Are you John F. Freiler, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 11840 Alamo Ranch Pkwy Ste 80, San Antonio, TX 78253
About Dr. 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 specializing in allergy and internal medicine. Medicare claims data shows John provided 3,306 services to 213 patients. The services billed most often include test for allergy using allergenic extract, professional service for preparation and provision of 1 or more antigens, and test for allergy using allergenic extract injected into skin. NPI 1407863533 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (210) 764-6567
- Email not available
Practice Locations
11840 ALAMO RANCH PKWY STE 80
San Antonio, TX 78253
Conditions Commonly Evaluated or Treated
Within Allergy and Immunology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Digestive
Drug allergies
Drug allergy
Emergency
Environmental
Eye
Food allergies
- Egg Allergy
- Milk Allergy
- Peanut Allergy
- Shellfish Allergy
- Soy Allergy
- Tree Nut Allergy
- Wheat Allergy
Immune conditions
Immunology
- Common Variable Immunodeficiency
- Frequent Infections
- Hereditary Angioedema
- Mast Cell Activation Syndrome
- Weak Immune System
Lung conditions
Respiratory
Sinus
Sinus conditions
Skin
Skin conditions
Procedures & services
Most searched procedures
Allergy treatments
- Allergy Drops
- Asthma Biologics
- Food Desensitization
- Peanut Allergy Pill Treatment
- Sublingual Dust Mite Treatment
- Under-The-Tongue Allergy Tablets
Diagnostic
- Asthma challenge test
- Drug Challenge Test
- Exercise Challenge Breathing Test
- Exhaled nitric oxide test
- Ice Cube Test for Cold Allergy
- Immune System Blood Test
- Nasal endoscopy
- Oral Food Challenge
- Peak Flow Test
- Penicillin Allergy Testing
- Spirometry
- Tryptase Blood Test
- Vaccine Challenge Test
- Vaccine Response Antibody Test
Infusion
Medication therapy
Medications
Preventive
Respiratory
Tests
- Allergy Blood Testing
- Allergy Skin Prick Test
- Blood Component Allergy Test
- Complement Blood Test
- Eosinophil Blood Count
- Intradermal Allergy Test
- Pulmonary function test
- Skin Test For Metal Allergy
- Total IgE Blood Test
Treatment
Procedures Most Often Billed to Medicare
3,306 services · 213 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
2,306 | More often than most peers in Allergy/Immunology |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
540 | Less often than most peers in Allergy/Immunology |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
234 | As often as other peers in Allergy/Immunology |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
34 | As often as other peers in Allergy/Immunology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
125 | More often than most peers in Allergy/Immunology |
| 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 | More often than most peers in Allergy/Immunology |
| 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 | Less often than most peers in Allergy/Immunology |
| 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 | Less often than most peers in Allergy/Immunology |
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.
Common questions
What does John F. Freiler specialize in?
John F. Freiler is an allergy/immunology in San Antonio, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is John F. Freiler located?
John F. 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 John F. Freiler's phone number?
The number on file is (210) 764-6567. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John F. Freiler?
John F. 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 John F. Freiler train?
John F. Freiler attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John F. Freiler have?
John F. Freiler has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does John F. Freiler do most often?
According to Medicare billing data, John F. 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 John F. Freiler's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John F. Freiler. If this is you, claiming it is free.
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