Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALLERGY, ASTHMA AND IMMUNOLOGY SPECIALISTS OF SAN ANTONIO
NPI 1073177440
Allergy & Immunology in San Antonio, TX

Q: What is Allergy, Asthma And Immunology Specialists Of San Antonio's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Active since April 30, 2019

23119 IH 10 W BLDG 22, SAN ANTONIO, TX 78257(210) 899-6856(210) 750-3056 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 20, 2025, Jun 15, 2020, Jul 9, 2019 and 1 more (4 updates tracked since 2019).

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About Allergy, Asthma And Immunology Specialists Of San Antonio NPPES

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

ALLERGY, ASTHMA AND IMMUNOLOGY SPECIALISTS OF SAN ANTONIO (NPI 1073177440), doing business as Allergy And Asthma Texas Health, is a healthcare organization registered as an allergy & immunology in San Antonio, Texas and active in the NPI registry since April 2019. The organization maintains a secondary practice location in San Antonio and lists Araceli Elizalde, Owner, as its authorized official.

NPPES Registry Identity

NPI1073177440

Entity TypeOrganization

Primary Taxonomy207K00000X

Legal Business NameALLERGY, ASTHMA AND IMMUNOLOGY SPECIALISTS OF SAN ANTONIO

Location Address23119 IH 10 W BLDG 22San Antonio, TX 78257-1764

Mailing Address23119 Ih 10 W Bldg 22San Antonio, TX 78257-1764 · (210) 899-6856 · Fax (210) 750-3056

Phone(210) 899-6856

Fax(210) 750-3056

Organization SubpartNo

Authorized OfficialAraceli ElizaldeOwner · (210) 899-6856

Enumeration DateApril 30, 2019

Last NPPES UpdateOctober 20, 20264 updates tracked since enumeration

NPPES CertifiedOctober 20, 2026

✔ NPI 1073177440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

23119 IH 10 W BLDG 22, San Antonio, TX 78257

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Other Names 1

Doing Business AsAllergy And Asthma Texas Health

Secondary Practice Location 1

Location 121727 Ih 10 W Ste 104San Antonio, TX 78257-2108 · Phone (210) 899-6856 · Fax (210) 750-3056

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allergy, Asthma And Immunology Specialists Of San Antonio is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Allergy, Asthma And Immunology Specialists Of San Antonio, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Araceli Elizalde, MD

Allergy/Immunology

NPI 1811174873

23119 IH 10 W BLDG 22
San Antonio, TX 78257

(210) 899-6856

✔ PECOSSame address

Lisa Mcdonald, DNP, APRN, CPNP

Nurse Practitioner

NPI 1447331277

2127 IH 10W SUITE 104
San Antonio, TX 78257

(210) 899-6856

✔ PECOS2.6 mi

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

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 Allergy, Asthma And Immunology Specialists Of San Antonio's NPI number?

The NPI number for Allergy, Asthma And Immunology Specialists Of San Antonio is 1073177440. It was assigned to this organization in the NPPES registry on April 30, 2019. The provider is doing business as Allergy and Asthma Texas Health.

Where is Allergy, Asthma And Immunology Specialists Of San Antonio located?

Allergy, Asthma And Immunology Specialists Of San Antonio is located at 23119 Ih 10 W Bldg 22, San Antonio, TX 78257. The listed phone number is (210) 899-6856.

What is Allergy, Asthma And Immunology Specialists Of San Antonio's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Allergy, Asthma And Immunology Specialists Of San Antonio enrolled in Medicare?

Yes. Allergy, Asthma And Immunology Specialists Of San Antonio is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allergy, Asthma And Immunology Specialists Of San Antonio?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Allergy, Asthma And Immunology Specialists Of San Antonio, in Allergy/Immunology and Nurse Practitioner. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Allergy, Asthma And Immunology Specialists Of San Antonio accept?

Health plans from Blue Cross and Blue Shield of Texas and WellPoint list Allergy, Asthma And Immunology Specialists Of San Antonio 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 Allergy, Asthma And Immunology Specialists Of San Antonio was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.