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

ADELAIDA B ANTONIO, MD

INTERNAL MEDICINE

Graduated: 1954

Also: FAMILY PRACTICE, GENERAL PRACTICE

NPI: 1134337975

Practice Locations (2)

ROY MEDICAL GROUP INC

21001 SHERMAN WAY, SUITE 15

CANOGA PARK, CA 913033678

8187160047

ROY MEDICAL GROUP INC

1543 E PALMDALE BLVD

PALMDALE, CA 935502000

Source: CMS National Downloadable File, September 2026.

ADELAIDA ANTONIO, MD | HealthCareAtlasUSA