STEVEN MICHAEL VANDERWERF (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1215082169
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
518 PATHOLOGY in MN
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Provider Addresses for STEVEN MICHAEL VANDERWERF (MD)
5700, Southwyck Boulevard, Southwyck, Toledo, Lucas County, Ohio, 43614, United States
TOLEDO, OH 436141509
Phone: (800) 288-8325
Fax: (419) 866-5453
Type: Mailing
301, Becker Avenue Southwest, Willmar, Kandiyohi County, Minnesota, 56201, United States
WILLMAR, MN 562013302
Phone: (320) 231-4500
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $46.
Total Amount is formed as General ($46) + Research ($0) + Ownership ($0) = $46.
Last reported payment date: 2024-05-01 • Largest payer in this snapshot: Cepheid ($29).
Total Amount
$46
General + Research + Ownership
Payments
2
Total payment records
General Amount
$46
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Cepheid | $29 |
| Abbott Laboratories | $16 |
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: 2009-09-08
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20090908000635 | I | Pathology | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 942 | 511 | $0 |
| 84165 | Protein measurement, serum | 128 | 105 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 127 | 45 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 117 | 102 | $0 |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | 92 | 63 | $0 |
Insurance plans in this area (ZIP 43614)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | MN | 88342 | Tissue or cell analysis by immunologic technique | 155 | 129 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | OH | |
| - | OH | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | MN |
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