Alex James Linn, M.D.
Vascular Neurology Physician · Sioux Falls, SD
Alex James Linn, M.D. is a vascular neurology physician with a practice address in Sioux Falls, South Dakota, and NPI 1003177338, issued on Jun 4, 2012. Check the license (South Dakota 11423, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Alex James Linn
- Credential
- M.D.
- Primary taxonomy
- Vascular Neurology Physician 2084V0102X
- License number
- 11423 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1301 S Cliff Ave Ste 610, Sioux Falls, SD 57105
- Phone
- (605) 322-8860
- Enumerated
- Jun 4, 2012
- Record last updated
- May 6, 2026
- Fax
- (605) 322-8868
- Medicare enrollment
- Enrolled (PECOS I20190715001234); accepts Medicare assignment
- Entity
- Type 1 · individual
3 nearest vascular neurology physician records → All 4 in South Dakota → Look up another NPI →
Also registered at 1301 S Cliff Ave Ste 610
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arsalan Anwar, M.D.Neurology Physician1760001838
- Jessica Cooke, CNPFamily Nurse Practitioner1275252710
- John CottonNurse Practitioner1306524210
- Tonya Ellingson, FNPFamily Nurse Practitioner1043788029
- Rebecca Hanten, CNPNurse Practitioner1023735727
- Tiffany Hogen, CNPNurse Practitioner1528601531
Verify Alex James Linn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 11423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average vascular neurology physician in 2024
34 Medicare Part D claims, against an average of 270 among the 598 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $93.74
4 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 461 providers of this specialty with any payment received $3,770.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Avera MckennanSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vascular Neurology Physician providers in South Dakota
There are 4 vascular neurology physician records in South Dakota.
All 4 in South Dakota → Every provider in Sioux Falls → Vascular Neurology Physician nationwide →
The 3 vascular neurology physician records with the nearest ZIP codes
- Divyajot Sandhu, M.D.Sioux Falls, SD 571041790915973
- Ryan Gianatasio, M.D.Rapid City, SD 577011144489550
- Erica Stoddard, MDRapid City, SD 577011871080846
Common questions
What is Alex James Linn, M.D.'s NPI number?
Alex James Linn, M.D.'s National Provider Identifier (NPI) is 1003177338, issued on Jun 4, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Alex James Linn, M.D. located?
The NPPES record lists a practice address at 1301 S Cliff Ave Ste 610, Sioux Falls, SD, 57105. Phone: (605) 322-8860. Providers update this record themselves, so call before visiting.
How can I verify Alex James Linn, M.D.'s license?
NPPES lists South Dakota license number 11423, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alex James Linn, M.D. prescribe under Medicare Part D?
In 2024, Alex James Linn, M.D. had 34 Medicare Part D claims; the average among vascular neurology physician prescribers was 270. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.