Ambulatory Surgery Centers Industry

Direct Answer

Ambulatory surgery centers are outpatient facilities where surgeons perform procedures that do not need a hospital stay, such as orthopedic, eye and gastrointestinal work. They earn fees per case from insurers and Medicare and compete on lower cost and physician ownership.

Industry Overview

Ambulatory Surgery Centers sits within the health care sector. The first numbers to compare across companies here are same-facility case volume, revenue per case and payer mix and operating margin per center. The outside forces that move them are listed under Primary Macro Drivers.

Key Industry Metrics

• Same-facility case volume: Number of surgical cases performed at centers open in both periods. Rising volume without new centers suggests procedures are shifting from hospitals; a fall can point to lost surgeons or payer limits.
• Revenue per case and payer mix: Average fee collected per procedure and the split between commercial insurers and Medicare. A richer commercial share lifts revenue per case, while a higher Medicare share usually pulls it down.
• Operating margin per center: Profit left from a center's case revenue after supplies, staff and facility costs. Compare mature and newly opened centers, since new sites run below mature ones while they build volume.
• Physician partner retention: Share of surgeon-owners and referring physicians who stay with the center year to year. Surgeons bring the cases, so steady retention supports volume and falling retention can precede lost cases.
• Acquisitions and de novo openings: Count of centers bought or built from scratch in a period. Growth that comes mostly from purchases is paid for with cash or debt, so compare it with same-facility volume to see underlying demand.

Primary Macro Drivers

• Shift of procedures from hospitals to outpatient sites: Payers and surgeons move suitable cases out of hospitals to cheaper outpatient sites, which lifts same-facility case volume and gives centers more cases to price with insurers.
• Medicare coverage lists for surgical procedures: When Medicare adds a procedure to the list approved for outpatient centers, surgeons can perform it there, which widens the mix of cases and the revenue per case once volume shifts.
• Aging population and elective volumes: Older patients need more joint, eye and digestive procedures, many of them scheduled, so demand appears as steady case volume growth rather than emergency-driven swings.
• Commercial insurer contract rates: Negotiated commercial rates set revenue per case and payer mix, so a rate gain or loss flows straight into operating margin per center.

Major Risks

• Reimbursement cuts or site-neutral payment rules: Lower outpatient payment rates reduce revenue per case and center margin; analysts watch annual Medicare payment proposals and revenue per case against cost per case.
• Physician recruitment and labor costs: Surgeon partners and nurses are scarce, so losing partners lowers case volume while wage increases lift cost per case; watch partner retention and labor cost per case.
• Competition from hospital outpatient departments: Hospitals that pull cases back into their own outpatient departments take volume and referrals from centers; watch same-facility case volume and partner retention.
• Debt-funded acquisition pace: Buying centers with borrowed money adds interest cost and integration risk; watch debt relative to earnings and whether acquired centers reach their expected case volume.

Industry Characteristics

Companies Associated with Ambulatory Surgery Centers

The SEC's Standard Industrial Classification has no code that describes ambulatory surgery centers as a group, so there is no complete list of its filers. The companies below come from Swoopr's SEC dataset and have operations in or next to the industry. Each is classified by the SEC under its own main business.

Source: each company's own annual report as filed with the SEC (XBRL data), figures in U.S. dollars. Listing here describes a business relationship to the industry, not a recommendation. To find more companies, use the company directory and the health care hub.

Where to Go Next

The Ambulatory Surgery Centers guide describes how the industry earns money, what to measure and what can go wrong. To see how it compares, read the neighbouring industries in the same sector, then apply the same checks to a specific company.

More in Health Care

• Health Care sector overview
• Animal Health
• Wound Care
• Antibody Therapeutics
• Women's Health Pharmaceuticals
• Behavioral Health Providers
• Veterinary Services
• Bioinformatics
• Vaccines

Put it to work

• How to analyze a stock
• Fundamental analysis guides
• Company research
• All industries

Frequently Asked Questions