Justin Corcoran, M.D.
Emergency Medicine Physician · Milwaukee, WI
Justin Corcoran, M.D. is an emergency medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1174903645, issued on May 31, 2015. Check the license (Wisconsin 73181, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Justin Corcoran
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 73181 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-6450
- Enumerated
- May 31, 2015
- Record last updated
- Nov 4, 2022
- Fax
- (414) 805-6464
- Medicaid ID
- 1174903645 WI
- Medicare enrollment
- Enrolled (PECOS I20200527002243); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 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.
- Shameem Aadam, RPHPharmacist1760755680
- Abubaker Abdalla, MDHospitalist Physician1194187617
- Sameem Abedin, MDHematology & Oncology Physician1063641157
- Lolia Abibo, M.D.Hospitalist Physician1912359795
- Haisam Abid, MBBSHospitalist Physician1578083184
- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify Justin Corcoran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 73181Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average emergency medicine physician in 2024
60 Medicare Part D claims for 48 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.
Bills Medicare through 2 group practices
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncNew Berlin, WI
- The Medical College OF Wisconsin IncWest Bend, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Corcoran among 1,464 emergency medicine physician records in Wisconsin
Justin Corcoran, M.D. 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 2015, is newer than 70% of them.
- NPI issued2015 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2015 · median 2011 among the 844 with a school on file
- Record last updated2022 · 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
- Eric Adar, MDWauwatosa, WI 532261255325726
- Tom Aufderheide, MDMilwaukee, WI 532261336190859
- Charles Cady, MDMilwaukee, WI 532261831140227
- Louis-Marcel Cesar, M.D.Milwaukee, WI 532261235116690
- Mario Colella, D.O.Milwaukee, WI 532261336106277
- Stephen Hargarten, MDMilwaukee, WI 532261760433502
- Manuel Hernandez, M.D.Milwaukee, WI 532261336102540
- Michael Lutes, MDMilwaukee, WI 532261629029475
Common questions
What is Justin Corcoran, M.D.'s NPI number?
Justin Corcoran, M.D.'s National Provider Identifier (NPI) is 1174903645, issued on May 31, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Justin Corcoran, M.D. located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-6450. Providers update this record themselves, so call before visiting.
How can I verify Justin Corcoran, M.D.'s license?
NPPES lists Wisconsin license number 73181, 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 Justin Corcoran, M.D. prescribe under Medicare Part D?
In 2024, Justin Corcoran, M.D. had 60 Medicare Part D claims for 48 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.