The U.S. healthcare system faces a significant challenge regarding patient access to primary care, driven by a shrinking pool of physicians accepting new patients and high turnover rates within medical practices. According to the Association of American Medical Colleges (AAMC), the United States could see an estimated shortage of up to 124,000 physicians by 2034, which directly impacts the ability of practices to keep their "panels"—the list of patients a doctor manages—open to new individuals.
The Mechanics of Closed Panels and Patient Access
When a medical practice "closes its panel," it means the physicians within that group are no longer accepting new patients. This decision is typically a response to capacity constraints. As noted by the American Medical Association (AMA), high levels of administrative burden and physician burnout lead many doctors to limit their patient volume to maintain the quality of care for those already enrolled.

For patients, this creates a bottleneck. When a doctor reaches a maximum caseload, they cannot safely add more patients without compromising the time spent on existing clinical needs. This leads to longer wait times for appointments and, in many cases, forces patients to seek care in urgent care settings or emergency departments, which are often less equipped to manage chronic, long-term health conditions.
Turnover and Practice Stability
High physician turnover further complicates patient access. When a doctor leaves a practice, their patients are often redistributed among the remaining staff, who may already be operating at full capacity. This creates a cycle where:
- Remaining physicians become overwhelmed by the influx of new patients.
- Administrative staff struggle to manage the transition of medical records and insurance authorizations.
- The practice is forced to close its panel to stabilize operations, further reducing the availability of primary care in the local community.
Data from the Commonwealth Fund highlights that the U.S. spends less on primary care as a percentage of total health spending compared to other high-income nations. This systemic underinvestment contributes to the instability of primary care practices, making it difficult for them to retain staff and keep their doors open to new patients.
Understanding the Impact on Continuity of Care
Continuity of care—the process by which a patient and their physician are involved in ongoing therapeutic management—is essential for managing chronic diseases like hypertension and diabetes. When panels are closed, patients are often forced to switch providers or rely on episodic care.
According to research published by the Agency for Healthcare Research and Quality (AHRQ), patients who have a consistent relationship with a primary care provider have better health outcomes and lower overall healthcare costs. The current trend of closed panels threatens this continuity, as patients may be unable to find a stable "medical home" that provides comprehensive, longitudinal care.
Frequently Asked Questions
Why do doctors close their panels?
Doctors typically close their panels when their patient load exceeds their capacity to provide safe, high-quality care. This is often influenced by administrative demands, staffing shortages, and the complexity of patient needs.
What should I do if my doctor is not accepting new patients?
Patients can contact their insurance provider to receive an updated list of in-network doctors currently accepting new patients. Additionally, some hospital systems offer centralized referral services that can help identify available providers within their network.
How does physician burnout affect my access to care?
Physician burnout leads to reduced clinical hours or physicians leaving the workforce entirely. When this happens, fewer doctors are available to see patients, which increases wait times and limits the number of open panels available in a given region.