Solutions Not Stigmas Act of 2023 This bill permits the Health Resources and Services Administration to establish a grant program for health professional schools or training programs to develop curricula in substance use disorder treatment or chronic pain education. Among other issues, the curricula must address (1) the reduction of stigma and bias associated with substance use and chronic pain, (2) prevention and early intervention for unhealthy substance use, and (3) best practices for prescribing addictive substances.