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Anthony William

Anthony William Coviello, known professionally as Anthony William and as the Medical Medium, is an American author and self-described medium who promotes alternative health advice.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Anthony William Coviello (born 1971), known professionally as Anthony William and the Medical Medium, is an American author and self-described medium who promotes alternative health advice. He claims to receive health information from a spirit and has written multiple books on chronic illness, detox, and nutrition. His work is widely described as pseudoscientific by critics and media outlets.

Early life and identity

Anthony William Coviello is reported by secondary sources as being born in 1971 and is professionally known as Anthony William or the Medical Medium. He is described as an American writer and self-styled medium.

Medical Medium teachings

William says he receives health information from a spirit he calls the Spirit of Compassion and uses it to advise people about illness and recovery. His teachings include detox practices, celery juice, and claims about hidden causes of chronic disease.

Books and media presence

William has authored several books and has promoted his ideas through his own website and appearances in wellness media. Sources identify him as a bestselling author and note his association with celebrity wellness circles.

Reception and criticism

His advice has been criticized by doctors, journalists, and science communicators as lacking evidence and in some cases potentially harmful. Coverage has also noted that he is not a licensed medical professional.

Key facts

  • Anthony William uses the professional name Anthony William and alias Medical Medium.
  • He presents health advice as coming from a spirit or higher source.
  • He has written multiple books on chronic illness, detox, and nutrition.
  • Critics describe his claims as pseudoscientific and lacking evidence.
  • He is not a licensed medical professional.
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Canadian context

Canadian readers may encounter Anthony William through wellness media, social platforms, and book retail channels, and his claims have been discussed by Canadian science and health communicators as examples of evidence-free health advice.

Frequently asked questions

Who is Anthony William?
Anthony William is an American author and self-described medium known as the Medical Medium, who promotes alternative health advice based on spiritual communication.
Why is he called the Medical Medium?
He says he receives health information from a spirit and presents that information as medical guidance.
What is he known for?
He is known for books and online content about chronic illness, detox practices, nutrition, and celery juice.
Is he a licensed medical professional?
No. Coverage and his own disclaimer language state that he is not a licensed doctor or other formally licensed healthcare professional.
What are some of his most notable claims?
He has promoted celery juice and other detox-style practices and has claimed that a spirit provides him with health information.
How is his work viewed by critics?
Critics commonly describe his health claims as pseudoscientific and not supported by scientific evidence.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Anthony_William
    Supports: Identity, professional name, self-described medium status, books, and celery juice claims
  2. BBC Newshttps://www.bbc.co.uk/news/blogs-trending-49763144
    Supports: Celery juice coverage, lack of medical qualifications, and public criticism
  3. Vanity Fairhttps://www.vanityfair.com/style/2023/04/the-medical-medium-and-the-true-believer
    Supports: Disclaimers, self-described spiritual guidance, and criticism of his claims
  4. Amazonhttps://www.amazon.com/stores/Anthony-William/author/B01062IX0K?isDramIntegrated=true&shoppingPortalEnabled=true
    Supports: List of books and author branding
  5. Amazonhttps://www.amazon.com/Medical-Medium-Secrets-Chronic-Mystery/dp/1401948294
    Supports: Book title and description of his claims