Thomas Rosier, D.O.
Emergency Medicine Physician · Milwaukee, WI
Thomas Rosier, D.O. is an emergency medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1255358883, issued on Jul 17, 2006. Check the license (Wisconsin 46670, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Rosier
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 46670 WI
20A8717 CA
036-098236 IL
02001867A IN
Self-reported in NPPES; status is on the state search - Practice location
- 5000 W Chambers St, Milwaukee, WI 53210
- Phone
- (414) 447-2000
- Enumerated
- Jul 17, 2006
- Record last updated
- Apr 7, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 43523900 WI
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 5000 W Chambers St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeanine Angeli, OTROccupational Therapist1467611095
- Sonja Araoz, APNPFamily Nurse Practitioner1396371910
- Robert Arfman, MDAnesthesiology Physician1396789111
- Yasaman Ataei, MDStudent in an Organized Health Care Education/Training Program1437738630
Verify Thomas Rosier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 46670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average emergency medicine physician in 2024
90 Medicare Part D claims for 56 beneficiaries, against an average of 226 among the 54,106 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Thomas Rosier among 1,464 emergency medicine physician records in Wisconsin
Thomas Rosier, D.O. is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2017 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
358 emergency medicine physician records list a practice address in Milwaukee
They are 358 of the 18,389 NPPES records with a practice address in Milwaukee, and 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Milwaukee → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jonathan Amrhein, M.D.Milwaukee, WI 532101497102693
- Jeffrey Green, MDMilwaukee, WI 532101538150958
- Socrates Kaitson, DOMilwaukee, WI 532101558924423
- Lisa Maurer, M.D.Milwaukee, WI 532101316101975
- Richard Moran, DOMilwaukee, WI 532101417998113
- Sean Quinn, D.O.Milwaukee, WI 532101346265600
- Catherine Wolf, M.D.Milwaukee, WI 532101750308342
- Todd Zalut, M.D.Milwaukee, WI 532101487671079
Common questions
What is Thomas Rosier, D.O.'s NPI number?
Thomas Rosier, D.O.'s National Provider Identifier (NPI) is 1255358883, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Rosier, D.O. located?
The NPPES record lists a practice address at 5000 W Chambers St, Milwaukee, WI, 53210. Phone: (414) 447-2000. Providers update this record themselves, so call before visiting.
How can I verify Thomas Rosier, D.O.'s license?
NPPES lists Wisconsin license number 46670, 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 Thomas Rosier, D.O. prescribe under Medicare Part D?
In 2024, Thomas Rosier, D.O. had 90 Medicare Part D claims for 56 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Thomas Rosier, D.O.'s MIPS final score?
The 2023 MIPS final score is 91.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.