Maria Koutsoupias, RD

4.5
(36)
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In-person
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Background

As a clinical dietitian with a strong foundation in medical nutrition therapy, I work with clients managing chronic conditions. Clients can expect a thoughtful, science-based approach rooted in collaboration and tailored to their individual needs, health history, and lifestyle.

With dual Bachelor’s degrees in Nutrition and Dietetics from Greece and the U.S., and a Master’s in Clinical Nutrition, I bring an international and evidence-based perspective to my practice. I integrate elements of the Mediterranean diet—rich in whole foods, balance, and tradition—into care when appropriate, focusing on sustainable and enjoyable nutrition.

What drives my practice is seeing how nutrition can truly transform lives—physically, mentally, and emotionally. I’m especially passionate about helping clients feel confident in managing their health without the pressure of restrictive diets.

Outside of work, I enjoy traveling, reading, and staying active through regular exercise. I'm fluent in both Greek and English, and I offer sessions in these languages, supporting clients from diverse cultures and backgrounds.                                 

If you're seeking a supportive, clinically grounded partner in your health journey, I'm here to help you achieve meaningful, lasting changes.

Availability

Approach

"As a clinically focused dietitian, I combine evidence-based nutrition with a personalized approach to support clients managing chronic conditions. I take the time to thoroughly understand your medical history, lab results, and lifestyle to create realistic and sustainable plans. My approach is collaborative, supportive, and rooted in science, helping you feel empowered and confident in your health choices."

Specialties

Weight Loss
Diabetes
High Cholesterol
High Blood Pressure
Eating Disorders & Disordered Eating
Food Allergies & Sensitivities
Vegan & Vegetarian
Pregnancy & Postpartum
PCOS
IBS
Kidney Disease
Colitis
Crohn's Disease
Celiac
IBD
GERD
Bariatric
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
🧘
Mind-Body Connection
💤
Sleep
🏃
Exercise

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

184 Prospect Street, South River, NJ 08882
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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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