On the record · Other
US Anesthesia Partners (USAP)
Welsh Carson Anderson & Stowe created US Anesthesia Partners as a roll-up of anesthesiology practices across 9 states. The FTC sued USAP and Welsh Carson in 2023, alleging the roll-up illegally consolidated the anesthesiology market in Texas, enabling supracompetitive pricing — a landmark case against PE healthcare roll-ups.
Research depth
Name only
Identity indexed; ownership and transaction history not yet researched.
Record updated Aug. 18, 2026
We have this organization in the index, but have not yet sourced a transaction or researched its ownership history.
Its presence here does not establish private-equity ownership.
Current ownership
Current owner not established
This record does not identify a current owner. That absence is a gap in the record, not a conclusion about ownership.
1 ownership record has an unresolved current/former status.
Ownership and transaction history
Chronology from recorded ownership periods, transactions and reviewed outcome events. Event order does not imply causation.
Date not recorded
What we do not know
These are gaps in the public record, not findings about the organization.
- The organization's operating status has not been researched.
- No current public ownership assessment has been published.
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