California Medical Association House of Delegates creates California Physicians' Service (CPS) on Dec. 18 by a vote of 114-12.


Articles of Incorporation filed with the Secretary of State on Feb. 2; Company begins marketing service to the public on March 6. Coverage for first group commences two months later.


In first year of operation, 20,000 Californians subscribe and 5,000 physicians join the pioneer prepaid healthcare service plan.


Blue Shield becomes one of the founders of the National Association of Blue Shield Plans (later renamed the Blue Cross and Blue Shield Association).


Blue Shield introduces first catastrophic coverage in the nation.


Millionth subscriber enrolls.


Blue Shield enters the health maintenance organization business by establishing Blue Shield HMO in Sacramento.


Blue Shield enters its 50th year of business serving nearly three million Californians with a provider network of over 36,000 Physician Members and nearly 240 Preferred Hospitals.


Blue Shield becomes the first health plan in California to offer online benefits and enrollment information.

With Access+ HMOsm, Blue Shield becomes the first health plan in California to offer members direct access to specialists in their physician's medical group.


Blue Shield becomes the first health plan to connect doctors and members online.

California's first cross border HMO, Access Baja, is introduced.


Blue Shield opens new 26-acre energy-efficient campus in El Dorado Hills.


Blue Shield becomes the first health plan to propose statewide universal coverage.

Blue Shield becomes the only statewide network-model HMO for CalPERS.


Blue Shield opens new 26-acre energy-efficient campus in Redding.

Blue Shield becomes TRICARE provider for 500,000 military family members through its partnership with TriWest.


A revitalized Blue Shield of California Foundation begins to provide an average of $30M in grants to nonprofit organizations annually.


Blue Shield forms new Labor, Trust and Public Sector business unit.


Blue Shield adds 95,000 members from the Motion Picture Industry Health Plan.


Blue Shield opens new 20-acre, environmentally friendly facility in Lodi making the company Lodi's largest employer.


Blue Shield's Wellvolution wellness program receives awards from the American Heart Association and the California Task Force on Youth and Workplace Wellness.


Blue Shield teams up with Catholic Healthcare West & Hill Physicians Medical Group to launch a "virtual integrated model" of care pilot for CalPERS that aims to reduce costs while improving healthcare quality.

Blue Shield launches social media programs, including Ratings & Reviews and Ask & Answer.

Blue Shield becomes the first health plan in California to publicly recognize high performing physicians through its Blue Ribbon Recognition Program.


Covered California approved Blue Shield as a Qualified Health Plan in the small business and individual and family plan (IFP) markets in all 19 regions.


Blue Shield offered individual coverage through Covered California in its first year and, as a result, increased IFP enrollment and market share.


Blue Shield enters Medi-Cal and Medicaid with the acquisition of Care1st Health Plan, a provider-founded managed care company based in Los Angeles County.

Blue Shield announces Workplace Domestic Violence Policy to ensure employees’ safety by providing specific assistance to domestic violence victims and increasing workforce awareness through advocacy and education.

Blue Shield announces that its ACO programs achieved more than $325 million in healthcare cost savings in the program’s first five years.

Blue Shield launches the Narcotic Safety Initiative, a three-year program to help its plan participants avoid opioid abuse and addiction. 

Blue Shield opens new 175,000 square foot office in Rancho Cordova. 


Blue Shield announces that its Accountable Care Organization (ACO) program is expanding in 2017 as Trio, an HMO ACO product, becomes available to individuals and families shopping on Covered California.

Blue Shield launches inaugural Mission Report to demonstrate the many fronts that the health plan is working to improve healthcare in America.


Blue Shield CEO Paul Markovich releases a statement opposing the American Health Care Act (in its form on May 2, 2017) and calls on both parties to work on a bipartisan solution that protects the sickest and neediest.


El Dorado Hills solar installation boosts Blue Shield of California’s environmental goals; projects expected to produce approximately 5 million kilowatt-hours annually, offsetting an estimated 24,276 metric tons of carbon dioxide emissions over 20 years.

Blue Shield of California commits to work with providers to bring health care into the digital age through the creation of a state-wide health information exchange.


Blue Shield of California opens new head office in Oakland City Center.

BlueSky, our signature youth mental health initiative, launches, bringing leading community organizations to build a healthier California by developing resilience in students.

Following the Camp Fire, Blue Shield donates nearly $2 million to help restore healthcare delivery in Butte County, helping doctors connect with their patients, as well as supporting the rebuild of the clinic in Paradise.


California Governor Gavin Newsom names Blue Shield of California CEO Paul Markovich co-chair of a new state task force working to accelerate COVID-19 testing throughout California.

Blue Shield of California Elects Kristina Leslie As First Woman to Chair Its Board of Directors.

Health Reimagined initiative launches, aiming to transform health care through innovative pilot programs that focus on quality-driven, value-based care across the state and address health inequity.


Governor Gavin Newsom announces that Blue Shield of California will work with the state’s Government Operations Agency to maximize vaccine distribution and save lives. In addition, Blue Shield of California is tasked with creating a real-time data reporting system to help ensure that vaccines are administered in a way that is safe, equitable, and efficient.

Blue Shield announces its new, five-year NextGen sustainability goals to help safeguard the health of the next generation and support health equity.