DR. WILLIAM J SIEBEN – Marriage & Family Therapist, NPI 1659150845
Marriage & Family Therapist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
981 MARRIAGE AND FAMILY THERAPIST in MN
Provider Addresses for DR. WILLIAM J SIEBEN
PO BOX 23
ISANTI, MN 550400023
Phone: (763) 600-2911
Fax: (763) 244-1243
Type: Mailing
201 WEST MAIN ST.
ISANTI, MN 55040
Phone: (763) 600-2911
Fax: (763) 244-1243
Type: Location
9623 192nd Ave NE
Wyoming, MN 550926800
Phone: (763) 333-9838
Fax: (763) 333-9640
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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: 2024-01-02
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 |
|---|---|---|---|---|
| I20240102001976 | I | Marriage And Family Therapist | MN | 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 55040)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Mental Health Counselor | MN | |
| Mental Health Counselor | MN | |
| Clinical Psychologist | MN | |
| Marriage And Family Therapist | MN | |
| Marriage And Family Therapist | MN | |
| Mental Health Counselor | MN | |
| Clinical Psychologist | MN | |
| Marriage And Family Therapist | MN |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.