Joseph D. Diaz, MD
Listed as an allergist, with 2 practice addresses in Maryville and Shiloh, Illinois.
Practice locations 2
Allergy Asthma and Immunology Center SC
2023 Vadalabene Dr, Suite 151
Maryville, IL 62062Allergy Asthma and Immunology Center SC
325 Tamarack Ln
Shiloh, IL 62269
From the records
- Specialty
- 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
- Medical school
- Graduated 1983; school not named (Medicare records)
- Registry record
- Last updated October 2007
- NPI
- 1417948241 (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