Phone Directory
| Administrative Office | Phone | Fax |
|---|---|---|
| Sinia Rosales, Administrative Coordinator | +301-279-4490 | +301-279-4489 |
| Desiree Ellis, Administrative Coordinator | +301-279-4492 | +301-279-4489 |
| Catherine Boegel, Human Resource Manager | +301-279-4494 | +240-465-0753 |
| Physician Services/Marketing | Phone | Fax |
|---|---|---|
| Karla Lane | +301-581-7148 | +301-279-4489 |
| IT Support (For Referring Physicians) | Phone |
|---|---|
| GCM Radiology | +301-581-7169 |
| Sibley Memorial Hospital | +202-243-5164 |
| Suburban Hospital | +301-896-3924 |
| General Information | Phone | Fax |
|---|---|---|
| GCM Bethesda—Suburban Imaging | +301-897-5656 | +301-897-5656 |
| GCM Chevy Chase | +301-656-0656 | +301-907-0340 |
| GCM Washington, DC | +202.452.0601 | +202.293.3086 |
| GCM Rockville | +301-762-2211 | +301-762-2259 |
| Sibley Memorial Hospital | +202-537-4781 | +202-363-6984 |
| Suburban Hospital | +301-896-2060 | +301-896-7399 |
| Billing Inquiries — Health Care Management Group | +800-813-6536 | +301-587-1489 |
| Billing Inquiries — Management Services Network | +800-841-4236 | +706-653-1230 |