Sarrell pays its employees well, and the clinics are well-equipped—some had high-end panoramic X-ray machines I’ve seen only in the swankiest of New York dental offices—but the organization also has a social justice mission “to be the national model for delivering quality and compassionate dental and eye care to underserved communities.” That affects the way it does business. In 2013, Sarrell provided about $800,000 worth of pro bono dental treatment, and as at many nonprofits, the staff are motivated by the knowledge that they’re doing good and helping poor kids. Unlike for-profit companies, Sarrell can prioritize filling the unmet need for dental care over the bottom line. Parker admitted that if finances were his chief concern, Sarrell’s clinic in rural Leesburg—the smallest in the practice, with 4,000 patient visits a year—might be considered for closure, but as a nonprofit, he can avoid that conclusion because “it wouldn’t be right for reasons of access to care.”