Margarita Sierra, RD

4.5
(36)
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In-person
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Background

Hola and Welcome!

Mia here, a Registered Dietitian helping people connect with nutrition in a way that supports their health, culture, and lifestyle. But more importantly, I’m someone who will listen and walk with you on your wellness journey. 

Nutrition is never one-size-fits-all. I am here to understand your nutrition story—your routines, challenges, and traditions—and together, we build a plan that feels realistic, respectful, and personal. 

Whether you’re managing a condition, looking for more energy, or want to feel better in your body, I’m here to support you every step of the way. 

Our sessions are a judgment-free zone where education is empowering, accountability is compassionate, and progress—big or small—is always celebrated!

This is your journey, and I’m honored to be part of it. Let’s create something meaningful, together!

Availability

Approach

"As a bilingual (EN-SP) RD, I provide personalized, culturally respectful care with empathy at the core. I support each client's journey with a combination of education and real-life strategies that honor their traditions and goals. I strive to make each session engaging and supportive, while making accountability empowering and not overwhelming."

Specialties

Weight Loss
Diabetes
High Cholesterol
High Blood Pressure
Food Allergies & Sensitivities
Vegan & Vegetarian
Pregnancy & Postpartum
PCOS
Autoimmune
IBS
Kidney Disease
Pediatrics
Colitis
Crohn's Disease
Celiac
IBD
GERD
Bariatric
Transplant
Cancer / Oncology
Thyroid Health
Gut Health
SIBO
Perimenopause & Menopause
General Nutrition

Modalities

🥦
Meal Planning
🍴
Intuitive Eating
📊
Accountability
💬
Motivational Interviewing
🔎
FODMAP
🚫
Elimination Diet
💞
Relationship With Food
🔬
Lab Testing
⚙️
Functional
❤️
Health At Every Size (HAES)
💊
Supplement Management
📏
Personalized Macros
🧠
Cognitive Behavioral Therapy (CBT)
Weight Loss Medication
🥗
Plant-Based

Insurance accepted

Aetna, Cigna, Golden Rule, Optum, Oxford, Select Health, United Healthcare, United Medical Resources (UMR)

Seeing clients in

AZ, CA, CO, HI, MI, NJ, VA

Location

389 E Randolph Ave, MINE HILL, NJ 07803
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Reviews
4.5
36 Reviews
(36)
5
(273)
4
(27)
3
(27)
2
(27)
1
(4)
AI summary of written reviews

Clients consistently describe Jane as warm, knowledgeable, and easy to talk to. Many highlight noticeable improvements in their eating habits, energy, and confidence after just a few weeks of working with her.

While a handful of clients hoped for more structured follow‑up, the vast majority praise her for setting realistic goals and explaining nutrition in a way that finally “clicks.”

Overall, Jane is highly recommended for anyone looking for thoughtful, supportive guidance.

6 clients left publicly written reviews
2 days ago

Jane completely changed how I think about food. She’s patient, knowledgeable, and explains things in a way that actually makes sense.

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