John Phillip Marquart, MD
Student in an Organized Health Care Education/Training Program · Milwaukee, WI
John Phillip Marquart, MD is a student in an organized health care education/training program with a practice address in Milwaukee, Wisconsin, and NPI 1417453317, issued on Apr 1, 2018. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Phillip Marquart
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 8701 W Watertown Plank RD, Milwaukee, WI 53226
- Phone
- (414) 955-1833
- Enumerated
- Apr 1, 2018
- Record last updated
- Apr 1, 2018 (not updated in 8 years: call before relying on the address or phone)
- 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 8701 W Watertown Plank RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Suhita AlluriStudent in an Organized Health Care Education/Training Program1417453341
- Naif Alsaikhan, MDVascular & Interventional Radiology Physician1255743860
- Eric Anderson, MDStudent in an Organized Health Care Education/Training Program1518595024
- Warren Anderson, MSPPerfusionist1194350991
Verify John Phillip Marquart 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
88% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
23 Medicare Part D claims for 15 beneficiaries, against an average of 185 among the 59,748 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.
John Phillip Marquart among 2,788 student in an organized health care education/training program records in Wisconsin
John Phillip Marquart, 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 2018, is newer than 12% of them.
- NPI issued2018 · 12% of these records are older, 86% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2018 · 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 John Phillip Marquart, MD's NPI number?
John Phillip Marquart, MD's National Provider Identifier (NPI) is 1417453317, issued on Apr 1, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Phillip Marquart, MD located?
The NPPES record lists a practice address at 8701 W Watertown Plank RD, Milwaukee, WI, 53226. Phone: (414) 955-1833. Providers update this record themselves, so call before visiting.
How can I verify John Phillip Marquart, MD's license?
Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does John Phillip Marquart, MD prescribe under Medicare Part D?
In 2024, John Phillip Marquart, MD had 23 Medicare Part D claims for 15 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.