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
ANESTHESIOLOGY
Graduated: 2020
NPI: 1861029845
DARIN RENTZ DO PC
4445 MAGNOLIA AVE
RIVERSIDE, CA 925014135
9517883000
CLINICAL COLLEAGUES INC
500 JOHN DEERE RD
MOLINE, IL 612656892
8449371810
Source: CMS National Downloadable File, September 2026.