Contact us

General questions

For general questions about Blue Shield of California's Medicare Supplement Plans, Medicare Advantage - Prescription Drug Plans, and Medicare Prescription Drug Plans:

Phone: (855) 203-3874 (TTY: 711)

Hours: 8 a.m. to 8 p.m. seven days a week, from October 1 through March 31, and 8 a.m. to 8 p.m., weekdays from April 1 through September 30

Medicare program

For more information about Medicare plans and policies:

Phone: 1-800-MEDICARE (1-800-633-4227)/ TTY: (877) 486-2048

Hours: 24 hours a day / 7 days a week

Centers for Medicare and Medicaid Services

For more information about Center for Medicare and Medicaid Services:


Customer Service

Medicare Advantage Prescription Drug Plans

Members with a Medicare Advantage Prescription Drug Plan who want to know more about their plan should call:

Phone: (800) 776-4466 (TTY: 711)

Hours: 8 a.m. to 8 p.m., seven days a week

Dual Special Needs Plans

Members with any Dual Special Needs Plans (D-SNP) who want to know more about their plan should call:

Phone: (800) 452-4413 (TTY: 711)

Hours: 8 a.m. to 8 p.m., seven days a week

Medicare Prescription Drug Plans

Blue Shield Medicare Prescription Drug Plan members with questions about their prescription drug coverage should call:

Phone: (888) 239-6469 (TTY: 711)

Hours: 8 a.m. to 8 p.m., seven days a week


About your benefits vendors

Health and wellness programs are administered by or arranged through the following independent companies (benefit vary based on your plan):

  • Alternative Care (for Medicare Supplement members only) - services are provided by the ChooseHealthy® program made available through ChooseHealthy, Inc., a subsidiary of American Specialty Health Incorporated (ASH)*
  • SilverSneakers® - Tivity Health
  • EPIC Hearing Healthcare is an independent entity that administrates services on behalf of Blue Shield of California.
  • LifeStation is an independent entity that administrates services on behalf of Blue Shield of California.
  • Blue Shield’s vision benefits are administered by Vision Service Plan (VSP). VSP is a vision care services plan licensed by the California Department of Managed Health Care, which contracts with Blue Shield to administer delivery of eyewear and eye exams covered under this vision benefit. VSP also contracts with Blue Shield to serve as a claims administrator for the processing of claims for covered services received from VSP Participating and Non-Participating Providers.

*The alternative care discounts are available to some members with a Blue Shield medical plan. Please note that the ChooseHealthy program is not insurance. You should check any insurance benefits you have before using this discount program. The ChooseHealthy program provides for discounts from specialty health care providers. You are obligated to pay for all services from those providers but will receive a discount from those participating providers for services included in the program. The ChooseHealthy program does not make any payments directly to participating providers. The ChooseHealthy program has no liability for providing or guaranteeing services and assumes no liability for the quality of services rendered. Discounts on services available through the ChooseHealthy program are subject to change. Please consult the ChooseHealthy website for current availability.

The products and services described are neither offered nor guaranteed under our contract with the Medicare program. In addition, they are not subject to the Medicare appeals process. Any disputes regarding these products and services may be subject to the Blue Shield grievance process. Should a problem arise with any value-added item or service, please call Customer Service at (800) 776-4466 (TTY: 711).

Y0118_23_379A3_M Accepted 06172024
H2819_23_379A3_M Accepted 06172024

Page last updated: 07/02/2024

*Free copy with no obligation to enroll.

© California Physician’s Service DBA Blue Shield of California 1999-2024. All rights reserved.

California Physician’s Service DBA Blue Shield of California is an independent member of the Blue Shield Association.

Blue Shield of California 601 12th Street, Oakland, CA 94607.

For Blue Shield Medicare Advantage Plans: Blue Shield of California is an HMO, HMO D-SNP, PPO and a PDP plan with a Medicare contract and a contract with the California State Medicaid Program. Enrollment in Blue Shield of California depends on contract renewal.

The company complies with applicable state laws and federal civil rights laws and does not discriminate, exclude people, or treat them differently on the basis of race, color, national origin, ethnic group identification, medical condition, genetic information, ancestry, religion, sex, marital status, gender, gender identity, sexual orientation, age, mental disability, or physical disability. La compañía cumple con las leyes de derechos civiles federales y estatales aplicables, y no discrimina, ni excluye ni trata de manera diferente a las personas por su raza, color, país de origen, identificación con determinado grupo étnico, condición médica, información genética, ascendencia, religión, sexo, estado civil, género, identidad de género, orientación sexual, edad, ni discapacidad física ni mental. 本公司遵守適用的州法律和聯邦民權法律,並且不會以種族、膚色、原國籍、族群認同、醫療狀況、遺傳資訊、血統、宗教、性別、婚姻狀況、性別認同、性取向、年齡、精神殘疾或身體殘疾而進行歧視、排斥或區別對待他人。