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When Two Medical Files Become One

In Valdes’ case, the error was more severe than duplication. Her file was fully merged with another patient’s record, creating what experts describe as a “record overlay.”

Most patients are unaware this type of error can occur—or how difficult it can be to detect without careful review.

Patients Urged to Check Insurance and Medical Records

After insured care, patients receive an Explanation of Benefits (EOB), which outlines what insurers paid and what patients may owe. While not a bill, it can reveal mistakes such as duplicate charges or incorrect services.

Under federal law, patients have the right to access and correct their medical records, even if bills are unpaid. Providers must respond to correction requests within 60 days, with a possible 30-day extension, and notify other institutions if changes are made.

Health records can be requested through providers directly or via patient portals. Experts advise patients to carefully check for incorrect names, addresses, or medical histories, as well as inconsistent diagnoses.

Incorrect or mismatched personal details—such as unfamiliar contact information or conflicting medical histories—may signal deeper record errors or overlays.

Resolution After Public Attention

In Valdes’ case, no fraud was involved, but the consequences mirrored identity-related medical errors. With assistance from media coverage, the issue was eventually corrected and the records separated.

Her experience underscores how a small administrative mistake can ripple into a long-term financial and privacy burden, and why experts say vigilance may be the only protection against similar errors.