PHS Data Center


The Data Center at the Center for Population Health Sciences hosts a diverse collection of high-value data sets and partners with several data sources around the world. The Data Center offers researchers 

  1. A central hub to efficiently access, link, visualize and analyze data from a wide variety of sources; and,
  2. A library of data assets to facilitate transdisciplinary population health science projects and collaboration.

Visit our Data Portal to explore PHS datasets and learn about tools to manipulate millions of records.

Membership and Access

Once you have identified data of interest, you will need to meet several requirements to ensure responsible use of sensitive data. You can read more about requirements in the access section of each dataset on the PHS Data Portal.

To learn more about how to use PHS data, please refer to our Data User Guide

To learn more about our Data Management Policy, please view the CMS Data Management Policy


Office Hours

PHS offers office hours to assist you with questions you may have about accessing or working with our datasets. Please schedule your meeting using our online sign-up website.


Data access in person

Thursdays 12-1PM



General claims questions

Tuesdays from 1 to 2PM

HRP T206 or Webmeeting

Data access for groups

Thursdays and Fridays 1-2PM

Up to 3 people




Tuesdays 4-6PM

HRP T206


Redivis data platform

Tuesdays 3-5PM

HRP T206 

IRB / Regulatory assistance

Thursdays and Fridays 1-2PM



Optum, SAS and general questions

Tuesdays 9-10:30PM

HRP T206 


Optum Data Training

On Thursday, October 11 from 10 – 11 AM in MSOB X303 (1265 Welch Road, Stanford, CA) PHS will be hosting a special Optum Training with Marguerite Dresser and Dona Petrozzi from Optum. This training is highly recommended for people who are new to Claims or Optum or who have particular questions about the Optum data. There will also be a Zoom option.


Contact Us


Phone: (650) 723-2513