Registered Dietitian Nutritionists in Mesa, AZ

Wendy Green, RDN, CPT

Wendy was born and raised in Southern California and relocated her family to Mesa, AZ in 2003. She began her personal nutrition journey 20 years ago after struggling with her own weight issues. She believes that through nutrition, individuals can improve their quality of life and prevent or manage many chronic diseases. Wendy graduated with a Bachelor’s of Science Degree in Nutrition and Dietetics from Arizona State University and completed a supervised Dietetic Internship through Wellness Workdays which focuses on worksite wellness. Wendy has helped many individuals achieve a better quality of life through nutrition and believes in giving individuals the tools necessary to attain their goals. She is passionate about nutrition and the people she works with. When not at work, Wendy enjoys running, strength training, kayaking and spending time with her family which includes her husband, 4 children, 4 grandchildren and a dog named Sarah.

Patty Narducci, MS, RDN

Patty earned her Bachelor’s as well as her Master’s Degrees (M.S) in Dietetics at University of Arizona, and despite living in Sun Devil Territory, is an ardent U of A Wildcat fan! She has worked for school districts in Arizona and California, consulted for Arizona Department of Education and EcoLab. With more than 25 years experience working with USDA Food Programs such as National School Breakfast, Lunch, Summer Food Program, At Risk Meal Programs, and Food Distribution, menu planning, nutrient analysis and staff training are her passion. She loves assisting clients at AZ Dietitians achieve their goals and live a healthier life!

Patty is also our head of menu writing. If you are interested in having someone write your menus, please contact the office or Patty directly at [email protected].

Gissel Gonzalez, RDN

Gissel was inspired to pursue her Bachelor of Science in Nutrition and Dietetics at Arizona State University after an eye-opening conversation she had with a Dietitian. Growing up she always thought of food as the cure to our hunger and that we ate because we needed to when, food is so much more than that. Gissel hopes to inspire you to understand how food is so impactful when it comes to reaching our nutritional goals and getting you one step closer to where you want to be. Gissel is passionate about the effects that our diet has on our overall health, from helping clients improve their eating habits, to helping them prevent, treat, or manage diseases. You can find her support every step of the way. Gissel is bilingual in Spanish and is excited to work with individuals of all backgrounds. She enjoys hiking with her fiancé and two dogs, trying new foods, and traveling anytime she can.

Brittany Gill, RDN

Brittany Gill is an Arizona native, Registered Dietitian Nutritionist, and soon-to-be Certified Life Coach with a variety of experiences in medical nutrition therapy, nutritional counseling, and goal setting for an empowered lifestyle change. Brittany completed her Bachelor of Science degree from the University of Arizona in Nutritional Sciences with an emphasis in Dietetics and has since demonstrated her expertise throughout the greater Phoenix area. Brittany is known for her ambition and pursuit of personal evolution, illustrated through her departure from high-level leadership to pursue a passionate career in mental health, self-acceptance, and emotional wellbeing. Brittany specializes in disordered eating, body acceptance, and empowered lifestyle change, demonstrated through her current roles in residential eating disorder treatment and private practice consulting.

Brittany is an enthusiastic and engaging educator who enjoys teaching her clients holistic approaches to health and disease management using “food as medicine” and “nutrition as self-care” principles. If you nourish your body, you nourish your life. Brittany aspires to reform diet culture and cultivate a health-conscious, body-positive environment that celebrates each client’s authenticity. Brittany believes there is no “one size fits all” approach to health and happiness and enjoys creatively assisting her clients in meeting their life goals, healing their relationship with body image, and helping them become the best versions of themselves. In her free time, Brittany centers herself with mindful practices such as journaling, yoga, and meditation.

Patricia Johnson, MS, RDN, SNS

Patricia is the proud daughter of a 30 year career Marine and grew up all over the United States. Her father retired in San Diego and she considers that her hometown. She’s been a resident of Arizona for over 25 years and is a graduate of Arizona State University for both her bachelors and master’s degrees in nutrition and Dietetics (Go Sun Devils!!). Her primary field of practice was in community dietetics first for the AZ Dept of Education (ADE) working in various USDA nutrition programs from National School Lunch and Breakfast to Summer Food and then for a nonprofit school education program. Engaging and motivating students to adopt a healthy lifestyle was incredibly rewarding work and led her to teach nutrition at the college level. She loves the interaction with students and clients to make the exciting world of health and nutrition understandable, relevant, and attainable. Nutrition is such a fascinating topic and can often be confusing and difficult to understand. That’s the challenge she enjoys helping people tackle.

In her spare time, Patricia enjoys time with her husband, grown daughters and new grandson as well as the family pup, Piper who ensures the family gets out on daily walks or swims. She also enjoys cooking and trying new recipes to share with friends and family, as well as playing the piano (not very well, but it’s fun), reading and crafting.

Macy Hales, RDN

Macy is a native to Mesa, AZ and is happy to have returned to her hometown after many years of living in UT to complete her education.

Macy studied Nutrition and Dietetics at Brigham Young University where she was President of the student dietetics association and received her bachelors degree in 2022. She also completed an internship working in New York City with a chef and dietitian that helped spark a huge love of cooking and meal planning. Then, Macy worked as a private chef for people with various dietary restrictions and needs. She then completed a Dietetic Internship from Utah State and worked in various clinics in Salt Lake City.

Macy believes that good nutrition can improve quality of life in every aspect. Macy is skilled in many aspects of nutrition counseling and takes a functional approach to her guidance. She especially enjoys working with athletes and helping them maximize their potential with a fueled body.

In her free time, Macy enjoys learning more about culinary arts, traveling around the world, a good shopping trip, and spending time with her husband, family, and friends.

Tabatha Stevens, RDN, MS

​Tabatha Stevens is a dedicated wife and mother to five children, who have been lovingly raised in the heart of Arizona. She is an alumna of Arizona State University, where she earned her Master’s degree in Obesity Prevention and Management. Tabatha has a passion for creating recipes and cooking new foods with her children, a hobby that reflects her deep commitment to nurturing healthy eating habits within her family.

Professionally, Tabatha serves as the Didactic Program Director and a Professor of Nutrition at Grand Canyon University. She finds great joy in engaging with students and guiding the next generation of dietitians. Her early career was focused on public health, with an emphasis on family, women, and childhood nutrition concerns. Tabatha’s approach to teaching and counseling is rooted in her rich experience and dedication to addressing the diverse nutritional needs of her community.

Tabatha enjoys meeting with clients to learn about their lives and goals, helping them understand how nutrition fits into their overall lifestyle. She loves coaching clients through the challenges and triumphs that can accompany lifestyle changes.

In her spare time, Tabatha likes to kayak, visit national parks, and hike, embracing the beauty of the outdoors. She regularly participates in half marathons, where she is never the fastest, but always finishes, embodying her commitment to perseverance and personal growth.

Diana Aguilera, MS, RDN

Diana earned her Bachelor of Science degree in Dietetics from Arizona State University and completed her Master degree (M.S) and dietetic internship at the University of Washington in Seattle, Washington. This part of her professional journey at the University of Washington provided Diana with a deeper understanding of social determinants of health and barriers to accessing proper healthcare which can be barriers to people’s health and wellness goals. Diana’s passion is centered around helping those who struggle with disordered eating and eating disorders. Diana began her career as a bilingual (Spanish) dietitian at a local community clinic before finding a position where she could pursue her passion of helping people who suffer from eating disorders. Diana has experience working at the inpatient and residential level of care in the field of eating disorders. Now, with AZ Dietitians, Diana is excited to continue helping patients of all backgrounds achieve their health and wellness goals at the outpatient level of care. Diana likes to approach health and wellness through a weight neutral and inclusive lens.

In her free time, Diana likes to spend time with friends and family trying new restaurants or spending quality time together. Diana also enjoys spending time outdoors at the local trails, visiting national parks, or training for races in different distances from 5ks to half marathons.