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Med Fusion

About us

Molecular center of excellence

Making precision medicine responsible

Med Fusion is 1 of 35 laboratories in the US, and 1 of 3 in Texas, to be named a Molecular Center of Excellence. This premier laboratory distinction for providing the most advanced, leading-edge technology is bestowed by Roche Diagnostics.

The exclusive program allows us to collaborate and capitalize on the scientific knowledge in molecular testing and accelerate the advancement of personalized medicine.

Order tests using our Physician’s Portal

Click to order

Client Services:
Phone: 1.972.966.7300 or 1.855.500.8535
Email: clientservices@medfusionsvs.com
Client Services Hours: 24/7/365

Billing Customer Service:
Phone: 1.972.966.7080 or 1.888.385.2154
Fax: 1.972.966.7227
Email: billing@medfusionsvs.com
Hours of operation: Monday – Friday, 8:00 AM – 5:00 PM (CT)

Clinical Trials
Phone: 1.972.966.7600 or 1.844.361.9641
Email: Clinical-Trials@medfusionsvs.com

Solid Tumor Hotline
The US Oncology Network and Texas Oncology Dedicated Hotline
Phone: 1.972.966.7050 or 1.844.966.7050

Hematopathology Hotline
Phone: 1.877.384.9893

Physicians

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Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified laboratories that provide HIPAA-covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA-covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2026 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.