Mark C. Stahl, DO
Listed as an allergist, with 2 practice addresses in San Antonio, Texas.
Practice locations 2
Apex Allergy and Asthma, PLLC
14615 San Pedro Ave, Suite 250
San Antonio, TX 78232Apex Allergy and Asthma, PLLC
5718 University Hts, Suite 202
San Antonio, TX 78249
From the records
- Specialty
- Allergist
- Records
- Medicare records: allergy/immunology (October 2026).
- Medicare
- Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
- Medical school
- Michigan State University College of Osteopathic Medicine, graduated 2003 (Medicare records)
- Registry record
- Last updated April 2021
- NPI
- 1912932476 (national provider registry)
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From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors