DR. ISABELLE JANE DECKER MD
NPI 1689511636
Pediatrics in Austin, TX

Active since April 29, 2026PECOS Enrolled
4900 MUELLER BLVD, AUSTIN, TX 78723(512) 324-0000 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Isabelle Jane Decker Md NPPES

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

DR. ISABELLE JANE DECKER MD (NPI 1689511636) is an individual pediatrics provider in Austin, Texas, licensed in Texas (BP10097944) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689511636
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. ISABELLE JANE DECKERCredential: MD
Location Address4900 MUELLER BLVDAustin, TX 78723-3051
Mailing Address1501 Red River St Fl 2Austin, TX 78712-1845 · (512) 495-5555
Sole ProprietorNo
Enumeration DateApril 29, 2026
NPPES CertifiedApril 29, 2026
NPI 1689511636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in TX · BP10097944
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.
4900 MUELLER BLVD, Austin, TX 78723

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Isabelle Jane Decker 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78723 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
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
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.

Nurse Practitioner (Pediatrics)
4900 MUELLER BLVD
AUSTIN, TX 78723
Pediatrics (Pediatric Cardiology)
4900 MUELLER BLVD
AUSTIN, TX 78723
Nurse Practitioner (Pediatrics)
4900 MUELLER BLVD
AUSTIN, TX 78723
Respiratory Therapist, Registered (Neonatal/Pediatrics)
4900 MUELLER BLVD
AUSTIN, TX 78723
Student in an Organized Health Care Education/Training Program
4900 MUELLER BLVD
AUSTIN, TX 78723
Pediatrics
4900 MUELLER BLVD, SUITE 3S.066C
AUSTIN, TX 78723
Pediatrics
4900 MUELLER BLVD, SUITE 3S.066C
AUSTIN, TX 78723
Pediatrics
4900 MUELLER BLVD, SUITE 3S.066C
AUSTIN, TX 78723

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 Isabelle Decker's NPI number?

The NPI number for Isabelle Decker is 1689511636. It was assigned to this individual provider in the NPPES registry on April 29, 2026.

Where is Isabelle Decker located?

Isabelle Decker practices at 4900 Mueller Blvd, Austin, TX 78723. The listed phone number is (512) 324-0000.

What is Isabelle Decker's specialty?

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

Is Isabelle Decker enrolled in Medicare?

Yes. Isabelle Decker is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Isabelle Decker was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.