Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Aaron Timothy Althaus, MD

Individual provider Orthopaedic Surgery Physician · NPI 1518195619

Aaron Timothy Althaus, MD is an Orthopedic Surgery in Dakota Dunes, South Dakota. Graduated from University of Iowa, Rj & L Carver College of Medicine in 2009, 17 years ago. Practices with Cnos PC, a 98-clinician group and works from 2 locations. Licensed in Iowa, Kansas, Nebraska and South Dakota.

Years since qualifying
17
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
IA, KS, NE, SD
In the registry since
2009
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

575 N Sioux Point Rd
Dakota Dunes, SD 57049-5312
Phone: (605) 217-2667
Fax: (605) 217-2900
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • Ms #3017, 3901 Rainbow Blvd., Kansas City, KS 66160-0001 — (913) 588-7590

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 11279 (SD)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 31149 (NE)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 94-07232 (KS)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence MD-42778 (IA)

Record details

NPI number1518195619
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 26, 2009
Last updated in NPPESDecember 10, 2025
Certification dateDecember 10, 2025
Mailing address575 N Sioux Point Road, Dakota Dunes, SD 57049-5312

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Also practisesSPORTS MEDICINE
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Cnos Pc — 98 clinicians
Accepts Medicare assignment Not indicated
Practice locations9 on file with Medicare

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