NPI age
5 years
Enumerated 2021-04-29
● Active Type 2 · Organization
Apex Allergy And Asthma Pllc
Apex Allergy And Asthma Pllc is 1 of 506 allergy & immunology organizations in Texas.
Primary specialty
Allergy & Immunology
Practice locations
2
1 secondary on file
Status
Active
No deactivations on record
Authorized official
Stahl
President
Last NPPES update
2021-04-29
Source: monthly bulk 2026-05
How this organization compares
Across 506 active allergy & immunology providers in Texas.
NPI age
5 years
↓ 14 yr below median
Practice locations
2
1 secondary on file
Subspecialties
0
NPI lifetime · 2021 → 2026
2021-04Enumerated in NPPES
2021
2026
Where they practice
Primary practice location
14615 San Pedro Ave Ste 250
San Antonio, TX 782324316
Mailing address
14615 San Pedro Ave Ste 250
San Antonio, TX 782324316
Additional practice locations
1 secondary location on file with NPPES.
Location 2
5718 University Hts Ste 202
San Antonio, TX 782491131
Authorized official
Mark C Stahl, DO
President
📞 2104902051
Individual providers at this organization
2 individual providers on file at this primary practice address.
- David Hrncir, M.D. Allergy & Immunology NPI 1023080124
- Mark Stahl, D.O. Allergy & Immunology NPI 1912932476
Specialties
-
Allergy & Immunology PrimaryAn 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...
Practice context
Multi-provider organization. 2 individual providers on file at this primary address. Plus 1 secondary practice location.
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Request a quote →How to verify this organization
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.