DR. WALTER JOSEPH CROOK (MD) – Psychiatry Physician, NPI 1437372729
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
746 PSYCHIATRY in MN
Provider Addresses for DR. WALTER JOSEPH CROOK (MD)
1701 NE TECHNOLOGY DRIVE
WILLMAR, MN 56201
Phone: (320) 231-5906
Type: Mailing
1701 TECHNOLOGY DR NE
WILLMAR, MN 562012275
Phone: (320) 231-5906
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $161.
Total Amount is formed as General ($161) + Research ($0) + Ownership ($0) = $161.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Janssen Pharmaceuticals, Inc ($69).
Total Amount
$161
General + Research + Ownership
Payments
10
Total payment records
General Amount
$161
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Pharmaceuticals, Inc | $69 |
| Alkermes, Inc. | $59 |
| BioXcel Therapeutics, Inc. | $33 |
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: 2009-06-16
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 |
|---|---|---|---|---|
| I20090616000039 | I | Psychiatry | AL | 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 | 20 | 11 | $0 |
Insurance plans in this area (ZIP 56201)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| P S Y C H I A T R Y | AL | |
| Nurse Practitioner | AL | |
| Clinical Psychologist | AL | |
| Nurse Practitioner | AL | |
| Nurse Practitioner | AL | |
| P S Y C H I A T R Y | AL | |
| Nurse Practitioner | MS | |
| P S Y C H I A T R Y | SC | |
| Family Practice, General Practice | AL | |
| - | AL |
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.