Ahdad Ziyar, MD
Listed as an allergist, with 2 practice addresses in Rancho Cordova and Santa Ana, California.
Practice locations 2
Permanente Medical Group Inc
10725 International Dr
Rancho Cordova, CA 95670801 N Tustin Ave, Suite 605
Santa Ana, CA 92705
From the records
- Specialty
- Allergist
- Records
- Medicare records: allergy/immunology (October 2026).
- Medicare
- May accept 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
- Medical school
- University of Florida College of Medicine, graduated 2018 (Medicare records)
- Registry record
- Last updated December 2025
- NPI
- 1205330685 (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