All Breaches
March 27, 2025 Verified Sensitive Record Healthcare

Mid Michigan Medical Billing Service 2025 Data Breach

The Mid Michigan Medical Billing Service 2025 data breach involved the revenue-cycle and billing support company determining that an unknown person accessed its IT network March 27, 2025 and copied…

28.2 Thousand
Affected People
13
Data Types
Medium
Severity
Yes
Verification

Exposed Data Types

13
Names
Dates of birth
Driver’s license or government-issued identification numbers
Medicare or medicaid identification numbers
Diagnosis and treatment information
Medical record or patient account numbers
Health insurance information
Payment card numbers
Employer identification numbers
Passport numbers
Treating or referring provider names
Biometric data
Social security numbers in limited circumstances

Additional Information

Added DateJuly 27, 2026
Breach DateMarch 27, 2025
Domainmmmbs.net
Last Content UpdateJuly 27, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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