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Client Support Center (CSC) - case, chat or phone from inside athenaOne
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Published hoursMon-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)
Confirm the exact product or service
National contact — confirm product and location
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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.
View source ↗ · Source checked 2026-10-24 · athenahealth states live support is available 24/7 by phone, chat or email ↗
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