Health Maintenance Organization in Riverside, CA

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

Compare 15 Health Maintenance Organization providers with a practice address in Riverside, California. Every entry is a real NPI record you can open and verify; 100% of the ranked results below have a street-level (rooftop) location.

Providers in city

Street-level located

100%

Registry vintage

June 2026

Ranked Health Maintenance Organization

Top 15 of 15

15 Health Maintenance Organization practice in Riverside. Compare the most complete records below, or filter the full list by name and nearby ZIP.

Find Health Maintenance Organization near you →

1
Riverside County
Health Maintenance Organization · Riverside, 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.