[HipaaBreachPulse](/v/hipaabreachpulse) / compare

# Mid Michigan Medical Billing Service, Inc. vs Trinity Health: HipaaBreachPulse comparison

**Mid Michigan Medical Billing Service, Inc.'s individuals affected of 28,185 is 10.3x Trinity Health's 2,740 (72nd percentile). Mid Michigan Medical Billing Service, Inc. is dated 2026-01-05; Trinity Health 2026-03-13.**

Data as of 2026-11-04 · [Compiled by Zalwin](/research/hipaabreachpulse) from HHS Office for Civil Rights breach portal (breaches affecting 500+ individuals) Copy citation

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## How does Mid Michigan Medical Billing Service, Inc. compare to Trinity Health?

| Field | Mid Michigan Medical Billing Service, Inc. | Trinity Health |
|---|---|---|
| Organization | Mid Michigan Medical Billing Service, Inc. | Trinity Health |
| State | MI | MI |
| Entity type | Business Associate | Business Associate |
| Individuals affected | 28,185 | 2,740 |
| Report submitted | 2026-01-05 | 2026-03-13 |
| Breach type | Hacking/IT Incident | Unauthorized Access/Disclosure |
| Location of information | Network Server | Electronic Medical Record |
| Business associate present | Yes | Yes |
| individuals affected percentile | 72nd | 36th |
| Security Need Score | 60/100 | 20/100 |
| Peer rank and all 21 MI records (CSV) | Every comparable record ranked, with amounts, dates and scores 🔒 Click to unlock → |
| Official source URLs for every peer record | Direct links to each record at its government source 🔒 Click to unlock → |

Official records: [Mid Michigan Medical Billing Service, Inc.](https://ocrportal.hhs.gov/ocr/breach/breach_report.jsf) · [Trinity Health](https://ocrportal.hhs.gov/ocr/breach/breach_report.jsf)

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As listed on the HHS OCR breach portal, which shows reports currently under investigation; a listing is the organization's own report to HHS, not a finding of fault. Organizations only. Informational only.

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