About us

Where testing meets clinical care.

An independent private laboratory in Moncton, building a more connected healthcare experience.

Accessible care, built around you. We founded MedNexus Health to provide coordinated medical care and diagnostic services with a focus on accuracy, efficiency, and patient trust.

MedNexus Health is an independent private laboratory in Moncton, New Brunswick, founded by Dre Roxanne Ouellet, MD. Our mission is to make healthcare more accessible by bringing laboratory diagnostics and clinical care together in one place.

MedNexus Health is an independent private laboratory in Moncton, New Brunswick, founded by Dre Roxanne Ouellet, MD. Our mission is to make healthcare more accessible by bringing laboratory diagnostics and clinical care together in one place.

The name reflects that vision. Nexus means connection, and MedNexus Health was created to connect patients, providers, diagnostics, and care through a more integrated healthcare experience. Our laboratory is the foundation, with clinical services expanding in October 2026.

The name reflects that vision. Nexus means connection, and MedNexus Health was created to connect patients, providers, diagnostics, and care through a more integrated healthcare experience. Our laboratory is the foundation, with clinical services expanding in October 2026.

Lab technician in protective gear using a high-tech analyzer while referencing data on dual computer screens in a laboratory setting.

What we stand for

Clinical Integrity

Professional Accountability

Efficiency

Clarity

Continuity of Care

What we stand for

Clinical Integrity

Professional Accountability

Efficiency

Clarity

Continuity of Care

Lab technician in protective gear using a high-tech analyzer while referencing data on dual computer screens in a laboratory setting.
Woman in glasses and business-casual attire smiling confidently while standing in an office space with a corkboard in the background.

Testing without the usual limits.

We built MedNexus Health so providers can order the tests their patients need, without the restrictions of an overloaded system.

Smiling man in a maroon sweater working at a computer in a modern, industrial-looking lab or tech workspace.

To be a leading private medical practice recognized for integrated care, clinical excellence, and operational reliability.

What we stand for

Clinical Integrity

Professional Accountability

Efficiency

Clarity

Continuity of Care

Lab technician in protective gear using a high-tech analyzer while referencing data on dual computer screens in a laboratory setting.
Woman in glasses and business-casual attire smiling confidently while standing in an office space with a corkboard in the background.

Testing without the usual limits.

We built MedNexus Health so providers can order the tests their patients need, without the restrictions of an overloaded system.

Smiling man in a maroon sweater working at a computer in a modern, industrial-looking lab or tech workspace.

To be a leading private medical practice recognized for integrated care, clinical excellence, and operational reliability.

Mature man with glasses and a trimmed beard smiling confidently, standing in warm natural light against a modern backdrop.

A WORD FROM OUR FOUNDER

"MedNexus Health was founded on a simple belief: healthcare should be easier to access. By bringing private laboratory testing and clinical care together, we're making care more connected for patients and providing trusted support for healthcare providers."

Dre Roxanne Ouellet, MD

Founder & Medical Director

Behind every result, there is a licensed professional.

Dre Roxanne Ouellet, MD

Medical Director & Founder

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Josée Levesque

Clinic & Laboratory Manager

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Alyson Bard, MLT

Medical Laboratory Technologist Supervisor

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Nathalie Gauvin

Medical Administrative Assistant

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Dre Roxanne Ouellet, MD

Medical Director & Founder

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Josée Levesque

Clinic & Laboratory Manager

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Alyson Bard, MLT

Medical Laboratory Technologist Supervisor

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Nathalie Gauvin

Medical Administrative Assistant

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Dre Roxanne Ouellet, MD

Medical Director & Founder

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Josée Levesque

Clinic & Laboratory Manager

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Alyson Bard, MLT

Medical Laboratory Technologist Supervisor

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Nathalie Gauvin

Medical Administrative Assistant

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OUR REACH

National laboratory partnerships. Local access to care.

Based in Moncton, we process specimens from healthcare providers across Canada, while offering patient-facing services across Atlantic Canada and Quebec. Our model is built to improve access to trusted laboratory testing and clinical care.
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Direct patient testing available October 2026.

Trusted in diagnostics. Committed to care.

Partner with a private lab built for fast, reliable processing.

Trusted in diagnostics. Committed to care.

Partner with a private lab built for fast, reliable processing.

Trusted in diagnostics. Committed to care.

Partner with a private lab built for fast, reliable processing.