Michael H. Whittaker, MD
Anatomic Pathology & Clinical Pathology Physician · Waukesha, WI
Michael H. Whittaker, MD is an anatomic pathology & clinical pathology physician with a practice address in Waukesha, Wisconsin, and NPI 1336197441, issued on May 4, 2006. Check the license (Wisconsin 33591, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael H. Whittaker
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 33591 WI
Self-reported in NPPES; status is on the state search - Practice location
- 725 American Ave, Waukesha, WI 53188
- Phone
- (262) 928-2287
- Enumerated
- May 4, 2006
- Record last updated
- Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (262) 928-4699
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 335 in Wisconsin → Look up another NPI →
Also registered at 725 American Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael H. Whittaker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 33591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average anatomic pathology & clinical pathology physician in 2024
13 Medicare Part D claims, against an average of 192 among the 401 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Michael H. Whittaker among 335 anatomic pathology & clinical pathology physician records in Wisconsin
Michael H. Whittaker, MD is one of 335 anatomic pathology & clinical pathology physician records with a practice address in Wisconsin. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 47% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Wisconsin
There are 335 anatomic pathology & clinical pathology physician records in Wisconsin.
All 335 in Wisconsin → Every provider in Waukesha → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Steven Dubner, M.D.Waukesha, WI 531881497838361
- Karin Gerdisch, MDWaukesha, WI 531881194783803
- Winston Hollister, MDWaukesha, WI 531881487631396
- Collin Johnson, MDWaukesha, WI 531881760430771
- Brian Kueck, MDWaukesha, WI 531881063479392
- Sherri Mann, MDWaukesha, WI 531881174571210
- Zelda Okia, MDWaukesha, WI 531881578528121
- John Aussem, MDMilwaukee, WI 532011336172329
Common questions
What is Michael H. Whittaker, MD's NPI number?
Michael H. Whittaker, MD's National Provider Identifier (NPI) is 1336197441, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael H. Whittaker, MD located?
The NPPES record lists a practice address at 725 American Ave, Waukesha, WI, 53188. Phone: (262) 928-2287. Providers update this record themselves, so call before visiting.
How can I verify Michael H. Whittaker, MD's license?
NPPES lists Wisconsin license number 33591, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael H. Whittaker, MD prescribe under Medicare Part D?
In 2024, Michael H. Whittaker, MD had 13 Medicare Part D claims; the average among anatomic pathology & clinical pathology physician prescribers was 192. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.