New York attorney · Reg. #4152393

Katherine J. O'Brien

Registered (registry: Currently registered)

Current employer

Yale New Haven Health Service · New Haven, CT · since at least September 2026

Admission

Admitted 2003, Third Department · PACE UNIVERSITY

Employment history

• Yale New Haven Health Service · New Haven, CT · current

Compiled from NYS Office of Court Administration registration records, published NY Appellate Division decisions, and SEC orders against attorneys; current as of October 2026. Not an official record; verify with the NY Courts Attorney Search.