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 Dr. Ellen Katherine O'Brien located in the city of Washington, state Columbia. The legal address of the Doctor 2141 K St NW. Directions to the Doctor Dr. Ellen Katherine O'Brien can be found on our interactive map. Ask your questions by calling 2028334543 on workdays.</br></br></br>NPI number: Data not provided</br>Provider's gender: Data not provided</br>Practice names: Data not provided</br>Board certifications: American Board of Pediatrics Certification in Pediatrics Your comments (not for publishing) * — Required information Dr. Ellen Katherine OBrien - Washington ← View details 2141 K St NW, Columbia, Washington, 20037, Washington, Columbia 20037 2028334543