AVP (Anti-Violence Project) -- "...is the largest anti-LGBTQ violence organization in the country....empowers lesbian, gay, bisexual, transgender, queer, and HIV-affected communities and allies to end all forms of violence through organizing and education, and supports survivors through counseling and advocacy..."
Gay and Lesbian Medical Association: Health Professionals Advancing LGBTQ Equality -- originally open to "...originally open only to physicians, residents and medical students, in 2002, GLMA expanded its mission and now represents the interests of tens of thousands of LGBTQ health professionals of all kinds, as well as millions of LGBT patients and families. GLMA's membership includes approximately 1,000 member physicians, nurses, advanced practice nurses, physician assistants, researchers and academics, behavioral health specialists, health profession students and other health professionals."
Go Ask Alice -- from Columbia University.
Sexual & Gender Minority Research Office -- from the National Institutes of Health.
Veterans Health Administration: VHA LGBTQ+ Health Program - Patient Care Services -- from the U.S. Department of Veterans Affairs.