Practice software and EHR support

athenahealth

Phone, published email, fax, addresses and the next step for your office.

4 contact routesNo directory research calls placed

portal

Client Support Center (CSC) - case, chat or phone from inside athenaOne

Official page read
Phone

No phone listed for this route

Published hours

Mon-Fri 7:30 a.m.-9:00 p.m. ET; 24/7 emergency support (chat 8:00 a.m.-6:00 p.m. EST per page)

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address

Not researched for this route

For existing customers and their authorized users (account holders) only. This is a software/vendor support line; it cannot answer payer coverage, eligibility or claim-status questions. athenahealth's help page says the CSC is reached from athenaOne: Support > Success Community > Contact Client Support Center, which lets a logged-in user create a case, chat or call. No direct public CSC phone number is published; check the athenahealth public status page before calling.

provider services

Company main line (not the Client Support Center)

Official page read
Phone888-402-7256

Company main line

Fax

617-402-1099

Main fax (617 number; toll-free main fax is 1-888-902-1099)

Published email

athena@athenahealth.com

General email

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address

Not researched for this route

Corporate main contact for athenahealth customers. athenahealth's own page says these numbers do not connect to the Client Support Center. Local main phone is 617-402-1000 and the toll-free main fax is 888-902-1099. This is a software/vendor support line; it cannot answer payer coverage, eligibility or claim-status questions.

View source ↗ · Source checked 2026-10-24

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Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

fax other

Manage attachments fax (toll free)

Official page read
Phone

No phone listed for this route

Fax

888-402-7297

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address

Not researched for this route

For existing customers and their authorized users (account holders) only. Fax number athenahealth lists for the 'Manage attachments' service used by athenaOne practices. Do not send PHI unless your practice's athenahealth configuration directs you to. This is a software/vendor support line; it cannot answer payer coverage, eligibility or claim-status questions.

View source ↗ · Source checked 2026-10-24

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fax other

Remittance and EOB mailing address (Posting Department)

Official page read
Phone

No phone listed for this route

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address
Posting Department athenahealth, Inc. 1 athena Way Belfast, ME 04915-6878

Confirm purpose before mailing

For existing customers and their authorized users (account holders) only. Where athenahealth says paper remittances and EOBs go for posting. Practices using the athenaMailbox service should forward to their assigned athenaMailbox address instead. This is a software/vendor support line; it cannot answer payer coverage, eligibility or claim-status questions.

View source ↗ · Source checked 2026-10-24

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