BreachCensus

DaVita Inc.

healthcareHealthcareUnited States of America

DaVita Inc. is a healthcare organisation in Washington. It appears on the HHS OCR breach portal, the Massachusetts Attorney General breach-notification register, the California Attorney General breach-notification register and the Washington State Attorney General breach-notification register with 3 confirmed incidents (4 filings); the most recent notice was filed on August 1, 2025.

Headquarters
Denver, United States
ISIN
US23918K1088
LEI
M2XHYMU3TZNEZURC6H66
Wikidata
Q5207184

Data as of September 19, 2026.

Confirmed incident

Filed in WA, CO and MA — Hacking/IT Incident

The same incident was filed separately with 3 jurisdictions within a few days of each other (WA, CO and MA) — shown here as one incident.

Occurred
March 24, 2025
Disclosed
August 1, 2025
Records affected
2,689,826

Timeline

  1. August 1, 2025
    Reported to regulator Regulator

    MA AG breach notification: 7,829 Massachusetts residents affected

    source
  2. August 1, 2025
    Reported to regulator Regulator

    WA AG breach notification: 13,404 Washington residents affected

    source
  3. August 1, 2025
    Reported to regulator Regulator

    HHS OCR breach portal listing: Hacking/IT Incident; Network Server

    source
What a Washington notice means

Governed by RCW 19.255.010. Notice to the Attorney General is required when a breach affects more than 500 Washington residents.

Note: the count is Washington residents only, not a total.

Washington breach-notification register ↗

What a Massachusetts notice means

Governed by M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

Confirmed incident

US-CA

Occurred
December 14, 2023
Disclosed
July 3, 2024

Timeline

  1. July 3, 2024
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
  2. May 1, 2025
    Litigation filed Court

    RECAP docket 4:25-cv-00309 (mowd): G.I. v. DaVita Inc.

    source

Litigation

What a California notice means

Governed by Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗

Unverified claim

US — Ransomware Attack

This is an unverified claim — it has allegedly happened to this organisation, as posted by a source below, but has not been confirmed by a regulator, a court filing or the organisation’s own disclosure.

Timeline

  1. April 12, 2025
    Claimed by threat actor (unverified) Claim

    Ransomware leak-site claim (ransomware_live)

    source