Data residency is where your data physically sits. HIPAA itself does not name a required storage location for patient data. When a location requirement exists, it usually comes from a contract, a state or program rule, a non-US law, or a vendor's own hosting choices. This entry is part of the Healthcare operations glossary.
Definition
Data residency is the country or region where an organization's data is physically stored and processed.
The term answers one question: in which country or region do our files, messages and backups physically sit?
Storage location covers more than the main copy you work in. It also includes backups, replicas and disaster-recovery copies. A vendor's statement about where data is stored should account for all of them.
In practice at a clinic or small practice
An office manager or IT contact usually meets the term when signing up for cloud tools such as staff chat, file storage or scheduling. It shows up in three places:
- Vendor security pages
- Contracts and order forms
- Hosting-region settings during setup
The questions are usually simple. Is our data stored in the US? Is the region fixed, or does it depend on the plan we buy?
Sometimes the requirement comes from outside the practice. Payers, state programs or a parent organization may require US-only storage in their contracts. Front desk and clinical staff rarely choose a hosting region themselves. Their part is to use only the tools the practice has approved, so data doesn't end up in a personal app with an unknown storage location.
Region choice often depends on the plan. Some team chat vendors offer it only on top-tier plans. For example, Chanty offers data residency in the US, EU or APAC on its Enterprise plan, and its other plans have no regional commitment.
Not to be confused with
| Term | What it's about | How it differs from data residency |
|---|---|---|
| Data sovereignty | Data is subject to the laws of the country where it is stored | Residency is about location. Sovereignty is about which laws apply. |
| Data localization | A legal mandate that data must stay inside a country | Residency is often a choice or a contract term. Localization is a requirement. |
| HIPAA-compliant hosting | Safeguards and a signed BAA | It is not about geography. US hosting does not by itself make a service HIPAA compliant. |
What the rules say
- HIPAA has no definition of "data residency." The term is industry usage, not regulatory language.
- The HIPAA Security Rule sets safeguards, not a location. It requires administrative, physical and technical safeguards for ePHI. It does not say where that data must be stored.
- HHS cloud guidance covers outside storage. Covered entities may use cloud service providers that sign a business associate agreement. The guidance also addresses ePHI stored outside the US.
- Other rules can add location requirements. These can include state laws, federal contracts or programs, and non-US laws such as the GDPR for data about people in the EU.
Practical takeaway. Before you approve a tool, check three things:
- The vendor's stated hosting region.
- Whether that region differs by plan.
- How the BAA scope applies to the data you plan to store.
Then ask your privacy officer whether any payer, state or parent-organization contract you hold requires US-only storage.
Related reading
- HIPAA-compliant hosting: the safeguards side of storing ePHI with a vendor.
- Business associate agreement (BAA): what the contract covers and what it doesn't.
- Security, hosting and BAA details: how one staff chat vendor documents its hosting and BAA terms.
Where Chanty fits. chanty.health is published by Chanty, a team chat for clinic staff with a signed BAA from the Business plan. If your team still coordinates in personal group chats, see how HIPAA-compliant staff chat works or start free.