Nutritionists and Dietitians in Oklahoma

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Photo of Ashlee Hancock, Nutritionist/Dietitian, MS, RDN, LDN
Ashlee Hancock
Nutritionist/Dietitian, MS, RDN, LDN
3 Endorsed
Serves Area
Ashlee is a registered dietitian with a passion for helping clients build healthier lives through nutrition. She chose dietetics to support individuals in creating sustainable habits while feeling guided and supported throughout their journey. With both personal and professional experience in eating disorder recovery, this population is especially close to her heart. Ashlee is dedicated to helping clients develop a positive relationship with food and their bodies using compassion, evidence-based care, and lived experience.
Ashlee is a registered dietitian with a passion for helping clients build healthier lives through nutrition. She chose dietetics to support individuals in creating sustainable habits while feeling guided and supported throughout their journey. With both personal and professional experience in eating disorder recovery, this population is especially close to her heart. Ashlee is dedicated to helping clients develop a positive relationship with food and their bodies using compassion, evidence-based care, and lived experience.
(515) 375-7850 View (515) 375-7850
Photo of Rachel Donnellan, Nutritionist/Dietitian, RDN
Rachel Donnellan
Nutritionist/Dietitian, RDN
Online Only
My ideal clients are individuals seeking a sustainable, whole-health approach to nutrition that supports strength, mobility, and overall wellness. They often feel frustrated by restrictive diets or advice that doesn’t fit their lifestyle and want realistic, personalized support. I use a functional nutrition approach rooted in evidence-based care and focused on building lasting habits. Together, we create practical strategies that build on what’s already working, helping clients feel stronger, more confident, and supported in their everyday lives.
My ideal clients are individuals seeking a sustainable, whole-health approach to nutrition that supports strength, mobility, and overall wellness. They often feel frustrated by restrictive diets or advice that doesn’t fit their lifestyle and want realistic, personalized support. I use a functional nutrition approach rooted in evidence-based care and focused on building lasting habits. Together, we create practical strategies that build on what’s already working, helping clients feel stronger, more confident, and supported in their everyday lives.
(872) 253-6146 View (872) 253-6146
Photo of Jessica Vandergriff, Nutritionist/Dietitian, MS, RD, RDN, LD, LDN
Jessica Vandergriff
Nutritionist/Dietitian, MS, RD, RDN, LD, LDN
Serves Area
Jessica’s ideal clients are individuals seeking support with diabetes management, heart health, healthy aging, and overall wellness. Many come to her feeling overwhelmed, stuck, or unsure how to improve their health in a sustainable way. Using an integrative, functional medicine approach, Jessica helps clients understand how food choices affect how they feel, identify possible root causes, and build a realistic plan that supports lasting progress.
Jessica’s ideal clients are individuals seeking support with diabetes management, heart health, healthy aging, and overall wellness. Many come to her feeling overwhelmed, stuck, or unsure how to improve their health in a sustainable way. Using an integrative, functional medicine approach, Jessica helps clients understand how food choices affect how they feel, identify possible root causes, and build a realistic plan that supports lasting progress.
(312) 872-4780 View (312) 872-4780
Photo of Nicole Ortiz, Nutritionist/Dietitian, RDN, LD, MCN
Nicole Ortiz
Nutritionist/Dietitian, RDN, LD, MCN
Online Only
My ideal clients are individuals seeking support for disordered eating, eating disorders, gastrointestinal health, diabetes, and overall wellness. They often feel overwhelmed by nutrition information or stuck in restrictive patterns and want a more balanced, sustainable approach. I provide evidence-based, bilingual (English and Spanish) care that is practical and personalized. Together, we focus on building realistic habits, improving health, and creating long-term change in a supportive, non-judgmental space.
My ideal clients are individuals seeking support for disordered eating, eating disorders, gastrointestinal health, diabetes, and overall wellness. They often feel overwhelmed by nutrition information or stuck in restrictive patterns and want a more balanced, sustainable approach. I provide evidence-based, bilingual (English and Spanish) care that is practical and personalized. Together, we focus on building realistic habits, improving health, and creating long-term change in a supportive, non-judgmental space.
(708) 377-9487 View (708) 377-9487
Photo of Jody Halouska, Nutritionist/Dietitian, RD, LDN, CDCES
Jody Halouska
Nutritionist/Dietitian, RD, LDN, CDCES
Serves Area
Jody is a passionate advocate for health, wellness, and feeling your best. Jody is committed to empowering individuals to make positive and sustainable lifestyle changes. Jody strives to provide personalized guidance to help clients achieve their health goals and create a harmonious relationship with food. Recognizing that each individual's relationship with food is unique, Jody works to create a supportive and non-judgmental environment where clients feel empowered to explore their dietary preferences, navigate challenges and cultivate sustainable habits that align with their goals and values.
Jody is a passionate advocate for health, wellness, and feeling your best. Jody is committed to empowering individuals to make positive and sustainable lifestyle changes. Jody strives to provide personalized guidance to help clients achieve their health goals and create a harmonious relationship with food. Recognizing that each individual's relationship with food is unique, Jody works to create a supportive and non-judgmental environment where clients feel empowered to explore their dietary preferences, navigate challenges and cultivate sustainable habits that align with their goals and values.
(872) 259-7074 View (872) 259-7074
Photo of Samantha Johnson, Nutritionist/Dietitian, RDN, LDN, MPH
Samantha Johnson
Nutritionist/Dietitian, RDN, LDN, MPH
Online Only
My ideal clients are individuals seeking compassionate, inclusive nutrition support that considers the whole person, not just food choices. They may feel unsupported in traditional healthcare settings or want a more sustainable, non-restrictive approach to health. I provide a safe, judgment-free space using a Health-at-Every-Size (HAES), trauma-informed, and evidence-based approach. Together, we focus on realistic changes, adding supportive habits, and creating sustainable health goals that feel good in their body and fit their lived experience.
My ideal clients are individuals seeking compassionate, inclusive nutrition support that considers the whole person, not just food choices. They may feel unsupported in traditional healthcare settings or want a more sustainable, non-restrictive approach to health. I provide a safe, judgment-free space using a Health-at-Every-Size (HAES), trauma-informed, and evidence-based approach. Together, we focus on realistic changes, adding supportive habits, and creating sustainable health goals that feel good in their body and fit their lived experience.
(708) 847-5129 View (708) 847-5129
Photo of Elizabeth Autumn Sisneros, Nutritionist/Dietitian, MS, RDN, CDCES
Elizabeth Autumn Sisneros
Nutritionist/Dietitian, MS, RDN, CDCES
Oklahoma City, OK 73120
(405) 777-7121 View (405) 777-7121