Nephrology Associates Medical Group Alerts Patients About Recent Data Security Breach

On February 27, 2026, Nephrology Associates Medical Group (NAMG) from Riverside, California, announced that they recently identified a data security event that might have jeopardized the protected health information (PHI) of numerous patients. The incident initially came to light on December 2, 2025, when NAMG began investigating suspicious activities detected within their network. This was followed by a comprehensive security assessment, which confirmed unauthorized access by an unidentified party to their systems.

The cybersecurity investigation concluded that various patient records had been affected, potentially exposing sensitive information like names, Social Security numbers, dates of birth, medical history, health insurance details, treatment information, and billing records. However, NAMG assured that as of now, they have yet to find any evidence indicating that this information has been misused.

In response to the incident, Nephrology Associates has proactively reached out to the impacted patients to inform them about the breach and provide resources to help with any concerns. They have urged affected individuals to review the suggested recommendations thoroughly, including visiting their official website for further information.

Safety and patient confidentiality are critical priorities for Nephrology Associates, so they are implementing several new measures to fortify their network security. Initiatives include instituting stronger password protocols, increasing the frequency of necessary password updates, limiting access permissions, and ensuring that older records are stored offline to minimize the risk of future breaches.

Furthermore, the organization has established a dedicated toll-free call center, staffed Monday through Friday, from 6:30 AM to 3:30 PM PT. This center will address any inquiries related to the incident and help patients navigate any potential impact on their personal information. Patients can reach the call center at (844) 443-1521.

Nephrology Associates is deeply sorry for any disturbance or unease that this incident may have caused among its patients and remains committed to protecting their personal and health-related data. The situation underscores just how vital it is for healthcare organizations to remain vigilant and proactive in safeguarding sensitive data against increasingly sophisticated cyber threats. As this landscape continues to evolve, ongoing efforts to enhance data security protocols will be imperative in maintaining trust and integrity in the healthcare services provided.

In summary, those who may be affected by this incident should remain alert and consider taking appropriate steps to protect their information. Nephrology Associates is dedicated to supporting their patients through this challenging time and ensuring that necessary actions are taken to avert similar incidents in the future.

For more information, visit Nephrology Associates' website at https://namg.net/.

This data security incident serves as a reminder of the importance of protecting sensitive health information in today’s digital age. As medical groups like Nephrology Associates strive to improve patient care, they must simultaneously bolster their cybersecurity measures to protect against potential threats.

Topics Health)

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