HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / SD

ELLEN O FARRELL, PA

PHYSICIAN ASSISTANT

Graduated: 2022

Offers telehealth

NPI: 1386350171

Practice Locations (3)

AVERA MCKENNAN

1301 S CLIFF AVE

SIOUX FALLS, SD 571051023

AVERA MCKENNAN

1301 S CLIFF AVE, SUITE 610

SIOUX FALLS, SD 571051032

6053228860

ST MICHAEL'S HOSPITAL, INC.

410 W 16TH AVE

TYNDALL, SD 570662318

6055892158

Source: CMS National Downloadable File, September 2026.

ELLEN FARRELL, PA | HealthCareAtlasUSA