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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 

23900 Orchard Lake Road, Suite 200
Farmington Hills, MI 48336

California 

18000 Studebaker Rd, #960
Cerritos, CA 90703

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

In California

In Massachusetts and Rhode Island: Including claim status, claim receipt, payments, corrected claims and refunds & escalations, please call: 800-306-0732.

Claims Department Address:
Commonwealth Care Alliance
P.O. Box 548
Greenland, NH 03840-0548

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 and Rhode Island

  • 888-537-5816 (TTY 711)
    We are available 8:00 am to 8:00 pm, 7 days a week.

In Michigan

In California

  • 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).

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

1When you click this link, you will leave the CCA website.

We’re here to support you

866-275-1222 (TTY 711)
8:00 am to 8:00 pm ET, Monday through Friday, and 8:00 am to 6:00 pm ET, Saturday and Sunday