Catherine Won Petersen, ANPBC MS

Provider is directly employed by MedStar Health

Insurance

This list represents the major payors accepted by MedStar Health.

NOTE: Payor contracts change and not all plans associated with a payor may be covered. Payors may offer multiple plans. If you have a question related to your insurance, please contact your insurance plan directly. Contact information is located on your health insurance ID card.

*Denotes limited participation. Some physicians and advanced practice providers (APPs), specialties, practices, or locations may not be covered by all insurance plans. If you want to see a participating physician or APP, contact your insurance plan to confirm they are covered and to have them assigned as your primary care physician or APP, if required by your plan.

** Effective January 1, 2027, MedStar Health hospitals, professional physicians and APPs, and home health will no longer participate in the HCSC/ Healthspring Medicare Advantage network.

• List of insurance plans we accept
  • Aetna
  • CareFirst BlueCross BlueShield of Maryland
  • Cigna Health Care
  • Kaiser Permanente*
  • MedStar Select (Administered by CareFirst)
  • United HealthCare
  • Aetna
  • CareFirst BlueCross BlueShield of Maryland
  • Healthspring **
  • Humana
  • Medicare & Railroad Medicare
  • United HealthCare
  • Aetna Better Health of Maryland *
  • Medical Assistance/Medicaid
  • MedStar Family Choice MD
  • Priority Partners *
  • United HealthCare Community Health Plan MD
  • Wellpoint MD
  • AmeriHealth Caritas
  • Health Services For Children With Special Needs (HSCSN)
  • Medical Assistance/Medicaid
  • MedStar Family Choice DC
  • Wellpoint DC
  • Johns Hopkins Employer Health Programs *
  • Johns Hopkins US Family Health Plan *
  • MultiPlan
  • Private Healthcare Systems
  • Tricare/Humana Military
  • VA Community Care Network (VACCN)