Peter Billing, MD

Bariatric Surgeon located in Lynnwood, WA & Kirkland, WA

About Dr. Billing

One of the nation’s foremost experts in bariatrics, Peter Billing, MD, FACS, serves men and women in both Lynnwood and Kirkland, Washington, with a range of weight loss solutions. As founder and owner of Transform Weight Loss, he and his dedicated team offer compassionate and customized care to anyone seeking freedom from obesity.


An industry veteran with more than 20 years of experience, Dr. Billing is heralded as an innovator and early adopter of some of the most groundbreaking bariatric and metabolic procedures. In 2008, he performed the world’s first outpatient sleeve gastrectomy.


Dr. Billing is passionate about bariatric care and uses a multimodal approach to address the biological and hormonal causes of obesity. He’s taken the lead on multiple clinical studies and has published several peer-reviewed scientific and clinical papers regarding the inflammatory/hormonal causes of obesity and innovative outpatient bariatric procedures. He is a nationally recognized thought leader in bariatric surgery.


He did his undergraduate studies at the University of California, Los Angeles (UCLA) and coauthored a sentinel scientific paper in oncology. Furthermore, he continued to do basic scientific research for several years with some of the most preeminent scientists and clinicians in the field of oncology and immunology. He went on to medical school at the University of Minnesota, Minneapolis. Afterward, he entered the general surgery residency program at the Mayo Clinic in Rochester, MN. During his time at Mayo, he became a clinical investigator and did basic and clinical research involving cell transplantation for the treatment of diabetes. He continues to have a passion for improving the treatment of diabetes and metabolic diseases.

Dr. Billing has been in private practice for almost 20 years focusing his clinical practice on hernia surgery, weight management, metabolic disease, diabetes, and innovative outpatient bariatric procedures. He is currently board-certified in general surgery, a Fellow of the American College of Surgeons (FACS) and a Fellow of the American Society of Metabolic and Bariatric Surgery (FASMBS). He started his newest company Transform to offer patients compassionate, comprehensive, and customized care. His goal is to help people get their life back.

He and his wife have been married 33 years and have nine children and three grandchildren. Dr. Billing’s personal interest include hiking, climbing, traveling, and reading classical English literature. He has hiked the John Muir Trail several times and has done dozens of backpacking trips in the High Sierra of California.


He welcomes new patients to Transform Weight Loss. To set up a consultation with Dr. Billing, call the office or use the online scheduling option.

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,  Office of Peter Billing, MD

One of the nation’s foremost experts in bariatrics, Peter Billing, MD, FACS, serves men and women in both Lynnwood and Kirkland, Washington, with a range of weight loss solutions. As founder and owner of Transform Weight Loss, he and his dedicated team offer compassionate and customized care to anyone seeking freedom from obesity.


An industry veteran with more than 20 years of experience, Dr. Billing is heralded as an innovator and early adopter of some of the most groundbreaking bariatric and metabolic procedures. In 2008, he performed the world’s first outpatient sleeve gastrectomy.


Dr. Billing is passionate about bariatric care and uses a multimodal approach to address the biological and hormonal causes of obesity. He’s taken the lead on multiple clinical studies and has published several peer-reviewed scientific and clinical papers regarding the inflammatory/hormonal causes of obesity and innovative outpatient bariatric procedures. He is a nationally recognized thought leader in bariatric surgery.


He did his undergraduate studies at the University of California, Los Angeles (UCLA) and coauthored a sentinel scientific paper in oncology. Furthermore, he continued to do basic scientific research for several years with some of the most preeminent scientists and clinicians in the field of oncology and immunology. He went on to medical school at the University of Minnesota, Minneapolis. Afterward, he entered the general surgery residency program at the Mayo Clinic in Rochester, MN. During his time at Mayo, he became a clinical investigator and did basic and clinical research involving cell transplantation for the treatment of diabetes. He continues to have a passion for improving the treatment of diabetes and metabolic diseases.

Dr. Billing has been in private practice for almost 20 years focusing his clinical practice on hernia surgery, weight management, metabolic disease, diabetes, and innovative outpatient bariatric procedures. He is currently board-certified in general surgery, a Fellow of the American College of Surgeons (FACS) and a Fellow of the American Society of Metabolic and Bariatric Surgery (FASMBS). He started his newest company Transform to offer patients compassionate, comprehensive, and customized care. His goal is to help people get their life back.

He and his wife have been married 33 years and have nine children and three grandchildren. Dr. Billing’s personal interest include hiking, climbing, traveling, and reading classical English literature. He has hiked the John Muir Trail several times and has done dozens of backpacking trips in the High Sierra of California.


He welcomes new patients to Transform Weight Loss. To set up a consultation with Dr. Billing, call the office or use the online scheduling option.


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