Opening an ambulatory surgery center (ASC) requires navigating state licensing, federal certification, facility construction, and operational planning, typically taking 18 to 24 months from initial planning to your first procedure. The process involves regulatory approvals, physical design requirements, staffing, equipment procurement, and payer credentialing, each with specific benchmarks you need to hit in sequence. Here’s what each stage looks like.
Check Whether Your State Requires a Certificate of Need
Your first step is determining whether your state has a Certificate of Need (CON) law. These laws require you to demonstrate that your community actually needs another surgical facility before you can build one. Not every state has them, but in states that do, skipping this step means your project is dead on arrival.
CON requirements vary significantly. Some states apply them broadly to any new healthcare facility, while others only trigger review for certain types of services or expenditures above a dollar threshold. The review process itself can take anywhere from a few months to over a year, and approval is not guaranteed. States like Alabama, Georgia, North Carolina, and South Carolina have been actively revising their CON programs, so check current requirements through your state health planning agency. If your state does require a CON, budget extra time at the front end of your project timeline, because you cannot begin construction or licensing until the certificate is granted.
In states without CON laws, you can move directly into the licensing and design phase, which gives you a meaningful head start.
Establish Your Business and Ownership Structure
Most ASCs are structured as limited liability companies or limited partnerships, often with physician investors who also perform procedures at the facility. This ownership model is legally viable, but it sits in a heavily regulated space. The federal Anti-Kickback Statute makes it illegal to offer or receive anything of value in exchange for patient referrals, and physician-owned surgery centers can easily cross that line if structured incorrectly.
The Office of Inspector General has established “safe harbor” regulations that protect certain ownership arrangements from prosecution. Meeting safe harbor criteria generally means that physician-investors must be in a position to refer patients and perform procedures at the center, investment returns must be proportional to ownership share (not to referral volume), and the opportunity to invest cannot be offered as an incentive for referrals. You need a healthcare attorney experienced with ASC transactions to structure your operating agreement, buy-in terms, and distribution policies so they fall squarely within these safe harbors.
At this stage, you should also secure financing. ASC buildouts commonly cost between $1 million and $5 million depending on the number of operating rooms and the complexity of your service lines. Lenders will want to see a detailed pro forma, your surgeon commitments, and a realistic case volume projection.
Design the Facility to Meet Code
Surgery center design is governed by the Facility Guidelines Institute (FGI) standards, which most states adopt into their building codes. These are not suggestions. Your architect and construction team need to know these requirements before drafting the first floor plan.
Key physical requirements include:
- Operating room size: Each standard operating room must have a minimum clear floor area of 400 square feet. If you plan to perform image-guided procedures, that minimum jumps to 600 square feet with a minimum clear dimension of 20 feet.
- Surfaces and finishes: Procedure rooms and processing areas require monolithic flooring with integral coved wall base carried up the wall at least 6 inches. Wall finishes must be washable and free of open joints or crevices to prevent bacterial harboring.
- Ventilation: Operating rooms, sterile processing areas, and recovery rooms each have specific air exchange rates and pressure relationships dictated by ASHRAE Standard 170. The types of procedures you perform will determine exact requirements for air changes per hour, temperature ranges, and humidity control.
- Sterile processing: You need a dedicated area for cleaning, decontaminating, and sterilizing instruments, with clearly separated dirty and clean workflows.
Beyond the ORs, plan for a pre-operative area, post-anesthesia care unit (PACU), nurse stations, storage, a medical records area, and patient intake and discharge spaces. Your procedure mix drives the design. An orthopedic-focused center has different spatial and equipment needs than a gastroenterology center. Finalize your service lines before signing off on architectural plans.
Obtain State Licensure
Every state requires ASCs to hold a facility license, and requirements differ by state. Typically you will submit a license application to your state’s department of health, which will review your facility plans, policies, and procedures. Most states conduct an on-site survey before granting the license, inspecting your physical plant, reviewing your written protocols, and confirming that staffing meets minimum standards.
Common requirements include written policies for patient rights, infection control, emergency procedures, quality assessment, medical records management, and discharge planning. Prepare these well before your survey date. Many applicants hire a consultant who has been through the process in their specific state to avoid delays caused by incomplete submissions or failed inspections.
Get CMS Certification for Medicare Reimbursement
If you want to bill Medicare (and most ASCs do, since it opens access to a large patient population), your facility must meet the Conditions for Coverage established by the Centers for Medicare and Medicaid Services. These federal standards cover patient safety, surgical quality, infection control, emergency preparedness, and governance. Many overlap with state requirements, but CMS adds its own layer of specificity.
Key CMS conditions include:
- Environment: The facility must be safely constructed, properly equipped, and maintained to protect patient health and safety.
- Surgical standards: Procedures must be performed by qualified physicians who have been granted clinical privileges through the ASC’s own credentialing process.
- Infection control: You must maintain a formal infection control program aimed at minimizing infections and communicable diseases.
- Emergency preparedness: You need an emergency preparedness plan that is reviewed and updated at least every two years, covering everything from natural disasters to equipment failures.
- State compliance: CMS requires that you also meet all state licensure requirements as a baseline.
CMS certification involves a survey, often conducted by your state health department acting on behalf of CMS. You can also pursue deemed status through an accrediting organization like the AAAHC or The Joint Commission, whose accreditation CMS accepts in lieu of its own survey. Many new ASCs choose this route because the accreditation process provides structured guidance and can sometimes be scheduled more quickly.
It’s worth noting that CMS regularly updates the list of procedures approved for ASC payment. As of January 2025, CMS added 32 new separately payable procedures and moved 33 previously non-payable procedures onto the covered list, including 19 dental procedures. Keep an eye on these annual updates when planning your service lines, as a newly added procedure category could strengthen your business case.
Hire Core Staff and Appoint Leadership
Federal regulations require you to designate a licensed physician as medical director. This person is responsible for implementing clinical care policies, coordinating medical care across the facility, and helping develop credentialing processes for all physicians and healthcare practitioners who will work at the center. The medical director must hold a current medical license in your state.
Beyond the medical director, your core team typically includes a director of nursing or clinical administrator who manages day-to-day operations, registered nurses trained in perioperative and post-anesthesia care, surgical technologists, a sterile processing technician, and front-office staff handling scheduling, billing, and patient intake. If you will be providing anesthesia services (most ASCs do), you need anesthesiologists or certified registered nurse anesthetists on your team or under contract.
Credentialing is a critical process that often gets underestimated. Every physician who will perform procedures at your facility needs to go through a formal privileging process where the governing body reviews their licensure, training, board certification, malpractice history, and competency for the specific procedures they will perform. Build your credentialing policies and committee structure early, because this process takes time and must be completed before your first case.
Equip the Facility
Your equipment needs depend on your specialty mix, but certain categories are universal for any surgery center:
- Adjustable surgical tables that accommodate various procedures and patient positions
- Surgical lighting systems providing optimal visibility in the operative field
- Anesthesia delivery systems with integrated patient monitoring
- Patient monitoring systems for tracking vitals during and after procedures
- Sterilization equipment (autoclaves) sized appropriately for your case volume
- Emergency resuscitation equipment including a crash cart with defibrillator, airway management tools, and emergency medications
Specialty-specific equipment layers on top of this. An orthopedic center needs power instruments, C-arm fluoroscopy, and potentially implant inventory systems. A GI center needs endoscopy towers and specialized reprocessing equipment for scopes. Budget for both the capital purchase and ongoing maintenance contracts, because equipment downtime directly translates to lost cases and revenue.
Credential With Payers Before Opening
One of the most common mistakes new ASCs make is underestimating how long payer enrollment takes. Getting credentialed with commercial insurance companies, Medicare, and Medicaid can take three to six months per payer, and you cannot bill for procedures until enrollment is complete. Start this process the moment you have your state license and a confirmed CMS certification timeline.
Each payer has its own application, and most require proof of licensure, CMS certification or accreditation, malpractice coverage, and your facility’s tax identification and NPI numbers. Some payers also conduct their own site visits. Prioritize the payers that represent the largest share of your projected patient volume and work outward from there.
Build Your Operational Foundation
Before your first case day, you need functioning systems for scheduling, electronic health records, billing and coding, inventory management, and quality reporting. CMS requires ASCs to participate in a quality reporting program, which means collecting and submitting data on specific measures related to patient safety and outcomes.
Develop a realistic ramp-up plan. Most new ASCs do not hit full case volume in the first year. A typical trajectory involves starting with a handful of cases per week and building over 6 to 12 months as surgeon schedules shift, staff gain efficiency, and word spreads among referring providers. Your financial projections should account for this ramp period, including the months of operating expenses you will incur before revenue catches up.
Run mock cases before opening day. Walk your entire team through the patient journey, from arrival and check-in through pre-op, the procedure, recovery, and discharge. These dry runs expose workflow bottlenecks, missing supplies, documentation gaps, and communication breakdowns that are far better discovered in practice than with a real patient on the table.