Who We Are

A Team Devoted to the Whole You.

EnvoqueMD brings together collaborative experts dedicated to your well-being — integrating modern medicine with sound nutrition, movement, and education.

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Our mission is to address the whole person by integrating different modalities in a safe, effective, supportive environment. Each of our skilled practitioners has years of experience helping people just like you reach their health goals — and we look forward to partnering with you on yours.

Our Team

Physician-Led, Patient-Centered.

PHOTO · Jacqueline Olson portrait

Jacqueline Olson

Founder · Wellness Expert

As an entrepreneur and wellness expert, Jacqueline helped pioneer the use of medical-grade, doctor-administered HCG here in Arizona. Her innovation and energy helped build one of the Valley's most comprehensive and successful wellness clinics.

Jacqueline has been featured in numerous magazines and websites, and has appeared as a regular guest on NBC, FOX, ABC, and other outlets as an expert on weight loss and wellness.

Dr. Elisabeth Peffley, NMD

Thyroid · Hormone · Weight Loss · Aesthetics

With over ten years of experience in the medical field, Dr. Peffley specializes in thyroid and hormone optimization, wellness, weight loss, and aesthetics. She believes in individualized, patient-centered care, pairing clinical expertise with a personalized approach.

Outside of practice, Dr. Peffley enjoys time with her family, martial arts, basketball and soccer, reading, and movies — moments shared with friends and loved ones.

PHOTO · Dr. Elisabeth Peffley, NMD portrait
PHOTO · Dr. Teresita Barrantes, NMD portrait

Dr. Teresita Barrantes, NMD

Women's Health · Hormones · Naturopathic Medicine (Bilingual EN/ES)

Dr. Barrantes is a naturopathic physician practicing in Arizona, with training that began at the University of Costa Rica in San José.

She believes in a holistic approach to care — treating the whole individual and addressing not only symptoms but their root cause — and is dedicated to helping patients achieve their best health.

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