HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

LANCE AARON O'CONNOR, CH

CHIROPRACTIC

Medical school: PALMER COLLEGE CHIROPRACTIC - WEST SUNNYVALE

Graduated: 1992

NPI: 1417159419

Practice Locations (1)

910 VALLEJO ST

SANTA ROSA, CA 954045115

7075259111

Source: CMS National Downloadable File, September 2026.