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Upcoming Events

33rd Annual HL7 Plenary and Working Group Meeting:  the Gravity Project will be introduced during the Birds of a Feather session on Tuesday, September 17 at 5:15pm ETClick here for the full brochure and schedule.

Gravity in the News

HL7 Announces Gravity as New FHIR Accelerator Project

MobiHealthNews:  Gravity Project Joins HL7 FHIR Accelerator

Digital Health News:  HL7 Adds SDoH Project Into the FHIR Accelerator Program

Become a Gravity Project Sponsor

SIREN and EMI Advisors are currently seeking additional Gravity Project sponsors. This is an opportunity to be recognized as contributing to this project, which is receiving considerable attention. If your organization is interested in becoming a sponsor, please click on the button below to submit your contact information.  

UPDATED Gravity Project meeting schedule

Join the Gravity Project

The success of the Gravity Project depends on the contribution of volunteers who are eager to make rapid progress on the standardization of social determinants of health data.  We need experts to contribute to and validate definitions for SDH related data elements and value sets.

Participants are asked to join the project at any time either as a Committed Member or Other Interested Party as part of the HL7 Consensus Process.  To join the project, sign up here.  

  • To check your project membership status, click here.  If you wish to change your membership from Other Interested Party to Committed Member, please send an email request to .
  • NOTE:  Both member types can submit comments on project documentation.  However, only Committed Members may vote on final documentation.  If you would like to have voting rights, please change your membership status or join the project as a Committed Member.


The Social Interventions Research and Evaluation Network (SIREN), with funding from the Robert Wood Johnson Foundation and in partnership with EMI Advisors, LLC, is pleased to invite you to join the Gravity Project. Driven by the growing interest in capturing social risk and protective factor data in health care settings, the Gravity Project brings industry leaders together to identify and harmonize social risk and protective factor data for interoperable electronic health information exchange.

The Gravity Project will convene a public collaborative process from April to December 2019 to accomplish the following goals for the social domains of food security, housing stability and quality, and transportation access:

  • Develop use cases to support documentation for screening, diagnosis, treatment/intervention, and planning activities within EHR and related systems;
  • Identify common data elements and their associated value sets to support the uses cases;
  • Develop a consensus-based set of recommendations on how best to capture and group these data elements for interoperable electronic exchange and aggregation; and
  • Initiate development of an HL7® Fast Health Interoperability Resource (FHIR®) Implementation Guide based on the defined use cases and associated data sets that will be finalized in the next phase of work.

Project objectives will be accomplished through weekly one-hour virtual meetings and collaborative project product development through the HL7 project confluence page.

Upcoming Gravity Project Meeting




Webinar Information

Homework Documents & Links

August 29, 2019

NOTE:  meetings are currently bi-weekly

4:00-5:00pm ET / 1:00-2:00pm PT

Public Community Meeting

  • Food Insecurity Data Sets & Value Sets Gaps
  • Review Use Case Package Voting Dispositions

Please log on before dialing in and enter the provided participant ID.


Dial-In:  (415)655-0003

Meeting ID:  738 112 808

Password (for app users):  gravity

Food Insecurity Data Element submissions due by Aug. 30

Regular homework due by Tuesday, Aug. 27 2019

Join the Gravity Project


  • Food Insecurity Data Sets & Value Sets Gaps

Email comments and feedback to


Click here for project documentation and deliverables.

Gravity Project Steering Committee

Steering Committee meetings are currently held on the last Monday of each month.  

Steering Committee Members

Mark CarrozzaAmerican Academy of Family Physicians (AAFP)

Keri Christensen

National Committee for Quality Assurance (NCQA)

Chris Dymek

HHS Agency for Healthcare Research and Quality (AHRQ)

Margo Edmunds

Academy Health/ National Interoperability Collaborative
Andrea GelzerAmeriHealth Caritas
Tom GiannulliAmerican Medical Association

Cara James

CMS Office of Minority Health

Nafisa Jiwani

CMS Innovation Office (detail), Centers for Disease Control (CDC)

David Kendrick

MyHealth Network

Jessica Khan


Lisa Lehmann

Department of Veterans Affairs (VA)

Brenna Long

Department of Veterans Affairs (VA)

Sam Meklir

HHS Office of the National Coordinator (ONC)

Nancy Myers

American Hospital Association Center for Health Innovation

Tom Novak


Pam Owens


Michelle Proser

National Association of Community Health Centers (NACHC)
Duane ReynoldsAmerican Hospital Association Institute for Diversity and Health Equity
Sheila ShapiroUnitedHealthcare Clinical Services

Walter Suarez

Kaiser Permanente

Al Taylor


Bill Winfrey

HHS Centers for Medicare and Medicaid Services (CMS)

Carlos Villarreal

Blue Cross Blue Shield Association

Project Timeline

Project Contacts





Evelyn GallegoProgram ManagerEMI Advisors,
Lynette ElliottProject ManagerEMI Advisors,
Melinda MorrowProject AnalystEMI Advisors,
Lisa NelsonValue Sets Subject Matter
Linda HydeValue Sets Subject Matter ExpertEMI Advisors,
Caroline FichtenbergManaging


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