# Billing

Part of the [Sandwich](https://www.joinsandwich.com) directory — 11 channels for families navigating billing.

## Channels

### [Bookkeeping](https://www.joinsandwich.com/nb/bill-bookkeeping)

Medical expense bookkeeping and tracking

### [Medical Navigation](https://www.joinsandwich.com/nb/bill-navigation)

Navigating the medical billing system

### [Medical Debt and Collections](https://www.joinsandwich.com/nb/bill-debt)

Dealing with medical debt and collection agencies

### [Surprise Billing](https://www.joinsandwich.com/nb/bill-surprise)

Surprise medical bills and the No Surprises Act

### [Out of Network Bills](https://www.joinsandwich.com/nb/bill-oon)

Managing out-of-network medical bills

### [Financial Assistance](https://www.joinsandwich.com/nb/bill-assistance)

Hospital financial assistance and charity care programs

### [Ambulatory Surgical Centers](https://www.joinsandwich.com/nb/bill-asc)

ASC billing and cost comparison

### [Hospitals](https://www.joinsandwich.com/nb/bill-hospitals)

Hospital billing practices and price transparency

### [Appeals](https://www.joinsandwich.com/nb/bill-appeals)

Appealing denied claims and medical bills

### [Medical Bills](https://www.joinsandwich.com/nb/bill-medical)

Understanding and negotiating medical bills

### [Medical Billing Expert Witness](https://www.joinsandwich.com/nb/bill-expert)

Expert witness services for medical billing disputes and litigation


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Canonical: https://www.joinsandwich.com/c/billing