How to Reach Us
CCA Locations
30 Winter Street
Boston, MA 02108
Lafayette City Center
2 Avenue de Lafayette
Boston, MA 02110
Massachusetts
Schrafft’s Center
529 Main Street, Suite 222
Charlestown, MA 02129
100 North Parkway
Worcester, MA 01605
101 Wason Avenue, 3rd Floor
Springfield, MA 01107
Michigan
22260 Haggerty Road, Suite 300
Northville, MI 48167
California
2 Avenue De Lafayette, 5th Floor
Boston, MA 02111
Boston Clinic
Phone: 617-433-9601 (TTY 711)
Fax: 617-445-6538
Office Hours: 8:30 am – 5:00 pm, Monday through Friday
Address: 30 Northampton Street, Boston, MA 02118
Springfield Clinic
Phone: 413-858-7400 (TTY 711)
Fax: 413-746-0380
Office Hours: 8:30 am – 5:00 pm, Monday through Friday
Address: 3550 Main Street, Suite 101, Springfield, MA 01107
MetroWest/Worcester Home-Based Services Office
Phone: 508-250-0770 (TTY 711)
Fax: 508-875-1308
Please note: In the Worcester area, patients are seen in their homes and community rather than in a clinic setting.
For Members
Member Services
866-610-2273 (TTY 711)
From October 1 to March 31: 8:00 am to 8:00 pm, 7 days a week.
(April 1 to September 30: 8:00 am to 8:00 pm, Monday through Friday, and 8:00 am to 6:00 pm, Saturday and Sunday).
24-7 Nurse and Clinician Line
866-610-2273 (TTY 711)
We are available 24 hours a day, 7 days a week
Member Services
833-346-9222 (TTY 711)
From October 1 to March 31: 8:00 am to 8:00 pm, 7 days a week.
(April 1 to September 30: 8:00 am to 8:00 pm, Monday through Friday, and 8:00 am to 6:00 pm, Saturday and Sunday.)
24-Hour Nurse and Clinician Line
833-346-9222 (TTY 711)
We are available 24 hours a day, 7 days a week.
Member Services
855-959-5855 (TTY 711)
From October 1 to March 31: 8 am to 8 pm, 7 days a week.
(April 1 to September 30: 8 am to 8 pm, Monday to Friday).
24-Hour Nurse and Clinician Line
855-959-5855 (TTY 711)
We are available 24 hours a day, 7 days a week.
Member Services
866-333-3530 (TTY 711)
From October 1 to March 31: 8 am to 8 pm PT, 7 days a week.
(April 1 to September 30: 8 am to 8 pm PT, Monday through Friday).
You can also email us at: [email protected]
24-Hour Nurse and Clinician Line
833-378-4406 (TTY 711)
We are available 24 hours a day, 7 days a week.
For Providers
In Massachusetts and Rhode Island
- Provider Services: You can reach Provider Services at 866-420-9332, 8:00 am to 6:00 pm, Monday through Friday.
- Provider Relations: For training, orientation, or general questions, please email: [email protected]
In Michigan
- Provider Services
855-959-5855
In California
- Provider Services
833-847-7323
ProviderServicesCA@corporatesitesupport
In Massachusetts and Rhode Island: Including claim status, claim receipt, payments, corrected claims and refunds & escalations, please call: 866-420-9332.
Senior Care Options and One Care Plans
For Dates of Service: |
For Dates of Service: |
Claims Department AddressCommonwealth Care Alliance |
Claims Department AddressCommonwealth Care Alliance |
Medicare Advantage Plans
For Dates of Service:
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For Dates of Service:
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Claims Department AddressCommonwealth Care Alliance |
Claims Department AddressCommonwealth Care Alliance |
In Michigan: Providers may contact 855-959-5855 or check the provider portal.1
In California: Providers may verify a claims status within fifteen (15) days of submission by calling 866-333-3530 or checking the provider portal.1
Other Questions and Requests
In Massachusetts
- 888-537-5816 (TTY 711)
We are available 8:00 am to 8:00 pm, 7 days a week.
Visit our Massachusetts Website
In Rhode Island
- 855-210-1815 (TTY 711)
We are available 8:00 am to 8:00 pm, 7 days a week.
Visit our Rhode Island Website
In Michigan
- 844-884-9593 (TTY: 711)
We are available 8 am to 5 pm, Monday through Friday
Visit our Michigan Website
In California
- 833-382-2862 (TTY 711)
From October 1 to March 31: 8 am to 8 pm PT, 7 days a week.
Visit our California Website
If you would like to obtain a copy of your medical records, please provide your request in writing to the address below:
Commonwealth Care Alliance
Health Information Management Department
3550 Main Street, Suite 101
Springfield, MA 01107
Fax: 413-733-1924
Compliance Hotline Number
Call CCA’s Compliance Hotline anytime at 866-457-4953. You may report anonymously.
Or Fill out a Compliance Incident Report
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