patient billing
Patient billing customer service (Central Business Office)
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Maryland
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UMMS Central Business Office (Hunt Valley, MD) for hospital bill questions and payments; toll-free 877-632-4909. Accounts with service/admit dates before 11/7/2015 must call; later accounts can pay online. Physician (UM Faculty Physicians) bills may be separate.
View source ↗ · Source checked 2026-10-25 · financial assistance page lists same CBO numbers/email ↗
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