Contact Provider Services

Call Centers	Phone	Hours
Provider Services Call Center	410-767-5503 or 1-800-445-1159	Monday from 8:30 a.m. to noon. Tuesday, Wednesday and Friday from 8:30 a.m. to 4 p.m.
Maryland ePREP Hotline	1-844-463-7768	Monday through Friday from 9:00 a.m. to 5:00 p.m. Closed on state holidays.

Contact by Topic	Email or Online Form	Phone
Check tracing	[email protected]	---
EDI, electronic billing	[email protected]	---
eMedicaid	[email protected]	---
Enrollment, prescriber	[email protected]	---
Enrollment, provider help other than ePREP	[email protected]	410-767-5340
Hospital presumptive eligibility info and training	[email protected]	---
Claims, Institutional UB-04	---	410-767-5457
LTSSMaryland, provider portal billing/policy	Report an Issue Online Form	---
LTSSMaryland, technical assistance	[email protected]	1-855-463-5877
Payment Adjustment help	---	410-767-5346
Telehealth	[email protected]	---

Mail

Claims Processing Division
P.O. Box 1935
Baltimore, MD 21203

Institutional Provider Relations EB-04
P.O. Box 22751
Baltimore, MD 21203

Professional Provider Relations CMS-1500
P.O. Box 22811
Baltimore, MD 21203

Medical Assistance Adjustment Unit
P.O. Box 13045
Baltimore, MD 21203