Who bills the most Emergency department visit with moderate level of medical decision making (99284) to Medicare in California?

478 physician groups billed Emergency department visit with moderate level of medical decision making (99284) to Medicare fee-for-service in California in 2024; the top five named groups hold 32% of that volume, and independent (non-hospital-affiliated) groups deliver 0%.

99284 — Emergency department visit with moderate level of medical decision making · Source: CMS Medicare Physician & Other Practitioners PUF (Part B), CY2024 release. Medicare fee-for-service only.

Snapshot covers the whole California market — the table below shows the top 100 groups (free tier).

*Share of California's disclosed Medicare-FFS services for 99284, counted once per clinician. Volume is placed in the state it was billed from, so this page ranks the groups actually billing 99284 in California — including groups registered elsewhere ("City" is each group's registered location). Group figures sum clinicians affiliated with exactly one group; clinicians in several groups are listed in each group's drill-down but not volume-attributed to any single group.