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

JUAN SEBASTIAN ARIZA MD
NPI 1285211789
Allergy & Immunology in San Antonio, TX

Q: What is Juan Ariza's NPI number?

The NPI number for Juan Ariza is 1285211789. It was assigned to this individual provider in the NPPES registry on March 29, 2021.

Q: What is Juan Ariza's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Juan Ariza was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since March 29, 2021PECOS Enrolled

1100 WILFORD HALL LOOP, SAN ANTONIO, TX 78236(210) 292-4277 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 28, 2026, Jul 8, 2024, Aug 18, 2023 and 1 more (4 updates tracked since 2021).

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About Juan Sebastian Ariza Md NPPES

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

JUAN SEBASTIAN ARIZA MD (NPI 1285211789) is an individual allergy & immunology provider in San Antonio, Texas, licensed in Virginia (0101276108) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in Fort Sam Houston.

NPPES Registry Identity

NPI1285211789

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameJUAN SEBASTIAN ARIZACredential: MD

Location Address1100 WILFORD HALL LOOPSan Antonio, TX 78236-5638

Mailing Address1100 Wilford Hall LoopSan Antonio, TX 78236-5638 · (786) 623-1071

Phone(210) 292-4277

Sole ProprietorNo

Enumeration DateMarch 29, 2021

Last NPPES UpdateJuly 28, 20264 updates tracked since enumeration

NPPES CertifiedJuly 28, 2026

✔ NPI 1285211789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in VA · 0101276108

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 0101276108 (VA)

1100 WILFORD HALL LOOP, San Antonio, TX 78236

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Secondary Practice Location 1

Location 13551 Roger Brooke DrFort Sam Houston, TX 78234-4504 · Phone (210) 916-7500

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Juan Sebastian Ariza 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.

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. HENRY ANDREW FOERSTER DMD

Dentist (Periodontics)

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 292-6990

HEIDI DEARBORN DO

Dermatology

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 292-5350

PARAMJIT BHULLAR MD

Ophthalmology (Cornea and External Diseases Specialist)

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 916-9900

SARAH MCDONALD MD

Pediatrics

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 292-4277

DANIEL ALLAN WEIDNER DO

Emergency Medicine

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 292-3403

THOMAS BERNARD HOLLAND PSY. D

Psychologist (Clinical)

1100 WILFORD HALL LOOP
SAN ANTONIO, TX 78236

Bexar County (304) 702-5431

MICHELL ALEXANDRE LLERENA

Psychiatry & Neurology (Psychiatry)

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 997-2060

MS. KIMBERLY K MORGAN APN

Nurse Practitioner (Family)

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 925-8318

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 Juan Ariza's NPI number?

The NPI number for Juan Ariza is 1285211789. It was assigned to this individual provider in the NPPES registry on March 29, 2021.

Where is Juan Ariza located?

Juan Ariza practices at 1100 Wilford Hall Loop, San Antonio, TX 78236. The listed phone number is (210) 292-4277.

What is Juan Ariza's specialty?

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

Is Juan Ariza enrolled in Medicare?

Yes. Juan Ariza is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Juan Ariza was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.