Mary Louise Lea, RD, Babylon, NY | Dietitian

What patients are saying

Overall rating

5.00

Average wait time

5.00

Bedside manner

5.00

About Mary Louise Lea

This provider is not licensed in the states of VT, PA, MA. Mary Louise Lea is a compassionate and experienced Registered Dietitian with a strong foundation in clinical nutrition, quality assurance, and healthcare compliance. With a career spanning both patient care and organizational leadership, Mary Louise brings a well-rounded approach to nutrition, rooted in evidence-based practices and a commitment to excellence. She has worked extensively with individuals navigating obesity, binge eating disorder, and other complex nutrition-related conditions, offering personalized guidance to support long-term lifestyle change. Mary Louise also brings valuable experience in regulatory oversight, ensuring that nutritional services meet the highest standards of safety, ethics, and effectiveness. At Functional Nutrition RX, she combines her clinical insight with a systems-level understanding of healthcare delivery—helping clients feel confident, supported, and empowered on their wellness journey. Some of the many aspects that Mary Louise Lea has experience: Obesity and weight management, Disordered eating and behavior change, Therapeutic diet planning, Quality assurance and healthcare compliance, Evidence-based, client-centered counseling Mary Louise believes that nutrition is a powerful tool for healing, and she is passionate about helping people achieve their health goals through informed, compassionate care.

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Popular visit reasons

Diabetic Nutrition

New Patient Visit

Nutrition Consultation

Obesity / Weight Loss Consultation

Weight Loss Consultation

Diabetic Nutrition

New Patient Visit

Nutrition Consultation

Obesity / Weight Loss Consultation

Office location

Mary Louise Lea, RD also offers online video visits for patients

Functional Nutrition RX

41 John St, Babylon, NY 11702

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Education and background

Practice names

Functional Nutrition RX

Board certifications

Commission on Dietetic Registration
Registered Dietitian (RD) (Commission on Dietetic Registration)
Registered Dietitian Nutritionist (RDN) (Commission on Dietetic Registration)

Education and training

SUNY Oneonta, Bachelor's in Dietetics and Clinical Nutrition Services

Languages spoken

English

Provider's gender

Female

NPI number

1073335279

Patient reviews

All reviews have been submitted by patients after interacting with the practice.

Overall rating

5.00

Wait time

5.00

Bedside manner

5.00

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1 review

Most relevant

October 9, 2025Abraham F.Verified patient

Frequently asked questions

How soon can I make an appointment with Mary Louise Lea?

Generally, Mary Louise Lea has appointments available on Zocdoc within 1 week. You can see Mary Louise Lea's earliest availability on Zocdoc and make an appointment online.

Is Mary Louise Lea accepting new patients?

Mary Louise Lea generally accepts new patients on Zocdoc. You can see Mary Louise Lea's earliest availability on Zocdoc and schedule an appointment online.

Does Mary Louise Lea accept my insurance?

Choose your insurance plan to verify if Mary Louise Lea is in-network.

Can I make an appointment with Mary Louise Lea online?

Yes, you can make an appointment online with Mary Louise Lea using Zocdoc. It’s simple, secure, and free.

What practice does Mary Louise Lea work with?

Mary Louise Lea works with Functional Nutrition RX.

Where is Mary Louise Lea's office located?

Mary Louise Lea has 11 office locations, including in Babylon, Batsto, Hartstown, New Ashford, Maidstone, Smyrna, Supai, Markleeville, Timpas, and Millersburg, view full addresses on Mary Louise Lea's profile.

Which board certifications does Mary Louise Lea have?

Mary Louise Lea is certified by Commission on Dietetic Registration, Registered Dietitian (RD) (Commission on Dietetic Registration), and Registered Dietitian Nutritionist (RDN) (Commission on Dietetic Registration).

What languages does Mary Louise Lea speak?

Mary Louise Lea speaks English.

How do patients rate Mary Louise Lea in reviews?

1 patients have reviewed Mary Louise Lea. The overall rating for this doctor is 5/5. They have a 5/5 rating for bedside manner and a 5/5 rating for wait time. You can read individual reviews and ratings on their profile.