One Care Provider Contact Information

Resources for One Care providers

Commonwealth Care Alliance One Care

Website: https://commonwealthcarealliance.healthtrioconnect.com
Phone Number: [phone]
Email Address: [e-mail]

Mass General Brigham One Care

Website: http://provider.massgeneralbrighamhealthplan.org
Phone Number: [phone]
Email Address: [e-mail]

Molina One Care

Website: https://www.availity.com/molinahealthcare
Phone Number: [phone]
Email Address: [e-mail]

Tufts Health One Care

Website: https://providers.tufts-health.com
Phone Number: [phone]

UnitedHealthcare Connected

Website: https://www.uhcprovider.com
Phone Number: [phone]

Date published:	October 1, 2025