Form: Cost-of-Breach DisclosureSource: IBM Cost of a Data BreachFiled: 28 Apr 2026
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Filing MA-20100825-pioneer-valley-pathologyHHS OCR Breach Register, Massachusetts

Breach filing

Archived

Pioneer Valley Pathology: 24,750 individuals, Aug 2010.

Pioneer Valley Pathology reported a breach of unsecured protected health information to the HHS Office for Civil Rights on 25 August 2010. The filing records the organisation as a business associate in Massachusetts and lists 24,750 individuals affected, which makes it the 45th largest of the 241 Massachusetts filings on the register and the 20th largest of the 199 filings submitted nationally in 2010. Among the 6 Massachusetts filings made in 2010 it ranks 1st.

Individuals affected

24,750

As reported to HHS

Modelled cost (IBM 2025)

$3.96M

Method shown, not disclosed

Rank in MA

45th

of 241 Massachusetts filings

Rank in 2010

20th

of 199 filings nationally

Section F.1 / The filing

As posted by HHS OCR

Every value below is the portal's own field for this filing, plus its rank within the register.

Covered entity type
Business Associate
Individuals affected
24,750
Breach submission date
25 August 2010
Submission year
2010
Type of breach
Theft
Location of breached information
Paper/Films
Business associate present
Yes
Portal status
listed in the HHS OCR breach portal archive
Rank in Massachusetts by size
45th of 241
Rank in 2010 nationally
20th of 199
Massachusetts median filing
3,900 individuals
Register id (derived)
MA-20100825-pioneer-valley-pathology

Section F.2 / In context

Where this filing sits in Massachusetts and in 2010

OCR classifies the incident as theft, with the breached information held in paper records or films. Theft is the type recorded on 21 of the 241 Massachusetts filings (9%) and on 68% of all filings submitted in 2010. Paper/Films appears on 10% of Massachusetts filings.

A business associate is recorded as present on the filing, as it is on 37% of Massachusetts filings. At 24,750 individuals the breach is 6.3 times the Massachusetts median filing of 3,900 and 6.2 times the national median of 4,000 across all 7,884 filings. It sits in the 10,000 to 99,999 band, which holds 1,938 filings.

As of 28 August 2026 the case is listed in the HHS OCR breach portal archive. OCR's closing summary of the case is reproduced in full below.

Massachusetts's breach notification statute (Mass. Gen. Laws ch. 93H) requires notice to affected residents as soon as practicable and without unreasonable delay. Its attorney general threshold: all breaches (AG and Office of Consumer Affairs and Business Regulation). The HIPAA Breach Notification Rule ran alongside it: notice to affected individuals and to HHS without unreasonable delay and no later than 60 days after discovery, which is the clock that put this filing on the portal.

Multiplying 24,750 individuals by IBM's $160 customer-PII cost per record (Cost of a Data Breach 2025, the figure the site's calculator uses) gives a modelled $3.96M; the 2026 edition's $192 gives $4.75M. Both are modelled estimates with the method shown, not costs disclosed by Pioneer Valley Pathology. For scale, IBM's 2026 average cost of a healthcare breach is $6.64M, so this filing models at 0.7 times the sector average.

Section F.3 / OCR closing summary

The portal's archived description, in full

Written by the Office for Civil Rights when the case was closed and reproduced verbatim from the HHS export.

A Boston Globe employee discovered the unsecured paper medical records of Pioneer Valley Pathology, a group practice with offices inside Holyoke Medical Center (HMC), at a trash transfer station. The breach affected approximately 24,750 individuals. The PHI involved in the breach included names, addresses, dates of birth, social security numbers, insurance information, and medical information. HMC is not the covered entity (CE) responsible for this breach and it field the breach report in error. OCR provided HMC with technical assistance related to breach notification. OCR opened a compliance review against the CE responsible for this breach.

Section F.5 / Modelled cost

24,750 individuals through IBM's per-record figures

Modelled cost / method shown, not a disclosed cost

Modelled

IBM 2025 customer PII, $160 per record

$3.96M

24,750 x $160

IBM 2026 customer PII, $192 per record

$4.75M

24,750 x $192

Method: individuals affected, as reported by Pioneer Valley Pathology to HHS, multiplied by IBM's customer-PII cost per record (Cost of a Data Breach 2025 Figure 6 and the 2026 edition). No cost has been disclosed by the entity for this filing; the figure is a planning estimate, not a fact about the breach. IBM's per-record figures come from mid-volume breaches and IBM cautions against applying them to breaches involving millions of records; the site's per-record page explains where the multiplication holds and where it breaks down.

Context: IBM's average cost of a healthcare breach is $6.64M in the 2026 report ($7.42M in 2025); the global average across all sectors was $4.44M in 2025.

Cost per record: method and limits / Healthcare breach cost, IBM 2026

Section F.6 / Notification clock

Massachusetts statute and the HIPAA rule

State notification statute

Massachusetts: Mass. Gen. Laws ch. 93H

paired with 201 CMR 17.00 data-security regulations

Notice to individuals
As soon as practicable and without unreasonable delay
Attorney general threshold
All breaches (AG and Office of Consumer Affairs and Business Regulation) (As soon as practicable and without unreasonable delay)
Private right of action
Yes: Chapter 93A claims, subject to a 30-day pre-suit demand letter requirement
Penalty
Up to $5,000 per violation; treble damages for willful violations, plus attorney fees

The HIPAA Breach Notification Rule runs alongside the state statute: notice to affected individuals and to HHS without unreasonable delay and no later than 60 days after discovery.

Section F.7 / Peer filings

Massachusetts filings closest in size

Neighbours by size rank among Massachusetts filings in 2010, topped up from other years where 2010 has too few. Filings of 10,000 or more link to their own page.

Covered entityTypeIndividualsSubmitted
Hebrew SeniorLife, Inc.Healthcare Provider27,24411 Sep 2020
High Point Treatment Center, Inc.OpenHealthcare Provider25,83230 Jan 2026
Justice Resource InstituteHealthcare Provider23,11826 Apr 2024
Joseph A. Gagnon d/b/a Goldthwait AssociatesBusiness Associate11,0001 Oct 2010
DentaQuestBusiness Associate10,5159 Jun 2010

Index / Companion schedules

Provenance

Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal (breaches affecting 500 or more individuals), retrieved 2026-08-28. Public domain. Individuals affected and dates as reported by the covered entity.

Portal: ocrportal.hhs.gov breach report. Statutory basis: HITECH Act section 13402(e)(4): the Secretary must post a list of breaches of unsecured protected health information affecting 500 or more individuals. Breaches affecting fewer than 500 individuals are reported to OCR annually and are not posted, so they are not on this register. Status wording follows the portal's two tabs ("Cases Currently Under Investigation" and "Archive") as of 28 August 2026; a filing moves to the archive when OCR closes the case. Modelled costs on this site are a method applied to the reported count, using IBM Cost of a Data Breach per-record figures, and are never a cost disclosed by the entity. This row: hhs-breach-archive__2026-08-28.csv, export row 7032.

Corrections: if you represent a listed entity and the portal row has been amended, email [email protected] with the portal entry and we will re-pull the export.