Suggest an Edit Name* Categories* Doctor Hospital Pharmacy Add category State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:00 am — 05:00 pm Wednesday: 09:00 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Saturday: 09:00 am — 03:00 pm Company description Iona Sebastian located in the city of Washington, state Columbia. The legal address of the Doctor 3800 Jenifer Street NW. Directions to the Doctor Iona Sebastian can be found on our interactive map. Ask your questions by calling (202) 374-0742 on workdays.</br></br></br>NPI number: 1710278379</br>Provider's gender: Female</br>Practice names: Iona Sebastian, LCSW</br>Board certifications: Data not provided Your comments (not for publishing) * — Required information Iona Sebastian - Washington ← View details 3800 Jenifer Street NW, Columbia, Washington, 20015, Washington, Columbia 20015 (202) 374-0742