Gerard Alexander Mackinnon, MD
Student in an Organized Health Care Education/Training Program · Milwaukee, WI
Gerard Alexander Mackinnon, MD is a student in an organized health care education/training program with a practice address in Milwaukee, Wisconsin, and NPI 1457091779, issued on Apr 1, 2022. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gerard Alexander Mackinnon
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 955-7188
- Enumerated
- Apr 1, 2022
- Record last updated
- Apr 1, 2022
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 2,788 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 Gerard Alexander Mackinnon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $21.48
1 payment: food and beverage; the largest payer was Stryker Corporation. The 13,278 providers of this specialty with any payment received $608.08 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.
Gerard Alexander Mackinnon among 2,788 student in an organized health care education/training program records in Wisconsin
Gerard Alexander Mackinnon, MD is one of 2,788 student in an organized health care education/training program records with a practice address in Wisconsin. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 26% of them.
- NPI issued2022 · 26% of these records are older, 65% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2022 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,301 student in an organized health care education/training program records list a practice address in Milwaukee
They are 1,301 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,788 student in an organized health care education/training program records in Wisconsin.
All 2,788 in Wisconsin → Every provider in Milwaukee → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Elizabeth Becherer, M.D.Milwaukee, WI 532261043332075
- Osman Coello, M.D.Milwaukee, WI 532261114181112
- Paul JeziorczakMilwaukee, WI 532261942472915
- Mario Luc, MDMilwaukee, WI 532261700032059
- Erika Manning, MD, PHDMilwaukee, WI 532261346397247
- Asha MehtaMilwaukee, WI 532261659545465
- Danielle Peterson, MDMilwaukee, WI 532261043305873
- Mark Phelps, M.D.Milwaukee, WI 532261326243718
Common questions
What is Gerard Alexander Mackinnon, MD's NPI number?
Gerard Alexander Mackinnon, MD's National Provider Identifier (NPI) is 1457091779, issued on Apr 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Gerard Alexander Mackinnon, MD located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 955-7188. Providers update this record themselves, so call before visiting.
How can I verify Gerard Alexander Mackinnon, MD's license?
Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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.