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

WILLIAM R MATHIAS, PA

PHYSICIAN ASSISTANT

Graduated: 2022

NPI: 1285806323

Practice Locations (2)

NEIGHBORHOOD HEALTHCARE

855 E MADISON AVE

EL CAJON, CA 920203819

6194402751

NEIGHBORHOOD HEALTHCARE

460 N ELM ST

ESCONDIDO, CA 920253002

7605208100

Source: CMS National Downloadable File, September 2026.

WILLIAM MATHIAS, PA | HealthCareAtlasUSA