Was I affected by a Rocky Mountain Oncology Care data breach?

If you received healthcare services from Rocky Mountain Oncology Care, you may have been affected by one of their 2 reported breaches. Check your mail for breach notification letters, review your medical records for unauthorized changes, and use our breach checker tool to search for specific incidents.

Was my data affected by the Rocky Mountain Oncology Care breach?

If you were a patient of Rocky Mountain Oncology Care during the breach period, your data may have been compromised. Check your mail for breach notification letters. You can also contact Rocky Mountain Oncology Care directly or file a records request to verify what data was accessed.

What data was exposed in the Rocky Mountain Oncology Care breach?

Healthcare data breaches can expose names, dates of birth, Social Security numbers, medical records, insurance information, and financial data. The specific data types vary by incident. Review the breach notification from Rocky Mountain Oncology Care for details on what was compromised.

Can I sue Rocky Mountain Oncology Care for a data breach?

Whether you can bring or join a claim depends on the incident, governing law, documented harm, filing deadlines, and any court-approved settlement terms. Review current court materials and consult a licensed healthcare data breach attorney for advice about your circumstances.

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Rocky Mountain Oncology Care Data Breach History

Rocky Mountain Oncology Care has been involved in 2 reported healthcare data breaches affecting 16K patients.

How many data breaches has Rocky Mountain Oncology Care had?

Rocky Mountain Oncology Care has been involved in 2 reported healthcare data breaches affecting a total of 16K patients. The earliest breach was reported in 2025 and the most recent in 2025. Breach types include: Hacking/IT Incident. If you received care from Rocky Mountain Oncology Care, review the timeline below to check if your data may have been compromised.

WyomingHacking/IT Incident

2

Total Breaches

16K

Patients Affected

2025

First Breach

2025

Most Recent

Breach Timeline

2025

Rocky Mountain Oncology Care

2025-10-24 · Wyoming

medium

6K affectedHacking/IT IncidentNetwork Server

Protected health information (PHI) likely exposed includes: patient names, addresses, dates of birth, phone numbers, email addresses, medical record numbers, patient identifiers, health insurance policy numbers and group numbers, diagnoses and cancer type/stage information, treatment plans and medication lists, clinical notes and provider information, laboratory and imaging results, pathology reports, genetic testing results, tumor markers, treatment response data, billing records and payment history, Social Security numbers (if used for identification), and potentially banking information used for payment processing. The specific data exposed depends on what information was stored on the compromised network server and the scope of unauthorized access obtained by the attacker.

Rocky Mountain Oncology Care

2025-06-27 · Wyoming

high

10K affectedHacking/IT IncidentEmail

Based on the breach location (email systems) and the nature of oncology care, the following types of protected health information may have been exposed: - Patient names and contact information (addresses, phone numbers, email addresses) - Medical record numbers and patient identification numbers - Dates of birth and ages - Social Security numbers (if used for patient identification or billing) - Insurance information and policy numbers - Diagnosis information, including cancer types and stages - Treatment information, including chemotherapy regimens, radiation therapy plans, and immunotherapy protocols - Pathology and laboratory results - Genetic testing results and hereditary cancer information - Physician notes and clinical assessments - Appointment scheduling information and treatment dates - Billing and payment information - Emergency contact information - Medical history and comorbidity information - Prescription information - Any attachments to emails containing medical records, imaging reports, or other clinical documentation

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Check other providers in our database

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Verify accuracy after a breach

Data Source: All breach data is sourced from the U.S. Department of Health and Human Services (HHS) Office for Civil Rights (OCR) Breach Portal. Organization names are matched as reported; some entities may appear under different legal names.

Related resources

Rocky Mountain Oncology Care Data Breach History

Rocky Mountain Oncology Care has been involved in 2 reported healthcare data breaches affecting 16K patients.

How many data breaches has Rocky Mountain Oncology Care had?

Rocky Mountain Oncology Care has been involved in 2 reported healthcare data breaches affecting a total of 16K patients. The earliest breach was reported in 2025 and the most recent in 2025. Breach types include: Hacking/IT Incident. If you received care from Rocky Mountain Oncology Care, review the timeline below to check if your data may have been compromised.

WyomingHacking/IT Incident

2

Total Breaches

16K

Patients Affected

2025

First Breach

2025

Most Recent

Breach Timeline

2025

Rocky Mountain Oncology Care

2025-10-24 · Wyoming

medium

6K affectedHacking/IT IncidentNetwork Server

Protected health information (PHI) likely exposed includes: patient names, addresses, dates of birth, phone numbers, email addresses, medical record numbers, patient identifiers, health insurance policy numbers and group numbers, diagnoses and cancer type/stage information, treatment plans and medication lists, clinical notes and provider information, laboratory and imaging results, pathology reports, genetic testing results, tumor markers, treatment response data, billing records and payment history, Social Security numbers (if used for identification), and potentially banking information used for payment processing. The specific data exposed depends on what information was stored on the compromised network server and the scope of unauthorized access obtained by the attacker.

Rocky Mountain Oncology Care

2025-06-27 · Wyoming

high

10K affectedHacking/IT IncidentEmail

Based on the breach location (email systems) and the nature of oncology care, the following types of protected health information may have been exposed: - Patient names and contact information (addresses, phone numbers, email addresses) - Medical record numbers and patient identification numbers - Dates of birth and ages - Social Security numbers (if used for patient identification or billing) - Insurance information and policy numbers - Diagnosis information, including cancer types and stages - Treatment information, including chemotherapy regimens, radiation therapy plans, and immunotherapy protocols - Pathology and laboratory results - Genetic testing results and hereditary cancer information - Physician notes and clinical assessments - Appointment scheduling information and treatment dates - Billing and payment information - Emergency contact information - Medical history and comorbidity information - Prescription information - Any attachments to emails containing medical records, imaging reports, or other clinical documentation

Search All Breaches

Check other providers in our database

Request Your Medical Records

Verify accuracy after a breach

Data Source: All breach data is sourced from the U.S. Department of Health and Human Services (HHS) Office for Civil Rights (OCR) Breach Portal. Organization names are matched as reported; some entities may appear under different legal names.