Michael Massei, MD
Student in an Organized Health Care Education/Training Program · Milwaukee, WI
Michael Massei, MD is a student in an organized health care education/training program with a practice address in Milwaukee, Wisconsin, and NPI 1194396630, issued on Jul 6, 2021. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Massei
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 2400 W Villard Ave, Milwaukee, WI 53209
- Phone
- (414) 527-8191
- Enumerated
- Jul 6, 2021
- Record last updated
- Jul 7, 2021 (not updated in 5 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 2400 W Villard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hassan Ahmed, MDStudent in an Organized Health Care Education/Training Program1386438398
- Mir Mahboob Ali, MDStudent in an Organized Health Care Education/Training Program1457291874
- Sabrina Ali, MDFamily Medicine Physician1497334460
- Oluwafemi Aremu, MDFamily Medicine Physician1194567966
- Courtney Barry, PSYDClinical Psychologist1487183240
- Rebecca Bernstein, M.D.Family Medicine Physician1184859316
Verify Michael Massei 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
81% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
35 Medicare Part D claims for 12 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% 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.
Michael Massei among 2,788 student in an organized health care education/training program records in Wisconsin
Michael Massei, 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 2021, is newer than 20% of them.
- NPI issued2021 · 20% of these records are older, 74% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2021 · 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
- Chung Dao, M.D.Milwaukee, WI 532091053540161
- Ashley Esdaile, M.D.Milwaukee, WI 532091689929986
- Alyssa Fairservice, MDMilwaukee, WI 532091053929620
- Stephen GarzonMilwaukee, WI 532091932764537
- Ayla GreenMilwaukee, WI 532091609262229
- Malika Hudani, MDMilwaukee, WI 532091568983294
- Sadaf Jiwan, M.D.Milwaukee, WI 532091063863256
- Bridget Murphy, MDMilwaukee, WI 532091851031595
Common questions
What is Michael Massei, MD's NPI number?
Michael Massei, MD's National Provider Identifier (NPI) is 1194396630, issued on Jul 6, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Michael Massei, MD located?
The NPPES record lists a practice address at 2400 W Villard Ave, Milwaukee, WI, 53209. Phone: (414) 527-8191. Providers update this record themselves, so call before visiting.
How can I verify Michael Massei, MD's license?
Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Massei, MD prescribe under Medicare Part D?
In 2024, Michael Massei, MD had 35 Medicare Part D claims for 12 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.