A Denver man who traveled to Arizona for a specialized neurological evaluation at Mayo Clinic left without being seen after being told he would need to pay a $5,000 pre-service deposit, despite having provided active insurance information in advance. The episode, documented by the patient himself in a forthcoming book, ended with an arbitration finding of consumer fraud against Mayo Clinic.
Thomas E. Zordani, a systems-risk analyst with nearly three decades of experience analyzing organizational systems, benefits and compliance, said he supplied his insurance information and hundreds of pages of medical records before the April 3 appointment and was told the organization was “good to move forward.” Upon arrival, he was directed to the Business Office and informed he would not be seen unless he paid the deposit. He left without receiving the evaluation.
The following morning, Zordani found an estimate in his Mayo patient portal showing an expected patient cost of $565. The same document identified his coverage as “Self-Pay.” He had active insurance, had provided it to Mayo, and intended to use it.
Rather than treat the encounter as an isolated frustration, Zordani applied the analytical methods of his profession, tracing the outcome backward through people, processes, classifications, information and decisions. What began as a spreadsheet grew into what he calls a “legal genome”—a detailed investigative map linking dates, people, departments, insurance activity, internal notes, telephone records, estimates and legal positions, allowing him to test chronology and identify contradictions.
A pivotal discovery was a recording Mayo produced of a 2023 call Zordani did not remember making. “I was listening to my own voice in a conversation I had no memory of,” he said. “It showed me how badly my condition had affected me—and it taught me something equally important: memory was not enough. I had to follow the evidence.” From that point, source records became the benchmark, and the inquiry expanded into the architecture of the account itself: insurance eligibility, patient classification, internal notes, financial estimates and disputed communications.
Zordani describes the investigative imbalance as stark. Mayo possessed the systems, employees, internal records and institutional history; he had only what he could gather from outside, along with a growing framework for testing whether the pieces fit. Working with a small Arizona legal team, he continued building the record until the dispute reached arbitration, which produced a finding of consumer fraud against Mayo Clinic.
The case matters beyond one patient’s experience. It illustrates how a patient’s financial classification inside a complex health system can determine whether care proceeds, and how difficult it is for an individual to challenge that classification without access to internal records. Zordani’s account also underscores the value of contemporaneous documentation and recorded communications when patients dispute billing or access decisions.
“I cannot undo what happened to me,” Zordani said. “But if showing exactly how I reconstructed it helps someone else recognize when the pieces do not fit, then the investigation has value beyond my own case.”
His book, Classification: How an Insured Patient Was Made Self-Pay—and Took on Mayo Clinic and Won, is scheduled for release November 1, 2026.

