Allergy & Immunology Physician in Philadelphia, PA

Ranked by profile completeness, registry tenure & documented Medicare activity — an honest, data-backed ordering, not a quality, outcomes, or patient-satisfaction verdict.

Compare 43 Allergy & Immunology Physician providers with a practice address in Philadelphia, Pennsylvania. Every entry is a real NPI record you can open and verify; 97% of the ranked results below have a street-level (rooftop) location.

Providers in city

Street-level located

97%

Registry vintage

June 2026

Ranked Allergy & Immunology Physician

Top 30 of 43

43 Allergy & Immunology Physician practice in Philadelphia. Compare the most complete records below, or filter the full list by name and nearby ZIP.

Find Allergy & Immunology Physician near you →

1
Liza O'DowdM.D.

Ranking reflects NPPES profile completeness, registry tenure, and documented Medicare activity (where present) — see our methodology. It is not a measure of clinical quality or patient satisfaction. Source: CMS NPPES (June 2026); specialty taxonomy: NUCC. Locations are geocoded from the public practice address.