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

GABRIELLE NEUMANN HORNER, MD

HOSPITALIST

Medical school: TUFTS UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2021

Also: INTERNAL MEDICINE

NPI: 1396328423

Practice Locations (2)

12312 GORHAM AVE

Los Angeles, CA 900495206

10790 RANCHO BERNARDO RD

SAN DIEGO, CA 921275705

Source: CMS National Downloadable File, September 2026.

GABRIELLE HORNER, MD | HealthCareAtlasUSA