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 / AZ

KRISTIN MARIE WILLIAMS, MD

OBSTETRICS/GYNECOLOGY

Medical school: DREXEL UNIVERSITY COLLEGE OF MEDICINE

Graduated: 1999

NPI: 1992847131

Practice Locations (4)

VALLEY PERINATAL SERVICES LLC

2620 N 3RD ST, SUITE 103

PHOENIX, AZ 850041153

4807566000

RADY CHILDREN'S HOSPITAL SAN DIEGO

5555 GROSSMONT CTR DR

LA MESA, CA 919423019

8585761700

RADY CHILDREN'S HOSPITAL SAN DIEGO

3010 CHILDRENS WAY

SAN DIEGO, CA 921234223

8585761700

RADY CHILDREN'S HOSPITAL SAN DIEGO

3020 CHILDREN'S WAY

SAN DIEGO, CA 921234223

8585761700

Source: CMS National Downloadable File, September 2026.

KRISTIN WILLIAMS, MD | HealthCareAtlasUSA