MICHAEL GERALD TRESP (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1245265644
Anatomic Pathology & Clinical Pathology Physician
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NPPES metrics only — not quality of care.
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Provider Addresses for MICHAEL GERALD TRESP (MD)
Aurora West Allis Medical Center, 8901, West Lincoln Avenue, West Allis, Milwaukee County, Wisconsin, 53227, United States
WEST ALLIS, WI 532272477
Phone: (414) 328-7950
Fax: (414) 328-8505
Type: Mailing
855, North Westhaven Drive, Oshkosh, Winnebago County, Wisconsin, 54904, United States
OSHKOSH, WI 549047668
Phone: (920) 456-7502
Fax: (920) 456-7501
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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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: 2004-01-19
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 |
|---|---|---|---|---|
| I20040119000704 | I | Pathology | WI | 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 | 456 | 228 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 40 | 34 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 36 | 26 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 28 | 26 | $0 |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | 17 | 16 | $0 |
Insurance plans in this area (ZIP 53227)
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Provider's Procedures
Group practice members
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