Translucent, an AI-native healthcare finance startup, closed a $27 million Series A. Separately, LunaBill (YC W2026) is building AI voice callers for healthcare billing teams — already at $764K contracted ARR with partnerships at UC health systems, Mayo, and Experian Health. The AI medical billing market is projected to grow from $5.9B (2026) to $45.38B by 2035 (25.44% CAGR) per Precedence Research.