American Cancer Society

Join the American Cancer Society in saving more lives from cancer. Your donation supports life-saving cancer research as well as free programs and services for cancer patients and their families.

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General Information

Official Name
American Cancer Society Inc​​​​​​​
DBA/Trade Name(s)
Former Name(s)
Date Established
Offers Additional Colorado State Tax Credit
Tax ID
Headquarters Address
Colorado Location
10065 E. Harvard Avenue, Ste. 400
Denver, CO 80231

8221 W 20th St
Suite A
Greeley, CO 80634
Mailing Address
Other Address
Main Phone Number
Voice Calls Only
Fax Number
Other Phone Number
Social Media Links

Mission Statement

The American Cancer Society's mission is to save lives, celebrate lives, and lead the fight for a world without cancer.

Organization History

Founded in 1913 and incorporated in 1922, the American Cancer Society (ACS) is one of the oldest and largest voluntary health agencies in the United States. Thanks to our ability to leverage public and private support and form lasting strategic partnerships, ACS is the nation's most comprehensive cancer organization.


For more than 100 years, the American Cancer Society (ACS) has worked relentlessly to save lives and create a world with less cancer and more birthdays. Together with millions of our supporters worldwide, we help people stay well, help people get well, find cures, and fight back against cancer.


"From my standpoint as I sit here, I'm grateful for the incredible grassroots network that we have and for every one of those people that gives us $45 or $50 at a time." Gary Reedy, ACS CEO


"Calling the American Cancer Society and requesting trips with the Road to Recovery program has been a blessing. We wouldn't have been able to get John to his brain cancer treatments without ACS's help. We are on a fixed income, have saved well and John retired from CDOT, just before he was diagnosed. Margaret, our angel, has become a friend and made a huge impact on our quality of life. She is the volunteer who drives us the most. We are so fortunate to have the American Cancer Society and free rides to treatment." - Sandy, Caregiver and wife of John for over 50 years

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