Based on a broad search, there isn't one single "doctor" who has transformed the social media scene, but rather a number of medical professionals who have redefined how healthcare information is shared and consumed online. These individuals have moved beyond the traditional doctor-patient relationship to become trusted public health communicators, educators, and influencers.

Here are some examples of doctors who have had a significant impact on social media:

1. Dr. Mike Varshavski ("Doctor Mike")
Often cited as one of the most prominent medical influencers, "Doctor Mike" gained initial fame for his good looks and relatable content. However, he transformed his platform into a hub for debunking medical myths, reacting to popular health trends, and explaining complex medical topics in an accessible way. His YouTube channel, with millions of subscribers, is a testament to how a doctor can build an authentic, educational brand that resonates with a mass audience.

2. Dr. Sandra Lee ("Dr. Pimple Popper")
Dr. Sandra Lee leveraged a niche interest—pimple and cyst extractions—to build a massive following. Her content, which some might find gross but others find oddly satisfying, has not only made her a television star but also educated millions about dermatology and skin conditions. She's a perfect example of a medical professional who found a unique and captivating way to engage with her audience, turning a clinical specialty into a viral sensation.

3. Dr. Karan Rajan
A UK-based NHS surgeon, Dr. Karan Rajan has gained a huge following on platforms like TikTok and Instagram. He's known for his quick, witty, and educational videos that debunk health myths and explain everyday phenomena, from why you get a "runner's high" to the science behind snoring. His ability to deliver complex information in short, digestible, and often humorous clips has made him a leading voice in online medical education.

4. Dr. Julie Smith
A clinical psychologist and best-selling author, Dr. Julie Smith has used social media to make mental health information widely accessible. Her short-form videos on platforms like TikTok offer practical, evidence-based advice on topics like managing anxiety, setting boundaries, and coping with difficult emotions. By normalizing conversations around mental health and providing tangible tools, she has become a crucial resource for millions.

5. Dr. Kevin Pho
Dr. Kevin Pho, the founder of the popular blog KevinMD.com, is often credited with pioneering the use of social media in healthcare. He created a platform for doctors and other healthcare professionals to share their perspectives, and his work has been instrumental in shaping the conversation around healthcare policy, physician burnout, and the patient experience. His influence is rooted in his role as a curator and community builder, demonstrating the power of social media to connect and amplify professional voices.

These doctors have transformed the social media scene by:

Making medicine accessible: They break down complex medical jargon into easy-to-understand language.

Building trust: In a world of misinformation, they provide credible, evidence-based information.

Using a variety of formats: They leverage video, humor, and personal stories to connect with their audience.

Focusing on niche topics: They've found unique ways to attract an audience, from dermatology to public health.

Instead of a single doctor, it's a movement of medical professionals using digital platforms to educate, empower, and engage with the public in unprecedented ways.