Michael Tresp, MD
NPI 1245265644 · Anatomic Pathology & Clinical Pathology Physician · Oshkosh, WI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Tresp, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Oshkosh, WI (NPI 1245265644).
Provider details
- NPI number
- 1245265644
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 26060 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
372 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 286 | $35 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 31 | $76 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 20 | $10 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 18 | $32 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 17 | $11 |
Typical Medicare-allowed amounts for these services range $10–$76 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2021-12-09
- Certified
- 2021-12-09
Frequently asked questions
- What is Michael Tresp's NPI number?
- Michael Tresp's National Provider Identifier (NPI) is 1245265644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Tresp's specialty?
- Michael Tresp is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Tresp located?
- Michael Tresp's practice location on file with NPPES is 855 N Westhaven Drive, Oshkosh, WI 54904-7668.
- What is Michael Tresp's phone number?
- The practice phone number listed in the NPPES registry for Michael Tresp is (920) 456-7502.
- Does Michael Tresp accept Medicare?
- Michael Tresp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Tresp's NPI active?
- Yes — Michael Tresp's NPI (1245265644) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.