Banking’s missing role in medical payment

One of the most expensive financial transactions many Americans face still lacks a real-time accountability layer.

Financial services has already built many of the patterns that could help.

Your bank can text you when someone spends $12 at a coffee shop you did not visit. It can flag suspicious activity, verify merchants, authorize payments, and maintain an auditable record of what happened.

But when a patient receives medical care, especially in a hospital setting, the financial picture often becomes visible only after the fact.

A hospital may be in-network. A physician group involved in the same episode of care may have a different payer contract. An anesthesiologist, radiologist, emergency physician, lab, or specialist may bill separately. Weeks later, the patient receives statements, explanations of benefits, adjustments, denials, and balances that require specialized knowledge to interpret.

The issue is not simply that healthcare is expensive. It is that the financial obligation is often assembled after the service has already occurred.

That is a design problem.

The bill is created across systems that do not behave like one system

When a patient enters a hospital, the care experience may feel like a single event.

The financial system behind it is not single.

It can include the hospital, contracted physician groups, insurers, benefit administrators, labs, imaging providers, pharmacies, payment processors, and multiple billing platforms. Each party may have its own contracts, codes, eligibility logic, payment rules, and timing.

From the patient’s perspective, this creates a gap between what they believe is happening and what the billing system later determines happened.

That gap is where surprise, confusion, and financial stress often begin.

The No Surprises Act addressed some of the most harmful forms of out-of-network surprise billing. That was an important step.^[1] But it did not create a real-time, unified, consumer-facing financial accountability layer at the point of care.

It reduced certain categories of surprise.

It did not redesign the transaction infrastructure.

Financial services already has useful patterns

This is where banking becomes interesting.

Financial institutions already operate in environments where identity, authorization, fraud detection, merchant verification, audit trails, settlement, dispute processes, and consumer notifications matter.

Credit card pre-authorization is a simple example. Before a charge is finalized, the system verifies that the merchant, account, available funds, and transaction parameters satisfy certain conditions.

The same design logic could be applied carefully to medical payment.

Before care creates a financial obligation, a patient-facing layer could help answer questions such as:

· Is this facility in-network?

· Are the major provider groups involved in this episode of care in-network?

· Which services are likely to create separate bills?

· What portion is likely to be covered?

· What portion may become the patient’s responsibility?

· Where is there uncertainty?

· What consent or acknowledgment is being recorded?

This would not require banks to become healthcare providers.

It would require a better accountability layer between healthcare, insurance, payment systems, and the consumer’s financial account.

AI can help, but AI is not the whole answer

AI is relevant because medical billing is probabilistic, fragmented, and context-dependent.

A real-time system would need to interpret coverage rules, historical billing patterns, provider relationships, payer contracts, clinical context, coding uncertainty, and patient-specific benefit design. AI could help model the risk trajectory before the bill becomes a surprise.

But AI alone is not enough.

The more important question is infrastructure.

Who records the authorization? Who owns the consumer-facing explanation? Who verifies the provider relationship? Who maintains the audit trail? Who is accountable when the estimate and the final bill diverge?

AI can help forecast and explain the risk. Banking and payment rails can help create the accountability record. Healthcare systems and insurers would still need to own the clinical, contractual, and coverage logic.

The opportunity is not just a smarter estimate. It is a more coordinated transaction layer.

Medical billing is becoming a consumer finance problem

Regulators are increasingly treating medical billing and medical debt as consumer financial issues, not only healthcare administration issues.^[2]

That shift matters.

Once medical billing becomes part of the consumer financial protection conversation, the design space changes. The question is no longer only how hospitals and insurers reconcile claims after the fact. It becomes how consumers are informed, protected, authorized, and supported before financial harm occurs.

That is familiar territory for financial services.

Banks, card networks, fintechs, payment processors, insurers, and healthcare platforms all have pieces of the solution. But from what I can find, there is not yet a clear pure-play category for a pre-charge, bank-native accountability layer focused on point-of-care medical payment transparency.

That may mean the problem is too hard.

Or it may mean the timing is right.

What the layer would actually do

A financial institution would not need to decide what care a patient receives. That would be inappropriate and dangerous.

The role would be narrower: identity, consent, authorization, estimate capture, auditability, notification, and consumer-facing financial accountability.

The layer would sit between the patient’s financial account and the care episode. It would not replace the insurer, hospital, or provider. It would coordinate financial visibility before the obligation becomes a surprise.

In a mature version, the patient might receive something closer to a real-time financial risk alert:

· Your facility appears in-network.

· Two provider groups are associated with this procedure.

· One has uncertain network status.

· Estimated patient responsibility is likely between X and Y.

· Here is what is known. Here is what is not known.

· Here is what you are authorizing.

That would not solve every billing issue. Emergency care, incomplete coding, changing clinical conditions, and privacy limitations would make this difficult.

But even partial visibility would be better than discovering the financial structure weeks later.

The hard parts are real

Any version of this would need to be built carefully.

Patient consent would need to be explicit. Privacy safeguards would need to be strong. HIPAA, financial data rules, payer contracts, clinical workflows, and liability boundaries would need to be respected.

The system could not delay necessary care. It could not turn medical treatment into a payment approval gate. It could not allow financial institutions to make clinical decisions. It would need clear separation between care delivery and financial accountability.

Those constraints are real.

But constraints are not the same as impossibility.

Financial services has spent decades building systems for regulated authorization, disclosure, fraud monitoring, auditability, and consumer protection. Healthcare has spent decades building systems for claims, eligibility, coding, and reimbursement.

The missing piece may be a coordination layer designed around the patient as the financial counterparty.

Who builds it?

Two things are worth tracking.

First, whether medical billing authentication and patient-facing charge transparency become part of the broader digital banking, payments, and healthcare interoperability roadmap.

Second, whether regulators continue to frame medical billing complexity as a consumer finance issue. If they do, banks, fintechs, insurers, providers, and payment networks may all have reason to participate.

The most interesting opportunity may not be a new medical billing system.

It may be a trust layer.

A layer that helps consumers understand what they are financially entering before the bill arrives. A layer that brings identity, authorization, consent, auditability, and payment accountability into one view. A layer that connects the patient’s financial life to the care they are receiving without turning banks into doctors or hospitals into banks.

The design question is simple:

Who builds the accountability layer between a patient’s financial account and the care they are receiving?

- Shish

This is a personal thought experiment on how financial infrastructure could improve healthcare payment transparency, not a critique of any specific institution or stakeholder group.

^[1] Peterson-KFF Health System Tracker, “The Performance of the Federal IDR Process through Mid-2024.” https://www.healthsystemtracker.org/brief/the-performance-of-the-federal-independent-dispute-resolution-process-through-mid-2024/

^[2] CFPB, “CFPB Estimates $88 Billion in Medical Bills on Credit Reports” (2022). https://www.consumerfinance.gov/about-us/newsroom/cfpb-estimates-88-billion-in-medical-bills-on-credit-reports/