Apex Allergy and Asthma PLLC
NPI 1770166548 · Allergy & Immunology Physician · San Antonio, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Apex Allergy and Asthma PLLC is a Allergy & Immunology Physician organization in San Antonio, TX (NPI 1770166548).
Provider details
- NPI number
- 1770166548
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Stahl, President(210) 490-2051
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 5718 University Hts Ste 202San Antonio, TX 78249-1131Phone: (210) 490-2051
Registry dates
- Enumerated
- 2021-04-29
- Last updated
- 2021-04-29
- Certified
- 2021-04-29
Frequently asked questions
- What is Apex Allergy and Asthma PLLC's NPI number?
- Apex Allergy and Asthma PLLC's National Provider Identifier (NPI) is 1770166548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Apex Allergy and Asthma PLLC?
- Apex Allergy and Asthma PLLC is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Apex Allergy and Asthma PLLC located?
- Apex Allergy and Asthma PLLC's practice location on file with NPPES is 14615 San Pedro Ave Ste 250, San Antonio, TX 78232-4316.
- What is Apex Allergy and Asthma PLLC's phone number?
- The practice phone number listed in the NPPES registry for Apex Allergy and Asthma PLLC is (210) 490-2051.
- Does Apex Allergy and Asthma PLLC accept Medicare?
- Apex Allergy and Asthma PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Apex Allergy and Asthma PLLC?
- The authorized official listed on Apex Allergy and Asthma PLLC's NPPES record is Mark Stahl, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Apex Allergy and Asthma PLLC's NPI active?
- Yes — Apex Allergy and Asthma PLLC's NPI (1770166548) is active in the NPPES registry as of the last update on 2021-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.