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Allergy/Immunology

Ryan M. Casper, MD

Works at hospitals in Glendale, AZ · Arizona

Summary

Ryan M. Casper, MD (Allergy/Immunology) is listed by Medicare at 1 hospital in Glendale, AZ. NPI 1306898846. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ryan M. Casper, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
25Years since medical school (graduated 2001)
Medical College Of WisconsinMedical school
MaleGender (as listed)
Arizona Asthma Allergy Legacy PLCGroup practice

Quick answers

Which hospitals does Ryan M. Casper work at?
Medicare's official clinician data lists Ryan M. Casper at 1 hospital: Banner Thunderbird Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ryan M. Casper see patients?
Medicare's clinician data lists 2 practice locations, including Avondale, AZ and Peoria, AZ. Call before your visit to confirm the address.
What is Ryan M. Casper's specialty?
Medicare lists Allergy/Immunology as the primary specialty, and also Pediatric Medicine.
Does Ryan M. Casper accept Medicare assignment?
Yes. Medicare's clinician data says Ryan M. Casper accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Ryan M. Casper offer telehealth?
Medicare's clinician data says Ryan M. Casper offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Ryan M. Casper?
(623) 935-3000, as listed in official Medicare / NPI Registry data.
What is Ryan M. Casper's NPI number?
1306898846. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ryan M. Casper works

Medicare's Facility Affiliation Data lists Ryan M. Casper at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ryan M. Casper is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ryan M. Casper as a member of this group (CMS data updated 2026-10-02).

  • Arizona Asthma Allergy Legacy PLC17 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Arizona →

Other allergist and immunologists in Avondale

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

All allergist and immunologists in Avondale →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1306898846
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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