DR. EILEEN MERKLE STEWART M.D.
NPI 1245403146
Pediatrics - Pediatric Cardiology in Austin, TX

Q: What is Eileen Stewart's NPI number?

The NPI number for Eileen Stewart is 1245403146. It was assigned to this individual provider in the NPPES registry on April 11, 2008.

Q: What is Eileen Stewart's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Q: When was this NPI record last updated?

The NPPES record for Eileen Stewart was last updated on October 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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 April 11, 2008PECOS Enrolled

4314 MEDICAL PARKWAY, SUITE 200, AUSTIN, TX 78756(512) 454-1110 Get Directions Write a Review

NPPES record last updated: October 3, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Eileen Merkle Stewart M.d. NPPES

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

DR. EILEEN MERKLE STEWART M.D. (NPI 1245403146) is an individual pediatric cardiology provider in Austin, Texas, licensed in Texas (Q3444) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245403146

Entity TypeIndividualFemale

Primary Taxonomy2080P0202X

Provider Legal NameDR. EILEEN MERKLE STEWARTCredential: M.D.

Location Address4314 MEDICAL PARKWAY, SUITE 200Austin, TX 78756

Mailing Address4314 Medical Parkway, Suite 200Austin, TX 78756 · (512) 454-1110

Phone(512) 454-1110

Sole ProprietorNo

Enumeration DateApril 11, 2008

Last NPPES UpdateOctober 3, 2016

✔ NPI 1245403146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0202X

License✔ Licensed in TX · Q3444

Definition

A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.

Also ListedPediatricsTaxonomy 208000000X · License N/A (NM)

4314 MEDICAL PARKWAY, Austin, TX 78756

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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 (PECOS)

Dr. Eileen Merkle Stewart M.d. 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.

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 Eileen Stewart's NPI number?

The NPI number for Eileen Stewart is 1245403146. It was assigned to this individual provider in the NPPES registry on April 11, 2008.

Where is Eileen Stewart located?

Eileen Stewart practices at 4314 Medical Parkway Suite 200, Austin, TX 78756. The listed phone number is (512) 454-1110.

What is Eileen Stewart's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Eileen Stewart enrolled in Medicare?

Yes. Eileen Stewart is registered in the Medicare PECOS enrollment system.

What insurance does Eileen Stewart accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Eileen Stewart 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 Eileen Stewart was last updated on October 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.