What is Incident To Billing

Non-Physician Practitioners (NPPs) deliver services under the supervision of an expert provider. Some of them receive reimbursement for each rendered service under a supervising provider’s NPI. The staff needs to verify the situation under different circumstances, ensuring the payer’s requirements are fulfilled. Incident to billing is applicable when the non-physician practitioner renders services under the supervision of a licensed provider. Only eligible NPPs are allowed to deliver service and receive incident to service payments. Likewise, it includes detailed documentation to prove the necessity of incident-to services. Hence, the providers need to outsource medical billing services to improve financial outcomes.
In practice, incident-to billing is most commonly associated with Medicare Part B rules, and commercial payers may have different or more limited policies, so it is important to review each payer’s specific incident-to guidelines before billing.

Understanding of Incident to Billing

It refers to the type of billing in which non-physician practitioners deliver services and receive reimbursement under the supervising provider’s NPI. Non-physician practitioners are healthcare staff who work under the supervision of licensed providers. NPP includes physicians’ assistants, advanced practice registered nurses, nurse practitioners, clinical nurse midwives, and certified registered nurse anesthetists. Similarly, it is necessary to follow the incident to billing rules when submitting claims.

In incident-to billing, the billing staff submits clean claims for NPPs under the name of the supervising provider in medical billing. In addition, the supervising physician should be present in the care setting and actively participate in the patient’s care. The presence of a supervisor is not mandatory at the place of service, but must be present in the office suite. This means the physician must be immediately available in the office suite and cannot be supervised from an off-site location, such as another building or by phone only.

In addition, this type of billing is not for complex procedures but for follow-up visits, medication management, and routine examinations. The key distinction is that the visit must be part of an established plan of care initiated by the physician; even if a follow-up is complex, it can still qualify as incident-to when all requirements are met.

Key Requirements for Incident to Billing

Non-Institutional/Outpatient Setting Only

It should be rendered in an outpatient setting by the NPPs under the supervision of a licensed physician. The non-institutional setting means a place of service other than an inpatient setting, such as a doctor’s office. It should not be a skilled nursing home or hospital inpatient setting. Facility-based locations that bill under hospital or institutional POS codes typically do not qualify for incident-to billing under Medicare rules. For example, if a nurse practitioner checks a patient’s temperature in a physician’s office, the service is incident-to. On the other hand, if the patient is admitted to the hospital, it doesn’t qualify for incident to billing.

Eligible Patient and Plan of Care

When the healthcare physician examines the patient’s condition, they create a treatment plan for swift recovery. After the physician’s interaction with the patient, a non-practitioner professional checks on patients, which comes under an incident-to situation. For example, a physician diagnoses a patient with chronic high blood pressure. Afterwards, a nurse checks the patient’s blood pressure to continue the treatment plan. Hence, the nurse’s visit comes under an incident-to claim. The physician must remain involved in the ongoing management of the condition and periodically review and update the plan of care to maintain incident to eligibility.

Follow-up for Existing Problems Only

It applies only to ongoing treatment. New health conditions diagnosed during treatment are not eligible for billing in the same claim. Similarly, when a patient visits for a new health condition, the physician creates a new treatment plan to receive reimbursement. The incident to billing is for the follow-up for existing problems only. For instance, a patient with high blood pressure returns with a new symptom.

The diagnosis of this new health condition is billed separately under the licensed physician and doesn’t fall under incident-to. If the NPP independently evaluates and treats a brand-new problem without the physician first establishing a plan of care for that problem, the service must typically be billed under the NPP’s own NPI rather than as incident to.

Direct Supervision

Direct supervision is mandatory to receive reimbursement for the rendered services by a non-physician practitioner. The supervising provider must initiate the treatment to create the care plan. They should be physically present in the office during the services so that they can immediately take over in emergencies.

Under standard Medicare office-based rules, direct supervision means the supervising physician is present in the office suite and immediately available to furnish assistance and direction throughout the time the service is being performed, even if not in the same exam room.

Conclusion

Claims submitted under a supervising provider’s NPI enables non-physician practitioners to achieve consistent cash flow. Incident to billing is applicable when the supervising provider initiates the treatment after examination. Afterwards, the NPPs visit the physician’s office for follow-up appointments and routine examinations with the patient. These follow-up visits from NPPs are qualified for incident-to reimbursement.

Hence, the NPPs must deliver services in an outpatient setting because an inpatient setting is not applicable for the incident-to payments. Practices should always confirm incident-to criteria with each payer, including requirements for credentialing, supervision, plan-of-care documentation, and acceptable places of service, to avoid denials or post-payment audits.

Frequently Asked Questions

What is incident to billing?

It is the type of billing in which the billing staff submits a claim under the supervising provider’s NPI and receives timely payments. When all incident to criteria are met, the service is generally reimbursed at the supervising physician’s fee schedule rate instead of the lower non-physician practitioner rate used when the NPP bills under their own NPI.

What is the importance of the incident to billing?

It helps practices improve their cash flow from payers, such as Medicare. It allows non-physician practitioners to work under an expert supervising professional. In addition, the increase in reimbursement helps practices protect their bottom line. By correctly applying incident-to rules, practices can leverage NPPs for established patient follow-up care while maintaining physician-level reimbursement and compliance with payer regulations.

Who are NPPs in medical billing?

NPPs stand for non-physician practitioners. NPP includes physicians’ assistants, advanced practice registered nurses, nurse practitioners, clinical nurse midwives, and certified registered nurse anesthetists. However, not all payer policies treat every NPP type the same way for incident to purposes, so eligibility for incident to billing should be verified with each payer.