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
ACO Information Center: 1-888-734-6433 (Option 1) or TTY/TDD 1-888-734-6563, Monday–Friday 8:30 a.m.¬–7:30 p.m. Eastern Time (ET)
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 direct questions to the appropriate Shared Savings Program contact listed below for each geographical area. All public contact information is listed below.
| # | Office Location | Contact Information |
|---|---|---|
| 1 | Boston, MA MA, VT, NH, ME, RI, CT |
Phone: 617-565-4630 Contacts: Sherri Bisci, Anita Johnson, & Richard Singer Division Director: Sue Kossler |
| 2 | New York, NY NY, NJ, PR, USVI |
Phone: 212-616-2500 Contacts: Bridget Baker Division Director: Denise Molloy |
| 3 | Philadelphia, PA PA, DE, WV, VA, DC, MD |
Phone: 215-861-4154 Contacts: Tara Bramhall, Anthony DiFondi, Sean Emberson, & Camille Smalls Division Director: Lynne Tierney |
| 4 | Atlanta, GA GA, KY, TN, NC, SC, AL, MS, FL |
Phone: 404-562-7347 Contacts: Carl Brewer & Lance Bryan Division Director: Genise Huey |
| 5 | Chicago, IL IL, MN, WI, MI, IN, OH |
Phone: 312-353-2322 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 |
Phone: 214-767-6441 Contacts: Serita Baysmore, Lisa Littleaxe, Ron Onyon, & Mark Porter-Rodriguez Division Director: Bobbie Sullivan |
| 7 | Kansas City, MO MO, NE, IA, KS |
Phone: 816-426-5033 Contact: Charles Huddleston, William Phan, & Tracie Smith Division Director: Ruth Powers |
| 8 | Denver, CO CO, MT, ND, WY, SD, UT |
Phone: 303-844-2111 Contacts: Danielle Coleman, Nancy Hunter, Lisa Kubaska & Jermaine Mason Division Director: Larron Dolence |
| 9 | San Francisco, CA CA, NV, AZ, HI, GU, AS, MP |
Phone: 415-744-3658 Contacts: Aryanna Abouzari, Christina Bagwell, Susan Castleberry, & Tamy Leung Division Director: Kirk Sadur |
| 10 | Seattle, WA WA, OR, ID, AK |
Phone: 206-615-2399 Contacts: Konah Gweh & Jessica Terry Division Director: Becky Chapman |