Ryan M. Casper, MD
Listed as a pediatric allergist, with 2 practice addresses in Avondale and Peoria, Arizona.
Practice locations 2
Arizona Asthma Allergy Legacy PLC
13026 W Rancho Santa Fe Blvd, Suite A100
Avondale, AZ 85392Arizona Asthma Allergy Legacy PLC
13965 N 75th Ave
Peoria, AZ 85381
From the records
- Specialty
- Pediatric allergist
- Records
- Medicare records: allergy/immunology (October 2026).
- Medicare
- Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
- Telehealth
- Medicare’s file shows recent telehealth visits. It doesn’t mean every visit can be by video.
- Medical school
- Medical College of Wisconsin, graduated 2001 (Medicare records)
- Registry record
- Last updated July 2019
- NPI
- 1306898846 (national provider registry)
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From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors