National Eating Disorders Association (NEDA)
They provide plenty of information such as warning signs and symptoms, treatment options, prevention, and where you can find help.
https://www.nationaleatingdisorders.org/
Center for Discovery
National Association of Anorexia Nervosa and Associated Disorders
The Recovery Village Ridgefield
Based in Ridgefield, WA, The Recovery Village offers different treatment options for drug and alcohol abuse, which can coincide with eating disorders. Their phone number is 877-701-4907.
https://www.ridgefieldrecovery.com/treatments/co-occurring-disorders/eating-disorders/
Drugrehab.com
If you’d like a comprehensive overview of anorexia; what are some of the causes, what are the symptoms and treatment options. Here’s a link to get you started: https://www.drugrehab.com/co-occurring-disorder/eating-disorders/anorexia/