax(314) 454-6445

Sole ProprietorNo

Enumeration DateOctober 6, 2005

Last NPPES UpdateApril 18, 20254 updates tracked since enumeration

✔ NPI 1083601819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MO · 101466

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

13001 N OUTER 40 RD, Chesterfield, MO 63017

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Other Identifiers 1

Medicaid200038025MO

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 (PECOS)

Dr. Janet G Mueller Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Janet Mueller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wuca-Kids Docs, LLC

Same address

Multi-Specialty

13001 N OUTER 40 RD, SUITE 340
Chesterfield, MO 63017

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

NPI 1750741526 (314) 454-6444

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 63017 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

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$98.37 typical visit price

range $17.76 – $137.92

Typical copayment $24.59 (range $4.44 – $34.48)

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 20

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

DR. REBECCA K BULLIVANT MD

Pediatrics

13001 N OUTER 40 RD, STE 340
CHESTERFIELD, MO 63017

St. Louis County (314) 454-6444

DR. LAURA LEIGH MEYERS MD

Orthopaedic Surgery (Pediatric Orthopaedic Surgery)

13001 N OUTER 40 RD, DEPT ORTHOPAEDIC SURGERY, STE 1C
CHESTERFIELD, MO 63017

St. Louis County (314) 514-3500

MS. EMILY MICHELLE RHODES PNP

Nurse Practitioner (Pediatrics)

13001 N OUTER 40 RD, DIV NEUROLOGY PEDIATRICS, STE 1A
CHESTERFIELD, MO 63017

St. Louis County (314) 454-6120

DR. KRISTINE G WILLIAMS MD

Pediatrics

13001 N OUTER 40 RD, STE 310
CHESTERFIELD, MO 63017

St. Louis County (314) 454-6400

MS. ANNE ELIZABETH WEISSLER PA

Physician Assistant

13001 N OUTER 40 RD, DIV IM DERMATOLOGY, STE 2D
CHESTERFIELD, MO 63017

St. Louis County (314) 273-3376

MS. MERIELLE NICOLE BIRD FNP

Nurse Practitioner (Family)

13001 N OUTER 40 RD, DIV NEUROLOGY PEDIATRICS, STE 1A
CHESTERFIELD, MO 63017

St. Louis County (314) 454-6120

WASHINGTON UNIVERSITY

Durable Medical Equipment & Medical Supplies

13001 N OUTER 40 RD
TOWN AND COUNTRY, MO 63017

St. Louis County (314) 454-3013

MRS. MARY G EPPERSON PNP

Nurse Practitioner (Pediatrics)

13001 N OUTER 40 RD, DIV NEUROLOGY PEDIATRICS, STE 1A
CHESTERFIELD, MO 63017

St. Louis County (314) 454-6120

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 Janet Mueller's NPI number?

The NPI number for Janet Mueller is 1083601819. It was assigned to this individual provider in the NPPES registry on October 6, 2005.

Where is Janet Mueller located?

Janet Mueller practices at 13001 N Outer 40 Rd Ste 340, Chesterfield, MO 63017. The listed phone number is (314) 454-6444.

What is Janet Mueller's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Janet Mueller enrolled in Medicare?

Yes. Janet Mueller is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Janet Mueller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Janet Mueller reassigns Medicare benefits to Wuca-Kids Docs, LLC (Chesterfield, MO). The 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 Janet Mueller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Janet Mueller accept?

Health plans from UnitedHealthcare list Janet 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 Janet Mueller was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.