Doctor profile · Federal record

Dr. Michael Tresp, MD

Anatomic Pathology & Clinical Pathology Physician · Oshkosh, WI

  • NPI 1245265644
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
855 N Westhaven Drive
Oshkosh, WI 549047668
(920) 456-7502
fax (920) 456-7501
Mailing address
8901 W Lincoln Ave
West Allis, WI 532272477

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 9, 2021
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Wisconsin #26060

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245265644. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
590
Distinct HCPCS
6
Medicare allowed
$20,464
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 456 228 $35
88304 Pathology examination of tissue using a microscope, moderately low complexity 40 34 $11
88307 Pathology examination of tissue using a microscope, moderately high complexity 36 26 $76
88342 Special stained specimen slides to examine tissue, initial procedure 28 26 $32
88312 Special stained specimen slides to identify organisms including interpretation and report 17 16 $25
88311 Preparation of tissue for examination by removing any calcium present 13 11 $12

In context: peer comparison

Among 2 peers in this city , average services per provider: 110. This provider delivers 5.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Tresp's medical specialty?
Dr. Michael Tresp practices Anatomic Pathology & Clinical Pathology Physician in Oshkosh, WI.
Where does Dr. Michael Tresp practice?
Dr. Michael Tresp practices at 855 N Westhaven Drive, Oshkosh, WI 549047668. Office phone: 9204567502.
What is Dr. Michael Tresp's NPI?
Dr. Michael Tresp's National Provider Identifier (NPI) is 1245265644, issued by NPPES.
What procedures does Dr. Michael Tresp commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, moderately low complexity (HCPCS 88304); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.