Doximity

Market leader in physician professional networking and healthcare marketing with over 80% penetration of U.S. physicians

Doximity is the leading professional network for U.S. physicians and healthcare professionals, often described as 'LinkedIn for doctors.' Founded in 2010, the company has built a comprehensive platform that serves over 80% of U.S. physicians, providing tools for secure communication, telehealth, clinical collaboration, and career management. The platform has become an essential infrastructure for the medical community, facilitating HIPAA-compliant messaging, digital faxing, and professional networking among healthcare providers. While not a traditional AdTech company, Doximity operates a significant advertising and marketing business within the healthcare vertical. The company monetizes its platform primarily through pharmaceutical and medical device advertising, recruitment solutions for healthcare organizations, and telehealth services. Doximity's advertising products allow pharmaceutical companies and healthcare brands to reach verified physicians with targeted campaigns, making it a critical player in healthcare marketing technology. The company went public in 2021 and has established itself as the dominant digital marketing platform for reaching medical professionals in the United States.