Discover Your Options from the Leaders in Diabetes Treatment


Meet the Doctors

Dr. Tim Collins, D.C.

Coming from a family of ministers and computer software analysts, Dr. Collins knew he wanted to be either a minister or computer software analyst. Instead, Dr. Collins ended up being a chiropractor, which explains why he shows such passion and concern for helping his patients live healthy lives.

Dr. John Simmonds, M.D.

Dr. Simmonds received his medical degree from Howard University College of Medicine, graduating in the top of his class with honors. He later trained in orthopedic surgery at The Mount Sinai Hospital in New York City and Martin Luther King Medical Center in Los Angeles where he received exceptional training, insight, and intellect into treating multiple common and complex orthopedic and medical conditions.

Bridget Jemison, P.A.

P.A. Jemison was born in Los Angeles to wonderful loving parents who encouraged her to continuously strive to be her best each day. She graduated from a magnet silver seal high school and received her bachelor of science degree in biology from Cal State Dominguez. She then went on to graduate from the post-baccalaureate program for physician assistant at Charles Drew University of Medicine and Science.

Denise Guzzardo, P.A.

P.A. Guzzardo received her bachelor of arts degree in psychology from the University of Central Florida in 2006. She continued her education, receiving her master’s degree in medical science from Nova Southeastern University in 2008.

Joy Griffin, Weight Loss Director

Joy earned her bachelor’s degree in liberal arts from California State University of Northridge where she minored in health science. She holds teaching credentials in the state of California, which allows her to thoroughly educate each of her patients on how to modify their diet and lifestyle to best accommodate their weight loss goals.

Sophia Marcetti, Clinical Nutritionist

Sophia attended Pontificia Universidad Catolica del Ecuador where she earned her bachelor of science degree in nutrition. With the hopes of advancing her degree, she decided to move to the United States.


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Helping patients reverse diabetes, hypothyroidism, and autoimmune conditions.

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The Doctor’s Book

The Diabetic Shift

The Diabetic Shift Book

The clinical model that Shifted the diabetic paradigm and turned it upside-down.

This book will allow you to discover how others have been able to reverse their diabetes, reduce and eliminate drugs and insulin, lose weight without exercise, reduce and eliminate risk factors for diabetic complications and even become non-diabetic.

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