Important Program Update:

The Accountable Care Coalition of Direct Contracting, LLC will no longer participate in the ACO REACH Model after December 31, 2025.
Beneficiary Medicare rights and Medicare benefits remain unchanged. Beneficiaries may continue to receive care from any healthcare provider, practice, or hospital that accepts Medicare — including all of current providers.

Questions? Contact 1-800-MEDICARE.

Public Disclosure

ACO Name and Location

Accountable Care Coalition of Direct Contracting, LLC
1668 S Garfield Avenue, 2nd Floor
Alhambra, CA 91801

ACO Primary Contact

Shawn Bassett
914-715-5526
Shawn.Bassett@astranahealth.com

Organizational Information

ACO Participants

ACO Preferred Providers

No participants are involved in a joint venture between ACO professionals and hospitals.

Accountable Care Coalition of Direct Contracting, LLC Governing Body

  • David Thompson, MD, Voting Member, Drs. Linden & Thompson
  • Dara Richards, MD, Voting Member, South-West Community Health Center, Inc.
  • Gerald Sullivan, MD, Voting Member, Day Kimball Medical Group Inc.
  • Heidi Tucker, DO, Voting Member, Generations Family Health Center, Inc.
  • Shawn Bassett, Chair, Voting Member, Collaborative Health Systems
  • LaTanya Gaither, Voting Member, Collaborative Health Systems
  • Paul Schwartz, Voting Member, Medicare Beneficiary
  • Stephen Wood, Voting Member, Consumer Advocate

Accountable Care Coalition of Direct Contracting, LLC Key ACO Clinical and Administrative Leadership

  • ACO Executive: Shawn Bassett, Collaborative Health Systems
  • Medical Director: David Thompson, MD, Drs. Linden & Thompson
  • Compliance Official: Michelle Amador
  • Quality: Kevin Chang, MD

Shared Savings and Losses

Amount of Shared Savings/Losses

Performance Year 2023: $18,645

Performance Year 2022: -$3,565,431.71

Shared Savings Distribution

Performance Year 2023: $18,645

  • Proportion invested in Infrastructure: N/A
  • Proportion invested in redesigned care processes/resources: N/A
  • Proportion shared with Participants: N/A

Performance Year 2022: -$3,565,431.71

  • Proportion invested in Infrastructure: N/A
  • Proportion invested in redesigned care processes/resources: N/A
  • Proportion shared with Participants: N/A

Quality Performance Results

Performance Year 2023: 

  • Overall Quality Score: 98.84%
  • Risk-Standardized, All-Condition Readmission Rate (ACR): 15.17
  • Risk-Standardized, All-Caused Unplanned Admissions for Patients with Multiple Chronic Conditions (UAMCC): 30.96
  • Timely Follow-Up After Acute Exacerbations of Chronic Conditions (TFU): 71.44

Performance Year 2022: 

  • Overall Quality Score: 100%
  • Risk-Standardized, All-Condition Readmission Rate (ACR): 15.50
  • Risk-Standardized, All-Caused Unplanned Admissions for Patients with Multiple Chronic Conditions (UAMCC): 30.37
  • Timely Follow-Up After Acute Exacerbations of Chronic Conditions (TFU): 70.06

D0115_PubDiscv1_0525_IA Approved     06/24/2025