CNOS Locations & Hospital Affiliations

Dakota Dunes

Morningside

Northside

575 Sioux Point Road
Dakota Dunes, SD 57049
605-217-2667

Clinic Hours:
Monday - Friday 8 am - 5 pm

Rehab Hours:
Monday & Wednesday
7 am - 6:30 pm
Tuesday, Thursday & Friday
7 am - 5:30 pm

MRI Hours:
Monday - Friday

7:15 am - 7:15 pm

4802 Sunnybrook Drive
Sioux City, IA 51106
605-217-2667

Clinic Hours:
Monday - Friday

8 am - 5 pm

Rehab Hours:
Monday - Friday

7 am - 5:30 pm

Neurosurgery

Matt Johnson, MD

Neurology
Jon Grudem, MD
Mei He, ME

Orthopaedics

Ray Sherman, MD

Brian Johnson, MD

2735 Outer Drive North
Sioux City, IA 51104
605-217-2667

Clinic Hours:
Monday - Friday
8 am - 5 pm

Rehab Hours:
Monday - Friday
7 am - 5:30 pm

Neurology
Mei He, MD

Neurosurgery
Ralph F. Reeder, MD

Thorir Ragnarsson, MD

Orthopaedics

Michael T. Espiritu, MD

Steven J. Stokesbary, MD

Thomas P. Jacobson, MD

Moville

410 Main Street
Moville, IA 51039
712-873-5400

Rehab Hours:
Monday, Tuesday, Thursday
7 am - 5 pm

Wednesday 7 am - 3 pm

Friday 7 am - 1 pm

** Rehab Services Only **

CNOS clinicians are proud to serve at many locations in order to improve ease of access
to specialty care that is both high quality and convenient for patients in the
Iowa, Nebraska, and South Dakota tri-state region.


600 N Sioux Point Road Dakota Dunes, SD 57049 PH. 605-232-3332	801 5th Street, PO Box 3168 Sioux City, Iowa 51102 PH: 712-279-2010	2720 Stone Park Blvd. Sioux City, Iowa 51104 PH. 712-279-3500

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CNOS • 575 Sioux Point Road • Dakota Dunes, South Dakota 57049 • (605) 217-2667