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DR. JOHN F FREILER M.D.
NPI 1407863533
Allergy & Immunology - Allergy in San Antonio, TX

Active since August 02, 2006PECOS Enrolled
11840 ALAMO RANCH PKWY STE 80, SAN ANTONIO, TX 78253(210) 764-6567(888) 395-3465 Get Directions Write a Review

NPPES record last updated: August 10, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 10, 2023, Mar 11, 2022, Dec 9, 2020 and 1 more (4 updates tracked since 2018).

About Dr. John F Freiler M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN F FREILER M.D. (NPI 1407863533) is an individual allergy provider in San Antonio, Texas, licensed in Texas (S2033) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1407863533
Entity TypeIndividualMale
Primary Taxonomy207KA0200X
Provider Legal NameDR. JOHN F FREILERCredential: M.D.
Location Address11840 ALAMO RANCH PKWY STE 80San Antonio, TX 78253-4191
Mailing Address11840 Alamo Ranch Pkwy Ste 80San Antonio, TX 78253-4191 · (210) 764-6567 · Fax (888) 395-3465
Phone(210) 764-6567
Fax(888) 395-3465
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateAugust 2, 2006
Last NPPES UpdateAugust 10, 20234 updates tracked since enumeration
NPPES CertifiedAugust 10, 2023
✔ NPI 1407863533 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
Licenses✔ Licensed in TX · S2033✔ Licensed in NJ · 25MA08413900
Definition

A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

Also ListedInternal MedicineTaxonomy 207R00000X · License S2033 (TX), 25MA08413900 (NJ)
11840 ALAMO RANCH PKWY STE 80, San Antonio, TX 78253
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John F Freiler M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID941361851
PECOS Enrollment IDI20210527000768
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
2,306 services35 patients
Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
540 services12 patients
Test for allergy using allergenic extract injected into skin 95024
An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.
234 services17 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
125 services62 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
38 services38 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
34 services24 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PREMIER ALLERGY OF TEXAS, PLLC
Allergy & Immunology
11840 ALAMO RANCH PKWY STE 80
SAN ANTONIO, TX 78253
Bexar County (210) 764-6567

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Freiler's NPI number?

The NPI number for John Freiler is 1407863533. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is John Freiler located?

John Freiler practices at 11840 Alamo Ranch Pkwy Ste 80, San Antonio, TX 78253. The listed phone number is (210) 764-6567.

What is John Freiler's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is John Freiler enrolled in Medicare?

Yes. John Freiler is registered in the Medicare PECOS enrollment system.

What insurance does John Freiler accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list John Freiler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Freiler was last updated on August 10, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.