Health Insurance Carriers in Gaithersburg, MD
Residents of Gaithersburg can compare marketplace health plans from CareFirst BlueCross BlueShield, Kaiser Permanente, UnitedHealthcare (Optimum Choice) and Wellpoint Maryland (availability varies by county). The dominant carrier in most Gaithersburg
ZIP codes is CareFirst BlueCross BlueShield.
Plan availability and premium amounts vary by ZIP code. Use your specific Gaithersburg ZIP code when comparing plans to see all available options.
How Residents in Gaithersburg Buy Coverage
Maryland does not use HealthCare.gov. Gaithersburg residents enroll through Maryland Health Connection, the state-based exchange, which publishes its own carrier list and county-level rates each autumn. Deadlines and special enrollment rules can differ from the federal marketplace — confirm current dates on Maryland Health Connection before enrolling.
Hospitals and Health Systems in Gaithersburg
Medicare’s hospital directory lists no acute-care hospital in Gaithersburg itself; these are the ones it lists in Montgomery County:
- Adventist HealthCare Shady Grove Medical Center
- Adventist HealthCare White Oak Medical Center
- Holy Cross Germantown Hospital
- MedStar Montgomery Medical Center
- Suburban Hospital
- Holy Cross Hospital
Which plans include each hospital varies by plan and year, not just by insurer. Before you enroll, confirm that your doctors and preferred hospital are in-network for the specific plan ID you choose. We do this check for every client at no charge.
ACA Subsidies and Medicaid in Gaithersburg
Residents of Gaithersburg may qualify for ACA premium tax credits if household income falls between
100% and 400% of the federal poverty level (~$15,650–$62,600 for a single adult in 2026).
Apply through healthcare.gov or a licensed broker during Open Enrollment or after a qualifying
life event.