Pittsburgh Gastroenterology Associates 2025 Data Breach
Healthcare provider · Gastroenterology and digestive care · Specialty medical practice · USA
Pittsburgh Gastroenterology Associates Breach (2025): Patient DOB, Treatment & Insurance Data Exposed via Sinobi (No SSN)
Gastroenterology practice providing digestive health care.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
65/100
Lower riskHigher risk
High and current: recent, valuable data circulating on the dark web now.
Data Sensitivity i
ElevatedExposed data raises the risk of fraud, targeting, and impersonation. Proactive steps are warranted.
48KRecords
2025Year
The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.
Crucial data exposed
PHI / MedicalMedical Diagnosis
Breach Summary
Pittsburgh Gastroenterology Associates experienced a network intrusion around August 12, 2025, confirmed on August 28, 2025, with the Sinobi ransomware group listing it on its leak site on August 20, 2025 (about 198 GB posted). The exposed files contained first and last names, dates of birth, treatment and procedure information, and health insurance information. Per the practice, Social Security numbers and financial information were NOT involved and its electronic medical record system was not accessed. The affected count was described as "thousands"; a DataBreach.com record cites ~47,525 (unconfirmed). (NOTE: prior record listed SSN as exposed; official notice states SSNs were not involved - corrected.)
Full threat analysis, exploitation vectors, and principal guidance below.
11 additional sections · verified field analysis · defensive doctrine
Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…
48K records analyzed
About Pittsburgh Gastroenterology Associates
Pittsburgh Gastroenterology Associates is a gastroenterology and digestive-health practice in the Pittsburgh, Pennsylvania area, providing GI diagnosis, procedures (such as endoscopy/colonoscopy), and treatment. It maintains patient identity, insurance, billing, appointment, and treatment records.
Why They Hold Your Data
Specialty medical practices collect patient identity, contact details, insurance, billing, appointment, and treatment records tied to digestive and gastrointestinal care.
Recent Developments
The practice experienced a network disruption on August 12, 2025 and determined on August 28, 2025 that a threat actor had accessed and possibly exfiltrated patient files; the Sinobi ransomware group listed it on August 20, 2025 (posting ~198 GB). Notably, its electronic medical record system was not accessed, and Social Security numbers and financial data were not involved. Class-action investigations followed.
Data Points Exposed
4 verified field types
Date of Birth High
Full Name
Health Insurance
Medical Diagnosis Critical
Breach Impact
Because the exposed data centered on names, dates of birth, and treatment/procedure and insurance information, without Social Security numbers or financial data, the primary risks are medical identity fraud, insurance abuse, and GI-treatment-themed phishing rather than full identity theft. Gastroenterology procedures (colorectal, liver, bowel) carry privacy sensitivity that can support embarrassment-based or targeted scams.
Exploitation & Downstream Threats
• Medical identity fraud and insurance abuse using treatment/procedure and insurance data | • GI-treatment- and billing-themed phishing (colonoscopy, endoscopy, results) | • Embarrassment-based targeting tied to digestive-health conditions | • Identity linkage using name + date of birth
Principal Risk Advisory
What this means for a principal
A healthcare-linked breach: exposure ties a named individual to a provider relationship and, where clinical or insurance data is present, to conditions and treatment. For a high-profile principal this is targeting-grade, not merely identity-theft-grade: the combination lets an adversary locate, impersonate, or pressure the principal with little additional work.
What You Should Do
- Watch for medical-benefit fraud and health-themed phishing that references real provider relationships.
- Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.
How ObscureIQ Can Help
- Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
- Exposure mapping: cross-reference the exposed identifiers against broker-available data to size and prioritize the principal's wider footprint.
- ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
S
Threat Actor: SinobiConfidence: Low
Motivation: Unknown
A low-confidence alias without enough reliable public sourcing for a stable threat actor profile. It may be a misspelling, short-lived alias, or forum handle.
Protect Yourself
Check If You're Affected
Enter your email to check whether your data appears in this breach. We’ll send a 6-digit code to confirm it’s your address.
Get Free Breach Alerts
Be the first to know when new breaches are disclosed. Free forever — confirm your email with a 6-digit code.
High-Risk? Get an Exposure Audit
Executives, public figures, and high-visibility operators can receive tailored exposure intelligence and hardening guidance.
Request Consultation