William A. Pennant, M.D.
General Practice Physician · Milwaukee, WI
William A. Pennant, M.D. is a general practice physician with a practice address in Milwaukee, Wisconsin, and NPI 1811345184, issued on May 27, 2016. Check the license (Wisconsin 74216-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William A. Pennant
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- 74216-20 WI
01079773A IN
MT211396 PA
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-8710
- Enumerated
- May 27, 2016
- Record last updated
- Oct 21, 2025
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 105 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William A. Pennant in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 74216-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average general practice physician in 2024
20 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
Industry payments in 2024: $21.48
1 payment: food and beverage; the largest payer was Stryker Corporation. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William A. Pennant among 105 general practice physician records in Wisconsin
William A. Pennant, M.D. is one of 105 general practice physician records with a practice address in Wisconsin. 41% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 85% of them.
- NPI issued2016 · 85% of these records are older, 14% newer
- In a Medicare fileYes · 41% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2025 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Wisconsin
There are 105 general practice physician records in Wisconsin.
All 105 in Wisconsin → Every provider in Milwaukee → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Jung-Ki Cho, M.D.,Milwaukee, WI 532261841301389
- Douglas Grove, MDMilwaukee, WI 532261154941102
- Stacy Kaiser, MDMilwaukee, WI 532261699918573
- Annaliese Koller Shumate, D.O.Wauwatosa, WI 532261174812499
- Elizabeth Lampe, M.D.Milwaukee, WI 532261932465143
- Joseph Locke, D.OWauwatosa, WI 532261902078801
- Dawn Puls, M.D.Milwaukee, WI 532261174624464
- Amanda Reiswig, MDMilwaukee, WI 532261144492273
Common questions
What is William A. Pennant, M.D.'s NPI number?
William A. Pennant, M.D.'s National Provider Identifier (NPI) is 1811345184, issued on May 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is William A. Pennant, M.D. located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-8710. Providers update this record themselves, so call before visiting.
How can I verify William A. Pennant, M.D.'s license?
NPPES lists Wisconsin license number 74216-20, 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 William A. Pennant, M.D. prescribe under Medicare Part D?
In 2024, William A. Pennant, M.D. had 20 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.