Provider Services Call Center

The Provider Services​​ Call Center has knowledgeable, dedicated representatives who are  available to assist providers with questions regarding claims status,  claims resolution, and billing procedure assistance.  

Professional Provider Relations - Claim Type CMS-1500

Contact:  410-767-5503 or 1-800-445-1159

Hours of Operation

  • Monday, 8:30 a.m. to noon
  • Tuesday, 8:30 a.m. to 4:00 p.m.
  • Wednesday, 8:30 a.m. to 4:00 p.m.
  • Thursday, ​​unavailalbe
  • Friday, 8:30 a.m. to 4:00 p.m.

Institutional Provider Relations - Claim Type UB04

Contact: 410-767-5457

Hours of Operation

  • Monday, 8:30 a.m. to noon
  • Tuesday, 8:30 a.m. to 4:00 p.m.
  • Wednesday, 8:30 a.m. to 4:00 p.m.
  • Thursday, unavailable​
  • Friday, 8:30 a.m. to 4:00 p.m.