MARTHA ARWEN KARLSTAD (M.D.) – Psychiatry Physician, NPI 1457589954
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
677 PSYCHIATRY in WI
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Provider Addresses for MARTHA ARWEN KARLSTAD (M.D.)
Vernon Memorial Hospital, 507, South Main Street, Viroqua, Vernon County, Wisconsin, 54665, United States
VIROQUA, WI 546652059
Phone: (608) 637-2101
Fax: (608) 638-5042
Type: Mailing
South Main Street, Viroqua, Vernon County, Wisconsin, 54665, United States
VIROQUA, WI 54665
Phone: (608) 637-3174
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2014-06-11
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 |
|---|---|---|---|---|
| I20140611002284 | I | Psychiatry | WI | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 54665)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Physician Assistant | WI | |
| Diagnostic Radiology | WI | |
| General Surgery | WI | |
| - | WI | |
| Cardiovascular Disease (Cardiology), Internal Medicine, Interventional Cardiology, Cardiovascular Disease (Cardiology) | NY | |
| P A T H O L O G Y | MN | |
| Nurse Practitioner | WI | |
| P A T H O L O G Y | NM |
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