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

PATRICK A DREIS, PA

PHYSICIAN ASSISTANT

Graduated: 2003

NPI: 1245203132

Practice Locations (3)

AVERA MCKENNAN

301 FLYNN DR

MILBANK, SD 572521508

6054324587

SANFORD MEDICAL CENTER

4405 E 26TH ST

SIOUX FALLS, SD 571034187

6053322883

SANFORD MEDICAL CENTER

901 4TH ST NW

WATERTOWN, SD 572011558

6058868471

Source: CMS National Downloadable File, September 2026.