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ALLERGY ASTHMA CLINIC LTD
NPI 1609834373
Allergy & Immunology in Phoenix, AZ

Active since May 03, 2006
300 W CLARENDON AVE, STE 120, PHOENIX, AZ 85013(602) 277-3337(602) 277-3330 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 4, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About Allergy Asthma Clinic Ltd NPPES

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

ALLERGY ASTHMA CLINIC LTD (NPI 1609834373) is a healthcare organization registered as an allergy & immunology in Phoenix, Arizona and active in the NPI registry since May 2006. The organization lists Ania Leyko, Finance Manager, as its authorized official.

NPPES Registry Identity

NPI1609834373
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameALLERGY ASTHMA CLINIC LTD
Location Address300 W CLARENDON AVE, STE 120Phoenix, AZ 85013-3421
Mailing Address300 W Clarendon Ave, Ste 120Phoenix, AZ 85013-3421 · (602) 277-3337 · Fax (602) 277-3330
Phone(602) 277-3337
Fax(602) 277-3330
Organization SubpartNo
Authorized OfficialAnia LeykoFinance Manager · (602) 277-3337
Enumeration DateMay 3, 2006
Last NPPES UpdateFebruary 4, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2026
✔ NPI 1609834373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
300 W CLARENDON AVE, Phoenix, AZ 85013
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allergy Asthma Clinic Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Allergy Asthma Clinic Ltd, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Claudia Gaefke, MD
Allergy/Immunology
NPI 1568840270
300 W CLARENDON AVE STE 120
Phoenix, AZ 85013
(022) 773-3376
✔ PECOS✔ Accepts MedicareSame address
Bartlomiej Leyko, MD
Allergy/Immunology
NPI 1538124946
300 W CLARENDON AVE STE 120
Phoenix, AZ 85013
(602) 277-3337
✔ PECOS✔ Accepts MedicareSame address
Christopher Couch, M.D.
Allergy/Immunology
NPI 1154620714
300 W CLARENDON AVE SUITE 120
Phoenix, AZ 85013
(602) 277-3337
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Allergy Asthma Clinic Ltd's NPI number?

The NPI number for Allergy Asthma Clinic Ltd is 1609834373. It was assigned to this organization in the NPPES registry on May 3, 2006.

Where is Allergy Asthma Clinic Ltd located?

Allergy Asthma Clinic Ltd is located at 300 W Clarendon Ave Ste 120, Phoenix, AZ 85013. The listed phone number is (602) 277-3337.

What is Allergy Asthma Clinic Ltd's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Allergy Asthma Clinic Ltd enrolled in Medicare?

Yes. Allergy Asthma Clinic Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allergy Asthma Clinic Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Allergy/Immunology, reassign their Medicare billing to Allergy Asthma Clinic Ltd. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Allergy Asthma Clinic Ltd accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Allergy Asthma Clinic Ltd 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 Allergy Asthma Clinic Ltd was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.