ROBERT JAMES STEWART MD
NPI 1528323797
Pediatrics - Pediatric Emergency Medicine in San Antonio, TX

Active since July 12, 2012PECOS EnrolledAccepts Medicare Assignment
333 N SANTA ROSA, SAN ANTONIO, TX 78207(210) 704-3030 Get Directions Write a Review

NPPES record last updated: March 19, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Robert James Stewart Md NPPES

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

ROBERT JAMES STEWART MD (NPI 1528323797) is an individual pediatric emergency medicine provider in San Antonio, Texas, licensed in Texas (S2175) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Texas Tech University Health Science Center School Of Medicine (2012).

NPPES Registry Identity

NPI1528323797
Entity TypeIndividualMale
Primary Taxonomy2080P0204X
Provider Legal NameROBERT JAMES STEWARTCredential: MD
Location Address333 N SANTA ROSASan Antonio, TX 78207-3108
Mailing Address12102 Arroyo SpgSan Antonio, TX 78253-4003 · (225) 250-9317
Sole ProprietorNo
Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 2012
Enumeration DateJuly 12, 2012
Last NPPES UpdateMarch 19, 2024
NPPES CertifiedMarch 19, 2024
✔ NPI 1528323797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in TX · S2175
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
Also ListedEmergency MedicineTaxonomy 207P00000X · License S2175 (TX)
Also ListedEmergency Medicine · Pediatric Emergency MedicineTaxonomy 207PP0204X · License 55016 (TN)
Also ListedPediatricsTaxonomy 208000000X · License 64474-20 (WI), MD.207568 (LA)
333 N SANTA ROSA, San Antonio, TX 78207

Secondary Practice Locations 2

Location 1University Of Tennessee, 920 Madison Avenue Suite 447Memphis, TN 38163-0001 · Phone (901) 287-5265
Location 27700 Floyd Curl DrSan Antonio, TX 78229 · Phone (210) 575-7000

Accepted 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

Robert James Stewart Md 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 ID5395056329
PECOS Enrollment IDI20190816002622
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

3

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

Pediatrics
333 N SANTA ROSA
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 453 clinicians in this Medicare group
Emergency Medicine
2827 BABCOCK RD
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 149 clinicians in this Medicare group
Emergency Medicine
1110 N SARAH DEWITT DR
Gonzales, TX 78629
  • Reassigned Medicare billing, Texas enrollment
  • 430 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Pediatrics (Pediatric Hematology-Oncology)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Pediatrics (Pediatric Emergency Medicine)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Nurse Practitioner (Pediatrics, Critical Care)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Pediatrics
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Student in an Organized Health Care Education/Training Program
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Pediatrics
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Obstetrics & Gynecology (Maternal & Fetal Medicine)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Clinical Neuropsychologist
333 N SANTA ROSA
SAN ANTONIO, TX 78207

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 Robert Stewart's NPI number?

The NPI number for Robert Stewart is 1528323797. It was assigned to this individual provider in the NPPES registry on July 12, 2012.

Where is Robert Stewart located?

Robert Stewart practices at 333 N Santa Rosa, San Antonio, TX 78207. The listed phone number is (210) 704-3030.

What is Robert Stewart's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Robert Stewart enrolled in Medicare?

Yes. Robert Stewart 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 Robert Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Stewart reassigns Medicare benefits to 3 organizations: Baylor College Of Medicine (San Antonio, TX), Bexar Emergency Physicians, PLLC (San Antonio, TX) and Victoria Emergency Partners LLC (Gonzales, TX). 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 Robert Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Stewart accept?

Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit and 1 other insurer list Robert 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 Robert Stewart was last updated on March 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.