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Allergy/Immunology

Claudia L. Gaefke, MD

Sees patients in Phoenix, AZ · Arizona

Summary

Dr. Claudia L. Gaefke, MD is an allergist and immunologist at 300 W Clarendon Ave, Suite 120, Phoenix, AZ 85013. Phone: (602) 277-3337. Accepts Medicare assignment. In 2024, Claudia L. Gaefke had 218 Original Medicare patients and 7,508 services. NPI 1568840270. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 300 W Clarendon Ave, Suite 120, Phoenix, AZ 85013 · Directions
  • Phone: (602) 277‑3337
  • Medicare: Accepts Medicare assignment
  • Group practice: Allergy Asthma Clinic Ltd
  • Medical school: University Of Arizona College Of Medicine · graduated 2015 (11 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Claudia L. Gaefke, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Claudia L. Gaefke accept Medicare assignment?
Yes. Medicare's clinician data says Claudia L. Gaefke accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Claudia L. Gaefke see?
In 2024, CMS data shows 218 Original Medicare patients and 7,508 services for Claudia L. Gaefke. This counts Original Medicare only and measures volume, not quality.
What is Claudia L. Gaefke's NPI number?
1568840270. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Claudia L. Gaefke, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients218
Services billed to Medicare7,508
Different services or procedures22
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Test for allergy using allergenic extract (95004)3,247 services
  2. Professional service for preparation and provision of 1 or more antigens (95165)1,590 services
  3. Test for allergy using skin patch (95044)880 services
  4. Professional service for multiple injections of allergen (95117)719 services
  5. Professional service for single injection of allergen (95115)330 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure70%
  • Arthritis64%
  • Asthma49%
  • Ischemic heart disease28%
  • Diabetes26%

Practice locations

Addresses where Claudia L. Gaefke is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Claudia L. Gaefke as a member of this group (CMS data updated October 2, 2026).

  • Allergy Asthma Clinic Ltd4 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Arizona →

Other allergist and immunologists in Phoenix

Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.

All allergist and immunologists in Phoenix →

Other clinicians in Allergy Asthma Clinic Ltd

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568840270
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians