MARK LEON WILLENBRING (MD) – Psychiatry Physician, NPI 1003930124
Psychiatry Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MARK LEON WILLENBRING (MD)
360 SHERMAN ST
STE 100
SAINT PAUL, MN 551022564
Phone: (651) 241-5959
Fax: (651) 241-5958
Type: Mailing
745 VICTORIA ST S
SAINT PAUL, MN 551024203
Phone: (202) 379-6736
Type: Mailing
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: 2024-11-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 16 Medicare enrollment records; no due dates published yet.
Enrollment records
16
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 |
|---|---|---|---|---|
| I20100114000834 | I | Psychiatry | MN | TBD |
| I20240208004211 | I | Psychiatry | NY | TBD |
| I20240621002495 | I | Psychiatry | NC | TBD |
| I20240808000951 | I | Psychiatry | RI | TBD |
| I20240809000993 | I | Psychiatry | NM | TBD |
| I20240809001344 | I | Psychiatry | OK | TBD |
| I20240809001869 | I | Psychiatry | AR | TBD |
| I20240809002780 | I | Psychiatry | CO | TBD |
| I20240916003093 | I | Psychiatry | IL | TBD |
| I20240917004971 | I | Psychiatry | ND | TBD |
| I20240919001970 | I | Psychiatry | CA | TBD |
| I20240926001202 | I | Psychiatry | MI | TBD |
| I20240926003415 | I | Psychiatry | SC | TBD |
| I20240926003763 | I | Psychiatry | WV | TBD |
| I20241007000909 | I | Psychiatry | OH | TBD |
| I20241126001647 | I | Psychiatry | IN | 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 55102)
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