DR. ALEX JAMES LINN (M.D.) – Vascular Neurology Physician, NPI 1003177338
Vascular Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
965 NEUROLOGY in MI
Provider Addresses for DR. ALEX JAMES LINN (M.D.)
1215 E Michigan Ave
Lansing, MI 489121811
Phone: (517) 432-9277
Fax: (517) 432-9414
Type: Location
788 Service Rd Ste B-401
East Lansing, MI 488247013
Phone: (517) 432-9277
Type: Location
1325 S. Cliff Ave
Dept of Neuro-Endovascular Surgery
Sioux Falls, SD 571051032
Phone: (605) 332-8000
Type: Location
1301 S CLIFF AVE STE 610
SIOUX FALLS, SD 571051032
Phone: (605) 322-8860
Fax: (605) 322-8868
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 13 Open Payments records for all available years, with a total value of $369.
Total Amount is formed as General ($369) + Research ($0) + Ownership ($0) = $369.
Last reported payment date: 2024-11-08 • Largest payer in this snapshot: Medtronic, Inc. ($139).
Total Amount
$369
General + Research + Ownership
Payments
13
Total payment records
General Amount
$369
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $139 |
| MicroVention, Inc. | $112 |
| DePuy Synthes Sales Inc. | $74 |
| Northern X-Ray Company | $23 |
| Microtransponder, Inc. | $21 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2019-07-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20190715001234 | I | Neurology | SD | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 99 | 49 | $0 |
| 36226 | Insertion of tube into brain artery for diagnosis or treatment with review by radiologist | 59 | 52 | $0 |
| 36224 | Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | 53 | 46 | $0 |
| 36227 | Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist | 48 | 42 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 42 | 36 | $0 |
Insurance plans in this area (ZIP 48912)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IA | |
| - | SD | |
| Internal Medicine, Hospitalist | SD | |
| - | MN | |
| Physical Therapist In Private Practice | SD | |
| - | SD | |
| Diagnostic Radiology | OK | |
| Nurse Practitioner | SD | |
| Nurse Practitioner | SD | |
| Hospice/Palliative Care | SD |
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