When healthcare providers begin planning for licensing or accreditation, one of the first decisions involves choosing between an Ambulatory Surgical Center and an Office Based Surgery center. While both environments focus on outpatient procedures, they are built around very different levels of care, oversight, and operational structure.
An Ambulatory Surgical Center, often referred to as an ASC/ASF, is a fully equipped medical facility dedicated to performing surgeries that do not require an overnight hospital stay. These centers are designed for efficiency and consistency, often handling a higher volume of procedures such as joint repairs, endoscopy, or eye surgeries. ASC/ASF can apply for a deemed status accreditation through the applicable accreditation body.
An Office Based Surgery center, or OBS, operates within a physician’s existing office space. These settings are typically used for less complex procedures that can be completed safely without the need for a larger surgical environment.

Differences in Regulation and Accreditation
One of the most important distinctions between ASC/ASFs and OBS facilities is the level of regulation. ASC/ASFs must meet strict federal and state requirements, especially if they plan to accept Medicare. This includes detailed National Life Safety Code (NFPA 99/101) standards for patient safety, infection control, staffing, and facility design. Accreditation for an ASC/ASF is often a more involved process that requires careful preparation and documentation.
OBS facilities may face fewer regulatory requirements depending on the state, but they are still expected to follow established safety guidelines. Many OBS providers choose to pursue accreditation to demonstrate quality and build trust with patients, even when it is not required. However, many states are now requiring accreditation due to level of anesthesia provided to ensure the safety of the patient.
Facility Design and Staffing Needs
The physical setup of each facility also differs significantly. ASC/ASFs are built with dedicated operating rooms, recovery areas, and specialized equipment to support a wide range of procedures. They also require a larger clinical team, which may include surgeons, anesthesiologists, and trained nursing staff.
OBS centers are more streamlined. Since procedures are typically less complex, the equipment and staffing needs are often reduced. This allows for a more flexible and cost-effective setup, especially for practices focused on specific treatments.
Choosing the Right Path for Your Organization
Selecting between an ASC/ASF and an OBS model depends on the type of procedures you plan to offer, your patient population, and your long-term goals. Each option comes with its own accreditation path, timeline, and level of preparation.
Working with a knowledgeable accreditation preparation partner can make a meaningful difference. With the right guidance, healthcare organizations can move through the process more efficiently, avoid common delays, and stay focused on delivering safe and effective patient care. Contact Expedited Accreditations at (971) 429-6379 today or visit us online for more information!