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

LANNY L HSIEH, MD

INFECTIOUS DISEASE

Medical school: NEW YORK UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1999

NPI: 1184828444

Practice Locations (3)

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA-IRVINE

101 THE CITY DR S

ORANGE, CA 928683201

7144567890

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA-IRVINE

101 THE CITY S DR

ORANGE, CA 928683201

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA-IRVINE

101 THE CITY S DR, SUITE 58

ORANGE, CA 928683201

Source: CMS National Downloadable File, September 2026.

LANNY HSIEH, MD | HealthCareAtlasUSA