Physician Profile
Unclaimed ProfileAbout FREILER
Based in San Antonio, TX, John F Freiler, M.D. is listed in the NPI registry under allergy/immunology. John is also listed as specialising in allergy and internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Freiler specialise in?
Dr. Freiler is an allergy/immunology in San Antonio, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ALLERGY/IMMUNOLOGY”.
NPI registry
Where is Dr. Freiler located?
Dr. Freiler is listed at 11840 ALAMO RANCH PKWY STE 80, San Antonio, TX 78253. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Freiler's phone number?
The number on file is (210) 764-6567. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Freiler?
Dr. Freiler's National Provider Identifier is 1407863533. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Freiler go to medical school?
Dr. Freiler attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Freiler have?
Dr. Freiler has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Freiler do most often?
According to Medicare billing data, Dr. Freiler provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Freiler's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Freiler. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (210) 764-6567
- Email not available
Practice Locations
11840 ALAMO RANCH PKWY STE 80
San Antonio, TX 78253
Procedures Most Often Billed to Medicare
3,306 services · 213 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
2,306 |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
540 |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
234 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
34 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
125 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
38 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
18 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other allergy/immunology specialists in San Antonio 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1999 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 8
Providers in TX who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.