Doctor profile · Federal record

Dr. Michael Whittaker, MD

Anatomic Pathology & Clinical Pathology Physician · Waukesha, WI

  • NPI 1336197441
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
725 American Ave
Waukesha, WI 531885031
(262) 928-2287
fax (262) 928-4699

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 22, 2021
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Wisconsin #33591

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336197441. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
489
Distinct HCPCS
8
Medicare allowed
$16,081
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 168 99 $34
88341 Special stained specimen slides to examine tissue, each additional procedure 132 27 $27
88344 Special stained specimen slides to examine tissue, each multiplex procedure 48 18 $37
88342 Special stained specimen slides to examine tissue, initial procedure 42 36 $33
88312 Special stained specimen slides to identify organisms including interpretation and report 37 19 $24
88360 Microscopic genetic analysis of tumor, manual 24 11 $40
88307 Pathology examination of tissue using a microscope, moderately high complexity 20 14 $78
88304 Pathology examination of tissue using a microscope, moderately low complexity 18 17 $11

In context: peer comparison

Among 2 peers in Waukesha Anatomic Pathology & Clinical Pathology Physician, average services per provider: 85. This provider delivers 5.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Whittaker's medical specialty?
Dr. Michael Whittaker practices Anatomic Pathology & Clinical Pathology Physician in Waukesha, WI.
Where does Dr. Michael Whittaker practice?
Dr. Michael Whittaker practices at 725 American Ave, Waukesha, WI 531885031. Office phone: 2629282287.
What is Dr. Michael Whittaker's NPI?
Dr. Michael Whittaker's National Provider Identifier (NPI) is 1336197441, issued by NPPES.
What procedures does Dr. Michael Whittaker commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Special stained specimen slides to examine tissue, each multiplex procedure (HCPCS 88344). Source: CMS Medicare Physician & Other Practitioners file.