Welcome providers

Resources and information for providers and office staff

Opted out of Medicare: Submit form with claims

Effective June 1, 2026, providers will be required to submit a Medicare opt-out form with their claim in applicable instances.

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Reauthorization requirements for targeted immunomodulators

Members who are currently receiving a targeted immunomodulator for a dermatological indication will soon be required to obtain reauthorization to maintain continued access to therapy.

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Important reimbursement reminder: Use the correct member ID for One Care claims

To ensure that your claims are accepted for processing, update your billing systems to reflect the new member ID numbers for Tufts Health One Care members.

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About the HPHConnect secure portal

Learn about HPHConnect, our secure web-based transaction service for Harvard Pilgrim products, including how to register and submit transactions.

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About the Tufts Health Plan secure portal

Learn about the web-based transaction service for Tufts Health Plan products, including how to register and submit transactions.

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Electronic data interchange services (EDI)

Visit the EDI page to learn more about trading partners, getting set up for electronic transactions and to access companion guides.

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Electronic payment

Visit our electronic funds transfer (EFT) page to get started with receiving your reimbursement electronically.

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Resources

Visit our one-stop shop for Prior Authorization information and materials.

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Vendor programs

Learn about vendor partners who conduct utilization management for certain services.

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Join the network

We invite you to join us in ensuring that our communities have access to high-quality, equitable health care by becoming a participating provider.

Become a contracted provider

View our plans

Learn more about the diverse range of health plans we offer under our legacy brands, Harvard Pilgrim Health Care and Tufts Health Plan. 

View our plans