Mevion Medical Systems

Mevion Medical Systems Follow Mevion on Twitter Mevion Medical Systems, Inc. is a radiation therapy company dedicated to advancing the treatment of cancer.

As the pioneering developer of modern proton therapy systems, Mevion provides innovative, safe, and effective solutions by transforming advances in medical technology and science into practical clinical reality. Mevion’s flagship product, the MEVION S250 Proton Therapy System, is designed to preserve all of the treatment benefits of traditional proton therapy systems while removing the obstacles of size, cost, and complexity. Realizing this vision, Mevion has forever changed the economics and accessibility of proton therapy worldwide. Founded in 2004, Mevion is a privately held company headquartered in the Boston metropolitan area with international offices in the United Kingdom and Japan. The MEVION S250 Proton Therapy System is United States Food and Drug Administration 510(k) cleared.

Today, during our extended Week of Hope in partnership with American Cancer Society Hope Lodge, the Mevion team came tog...
04/01/2026

Today, during our extended Week of Hope in partnership with American Cancer Society Hope Lodge, the Mevion team came together to share messages of strength, encouragement, and compassion. 💙

Employees wrote heartfelt notes for patients, caregivers, and staff staying at a Hope Lodge, reminding those facing cancer that they are not alone and that hope is always within reach. Alongside the team, our Chairman, Dr. Lawrence Tian, and CEO, Dr. Tina Yu, added their own messages of support.

Small messages can carry powerful impact, and we’re proud to continue supporting and uplifting this incredible community.

Because hope doesn’t stop after one week… 💛We’re extending Week of Hope for another week!Let’s keep showing up, serving,...
03/30/2026

Because hope doesn’t stop after one week… 💛
We’re extending Week of Hope for another week!
Let’s keep showing up, serving, and making a difference together.

Join Mevion Medical Systems in Radiating Hope 💙

During our Week of Hope (March 22–28, 2026), we’re proud to support the American Cancer Society's Hope Lodge, providing free lodging and a supportive community for cancer patients traveling far from home.

Every year, Hope Lodge offers comfort, connection, and hundreds of thousands of nights of free lodging so patients can focus on healing - not where they’ll stay.

We invite you to take action:
💙 Volunteer — Support patients and families in your community
💙 Donate — Every gift makes a difference (Mevion will match donations!)
💙 Spread the word — Share and help amplify hope

👉 Donate here: https://hubs.la/Q047-Sp00

Together, we can ensure no patient faces cancer alone.
Donate. Support. Radiate Hope.

Proud to see proton therapy now available in Wisconsin. Congratulations to the Froedtert & MCW Cancer Network on reachin...
03/27/2026

Proud to see proton therapy now available in Wisconsin. Congratulations to the Froedtert & MCW Cancer Network on reaching this important milestone and expanding access to highly targeted cancer care.

Proton therapy is one of the most advanced forms of radiation therapy available today, designed to precisely target tumors while minimizing damage to surroun...

Resharing to help spread the word. 💙We’re in the middle of Mevion’s Week of Hope, supporting the American Cancer Society...
03/26/2026

Resharing to help spread the word. 💙

We’re in the middle of Mevion’s Week of Hope, supporting the American Cancer Society’s Hope Lodge, providing free lodging and community for patients who need it most.

If you’re able, consider donating (we’ll match!), volunteering, or simply sharing to amplify the impact.

Let’s make sure no patient faces cancer alone.

Join Mevion Medical Systems in Radiating Hope 💙

During our Week of Hope (March 22–28, 2026), we’re proud to support the American Cancer Society's Hope Lodge, providing free lodging and a supportive community for cancer patients traveling far from home.

Every year, Hope Lodge offers comfort, connection, and hundreds of thousands of nights of free lodging so patients can focus on healing - not where they’ll stay.

We invite you to take action:
💙 Volunteer — Support patients and families in your community
💙 Donate — Every gift makes a difference (Mevion will match donations!)
💙 Spread the word — Share and help amplify hope

👉 Donate here: https://hubs.la/Q047-Sp00

Together, we can ensure no patient faces cancer alone.
Donate. Support. Radiate Hope.

Great to see leadership in action beyond the workplace. Earlier this week, Mevion CEO Tina Yu, PhD, and Head of People O...
03/25/2026

Great to see leadership in action beyond the workplace. Earlier this week, Mevion CEO Tina Yu, PhD, and Head of People Operations and Public Affairs Sandra Rousselle attended a fundraiser for Congresswoman Lori Trahan joined by special guest Congressman Jim McGovern.

As leaders in proton therapy, we’re proud to engage with policymakers and community partners who are shaping the future of healthcare, helping expand access to innovative cancer treatments and improve outcomes for patients everywhere.

Join Mevion Medical Systems in Radiating Hope 💙During our Week of Hope (March 22–28, 2026), we’re proud to support the A...
03/23/2026

Join Mevion Medical Systems in Radiating Hope 💙

During our Week of Hope (March 22–28, 2026), we’re proud to support the American Cancer Society's Hope Lodge, providing free lodging and a supportive community for cancer patients traveling far from home.

Every year, Hope Lodge offers comfort, connection, and hundreds of thousands of nights of free lodging so patients can focus on healing - not where they’ll stay.

We invite you to take action:
💙 Volunteer — Support patients and families in your community
💙 Donate — Every gift makes a difference (Mevion will match donations!)
💙 Spread the word — Share and help amplify hope

👉 Donate here: https://hubs.la/Q047-Sp00

Together, we can ensure no patient faces cancer alone.
Donate. Support. Radiate Hope.

Y’all, our lunchtime symposium is kicking off now at the National Proton Conference here in Nashville! 🎤🤠Come on by and ...
03/20/2026

Y’all, our lunchtime symposium is kicking off now at the National Proton Conference here in Nashville! 🎤🤠

Come on by and join us to learn about the future of cancer care and how we’re advancing proton therapy. Pull up a seat, we’d love to have you!

Y’all come see us at the National Proton Conference in Nashville! 🤠🎸We’re live in the exhibitor hall through Friday. Sto...
03/19/2026

Y’all come see us at the National Proton Conference in Nashville! 🤠🎸

We’re live in the exhibitor hall through Friday. Stop by to connect with the Mevion team and learn how we’re shaping the future of cancer care with advanced proton therapy.

And don’t miss our lunchtime symposium March 20 from 11:45 AM to 1:00 PM CT:
Upgrade Strategies for Linac and Proton Vaults: Renewing Radiation Therapy Without Interrupting Care

Hear real-world insights from leaders at Loma Linda University Medical Center, Atlantic Health System, and Stanford Medicine on upgrading active programs, maintaining continuity of care, and positioning radiation oncology programs for long-term growth.

This past weekend, one of our incredible Field Service Engineers fired up the smoker to give back at the Oklahoma City H...
03/17/2026

This past weekend, one of our incredible Field Service Engineers fired up the smoker to give back at the Oklahoma City Hope Lodge, a program of the American Cancer Society. 🍖

He prepared brisket, pulled pork, and three racks of ribs for patients and their families staying at the lodge while receiving treatment. Guests came and went throughout the afternoon, sharing a meal, conversation, and a moment of comfort together.

We’re proud to support the mission of the American Cancer Society and the Hope Lodge program, which provides a home away from home for people facing cancer.

Thank you to the team at American Cancer Society and Hope Lodge for the incredible work you do for patients and families every day. ❤️

03/16/2026

We look forward to see everyone this week in Nashville at The National Proton Conference!

03/16/2026

A major milestone for proton therapy at Atlantic Health.

By expanding access to proton therapy for both adult and pediatric patients, Atlantic Health is helping bring this important treatment option to more people. We’re proud to support their efforts to make proton therapy more available to the communities they serve.

We were honored to welcome representatives from Senator Elizabeth Warren's office to Mevion’s headquarters in Littleton,...
03/06/2026

We were honored to welcome representatives from Senator Elizabeth Warren's office to Mevion’s headquarters in Littleton, MA this week.

During their visit, our team shared how proton therapy is transforming cancer treatment by delivering highly precise radiation that helps spare healthy tissue and improve outcomes for patients. The discussion highlighted the importance of continued innovation in cancer care and expanding access to advanced treatment technologies.

Thank you to the Warren team for taking the time to learn more about the impact proton therapy can have for patients and providers across Massachusetts and beyond.

Address

300 Foster Street
Littleton, MA
01460

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+19785401500

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