DARIN DAVID WILLARDSEN (MD) – Hospitalist Physician, NPI 1346230034
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,636 INTERNAL MEDICINE in MN
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Provider Addresses for DARIN DAVID WILLARDSEN (MD)
1200, 6th Avenue North, St. Cloud, Stearns County, Minnesota, 56303, United States
ST CLOUD, MN 563032735
Phone: (320) 251-2700
Fax: (320) 240-2118
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $525.
Total Amount is formed as General ($525) + Research ($0) + Ownership ($0) = $525.
Last reported payment date: 2023-11-13 • Largest payer in this snapshot: Medtronic, Inc. ($525).
Total Amount
$525
General + Research + Ownership
Payments
1
Total payment records
General Amount
$525
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $525 |
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: 2025-04-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20100302000141 | I | Internal Medicine | MN | TBD |
| I20230221000317 | I | Internal Medicine | IA | TBD |
| I20250410000457 | I | Internal Medicine | ND | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 73 | 71 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 56 | 28 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 54 | 28 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 14 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 15 | 15 | $0 |
Insurance plans in this area (ZIP 56303)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Internal Medicine | MI | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Hospitalist, Internal Medicine | MN | |
| Nurse Practitioner | MN | |
| Family Practice | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Family Practice, Undersea And Hyperbaric Medicine, Emergency Medicine | MN |
Reviews
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