NPI age
19 years
Enumerated 2006-08-02
● Active
Type 1 · Individual
DR. John F Freiler, M.D.
Freiler is 1 of 17 allergy & immunology providers in San Antonio and 1 of 134 in Texas.
Primary specialty
Allergy & Immunology
Plus 3 subspecialties
Licensed in
TX, NJ
2 states
Status
Active
No deactivations on record
Last NPPES update
2023-08-10
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 134 active allergy & immunology providers in Texas.
NPI age
19 years
≈ at median (19 yr)
State licenses
2 states
Top 91% — 9% of peers are multi-state
Subspecialties
1
In the 31% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
11840 Alamo Ranch Pkwy Ste 80
San Antonio, TX 782534191
Mailing address
11840 Alamo Ranch Pkwy Ste 80
San Antonio, TX 782534191
Specialties
-
Allergy & Immunology PrimaryA physician who specializes in the diagnosis, treatment, and management of allergies.
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.