Contact Information

Contact Information

Accountable Care Organizations (ACO) 

ACOs should utilize these resources for questions related to Program operations and policy inquiries; technical inquiries related to program data and program reports; ACO Management System (ACO-MS); and assistance with user access to the Centers for Medicare and Medicaid Services (CMS) systems, including password resets.

To help navigate questions regarding the Medicare Shared Savings Program (Shared Savings Program), participating ACOs can contact their ACO Coordinator as the first line of contact. These additional resources are also available:

Program Mailbox: SharedSavingsProgram@cms.hhs.gov

Beneficiaries

Beneficiaries should call 1-800-MEDICARE (1-800-633-4227), TTY users should call 1-877-486-2048 for all of the following:

  • General questions about the Shared Savings Program.
  • To decline sharing health care information.
  • To select their primary clinician, the health care provider they believe is responsible for coordinating their overall care, in www.MyMedicare.gov.

Region-Specific Inquiries

For ACO or Shared Savings Program related questions, please send an email to FeeForServiceQuestions@cms.hhs.gov or call (341) 895-0611. The Shared Savings Program contacts for each geographical area are listed below.

# Office Location Contact Information
1 Boston, MA
MA, VT, NH, ME, RI, CT
Contacts: Helen Chang, Anita Johnson & Richard Singer
Division Director: Sue Kossler
2 New York, NY
NY, NJ, PR, USVI
Contacts: Katherine DiMartino
Division Director: Denise Molloy
3 Philadelphia, PA
PA, DE, WV, VA, DC, MD
Contacts: Tara Bramhall, Anthony DiFondi, Sean Emberson, & Camille Smalls
Division Director: Lynne Tierney 
4 Atlanta, GA
GA, KY, TN, NC, SC, AL, MS, FL
Contacts: Carl Brewer, Angela Kao, & Jennifer Manning
Acting Division Director: Jennifer Olsen
5 Chicago, IL
IL, MN, WI, MI, IN, OH
Contacts: Richard Gillet Jr., Johnathon Harbin, Vivian Howard, Nicole Jacobson-Avila, & Vered Zino
Division Director: Julius Bunch
6 Dallas, TX
TX, NM, OK, AR, LA
Contacts: Serita Baysmore, Sandhya Gilkerson, Ron Onyon, & Mark Porter-Rodriguez
Division Director: Bobbie Sullivan 
7 Kansas City, MO
MO, NE, IA, KS
Contact: Charles Huddleston, Anna Kit, William Phan, & Tracie Smith
Acting Division Director: Julius Bunch
8 Denver, CO
CO, MT, ND, WY, SD, UT
Contacts: Danielle Coleman, Nancy Hunter, Lisa Kubaska & Jermaine Mason 
Division Director: Larron Dolence 
9 San Francisco, CA
CA, NV, AZ, HI, GU, AS, MP
Contacts: Aryanna Abouzari, Christina Bagwell, Susan Castleberry, & Tamy Leung
Division Director: Kirk Sadur 
10 Seattle, WA
WA, OR, ID, AK
Contacts: Jessica Terry
Division Director: Becky Chapman

 

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Page Last Modified:
09/21/2023 09:55 AM