The biggest mistake people make on GLP-1 medications
Not eating enough sounds like a win — but it could be quietly working against you. Here's what I tell every patient.
Read More →Hi, I'm Dr. Mimi Tan — a double board-certified bariatric surgeon and obesity medicine physician. I'm here to cut through the noise and give you honest, evidence-based information about weight health.
Whether you're considering surgery, exploring medication options, or just want real answers — I'm here for you.
Personalized evaluation for bariatric/metabolic surgery, including sleeve gastrectomy and gastric bypass. Available in person in Seattle, WA or via telehealth.
Book a Consult →Explore the endoscopic sleeve gastroplasty. A great fit for patients looking for effective intervention without going under the knife. Available in person in Seattle, WA or via telehealth.
Book a Consult →Expert-guided treatment with GLP-1s and other evidence-based obesity medications, personalized to your health goals. Available in person in Seattle, WA or via telehealth.
Book a Consult →Not eating enough sounds like a win — but it could be quietly working against you. Here's what I tell every patient.
Read More →As a physician who prescribes both, here's my honest breakdown of semaglutide medications for weight management.
Read More →One patient's journey from reluctant consideration to thriving after bariatric surgery.
Read More →My honest pre-op checklist — what actually matters versus what you'll stress about unnecessarily.
Read More →"Dr. Tan is incredibly knowledgeable, but also very approachable and easy to talk to. Appointments feel more like productive conversations with someone who genuinely wants to help you succeed. She has been great about focusing on protein intake, preserving muscle, realistic goals, and long-term success."
"Everyone from check in to check out is amazing. I went in for medical weight loss. Dr. Tan is very knowledgeable and personable. Highly recommend."
"Dr. Tan at Eviva was fantastic to work with in explaining my options for medicated weight loss support and made the process extremely easy. We came up with a plan for my unique goals and circumstances while breastfeeding and I am extremely happy with my progress thus far."
"I had my gastric sleeve surgery with Dr. Tan and the team at Eviva one month ago, and I couldn't be more grateful for the care and support I received throughout this life-changing experience. From the very beginning, the process was clear, compassionate, and extremely professional. Dr. Tan took the time to explain everything in detail, answer all my questions, and made me feel completely confident in my decision."
I'm Dr. Mimi Tan — a bariatric surgeon and obesity medicine physician who believes every patient deserves honest, compassionate, evidence-based care. I created this space to share real information about weight health without the shame, confusion, or fads.
My goal is simple: give you the information to make the best decision for your life and get you on your way to living your best and fullest life.