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

Dr. Alex James Linn, MD

Individual provider Neurology Physician · NPI 1003177338

Dr. Alex James Linn, MD is a Neurology in Sioux Falls, South Dakota. Qualified in 2011, 15 years ago. Practices with Avera McKennan, a 962-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
15
Licensed in
SD
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1301 S Cliff Ave Ste 610
Sioux Falls, SD 57105
Phone: (605) 322-8860
Fax: (605) 322-8868
Show map & directions

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

Additional practice locations (3)

  • 788 Service Rd Ste B-401, East Lansing, MI 48824-7013 — (517) 432-9277
  • 1215 E Michigan Ave, Lansing, MI 48912-1811 — (517) 432-9277
  • 1325 S. Cliff Ave, Sioux Falls, SD 57105-1032 — (605) 332-8000

Specialties & licences

Vascular Neurology Physician (primary) Taxonomy 2084V0102X · Licence 11423 (SD)
Neurology Physician Taxonomy 2084N0400X · Licence 11423 (SD)

Record details

NPI number1003177338
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 4, 2012
Last updated in NPPESMay 6, 2026
Certification dateMay 6, 2026

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Avera McKennan — 962 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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