Meet Our Weight Loss Doctors

We are medical weight loss doctors with a passion for healthy living. We understand what it takes to achieve and maintain a healthy lifestyle and have extensive experience helping people achieve weight loss success.

 

Robert Ziltzer, MD, FACP, FAAP, FOMA

Robert Ziltzer, MD, FACP, FAAP, FOMA

Obesity Medicine Certified Physician

Founder and Managing Member

Dr. Robert Ziltzer has been practicing medicine in Scottsdale for over 20 years. He is board certified in Obesity Medicine. Dr. Ziltzer is frequently named one of Phoenix Magazines “Tops Doc’s” as well as Scottsdale 101 Magazines “Top 101 Doctors.”
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Craig Primack, MD, FACP, FAAP, FOMA

Craig Primack, MD, FACP, FAAP, FOMA

Obesity Medicine Certified Physician

Founder and Managing Member

Dr. Craig Primack is a native of Chicago, and has been practicing medicine in Arizona since 1997. He is board certified in Obesity Medicine, Internal Medicine and Pediatrics, and is considered one of Phoenix Magazines “Top Doc’s,” and Scottsdale 101 Magazine’s “Top 101 Doctors.” [Read more]

Dr. John deGuzman

Dr. John De Guzman

Obesity Medicine Certified Physician

Dr. de Guzman had been treating patients for chronic health issues including high blood pressure, high cholesterol, diabetes, heart disease, and joint pain for years in his former internal medicine practice.
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Diana Bone

Diana Bone, FNP-C

Specializing in Obesity Medicine

Diana Bone’s expertise and compassion will help you achieve your goal weight. Diana has been treating patients with chronic diseases such as diabetes, high blood pressure, heart disease, fatigue and depression for 20 years.
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Cally Smith

Cally Smith, FNP-C

Specializing in Obesity Medicine

Cally Smith has a passion for weight loss and empowering patients to feel their best. She understands the impact that weight loss has on high blood, pressure, diabetes, chronic pain, and heart disease.
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