Internal Medicine Physician in Fullerton, CA

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

Compare 56 Internal Medicine Physician providers with a practice address in Fullerton, California. Every entry is a real NPI record you can open and verify; 93% of the ranked results below have a street-level (rooftop) location.

Providers in city

Street-level located

93%

Registry vintage

June 2026

Ranked Internal Medicine Physician

Top 30 of 56

56 Internal Medicine Physician practice in Fullerton. Compare the most complete records below, or filter the full list by name and nearby ZIP.

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1
Kiho WooM.D.
Internal Medicine Physician · Fullerton, CA

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.