Michael J. Berger, M.D.
Emergency Medicine Physician · Waukesha, WI
Michael J. Berger, M.D. is an emergency medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1821170333, issued on Oct 20, 2006. Check the license (Wisconsin 48467020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael J. Berger
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 48467020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 725 American Ave, Waukesha, WI 53188
- Phone
- (262) 928-2000
- Enumerated
- Oct 20, 2006
- Record last updated
- Jan 3, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070711000363); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2004
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 725 American Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zuber Ali, M.D.Cardiovascular Disease Physician1548536204
- Heather AvelloneFamily Nurse Practitioner1114499001
- Mark Bakalars, M.D.Vascular & Interventional Radiology Physician1174518724
- Lisa BakerAdult Health Nurse Practitioner1588973275
- Melissa Becker, PA-CPhysician Assistant1780132944
Verify Michael J. Berger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 48467020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average emergency medicine physician in 2024
244 Medicare Part D claims for 157 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Doxycycline Hyclate41 claims
- Prednisone35 claims
- Cefdinir30 claims
- Cephalexin18 claims
- Hydrocodone-Acetaminophen17 claims
- Ondansetron Odt13 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.
Bills Medicare through one group practice
- Emergency Medical Associates LLPWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael J. Berger among 1,464 emergency medicine physician records in Wisconsin
Michael J. Berger, 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 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 fileYes · 58% of these records are
- Graduated2004 · median 2011 among the 844 with a school on file
- Record last updated2009 · 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).
Emergency Medicine Physician providers in Wisconsin
There are 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Waukesha → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Alan Abdulla, D.O.Waukesha, WI 531881508164419
- Matthew Deluhery, M.D.Waukesha, WI 531881477725547
- Carlos Feliciano, M.D.Waukesha, WI 531881114189701
- Timothy Helz, M.D.Waukesha, WI 531881306828017
- Brian Huckstorf, M.D.Waukesha, WI 531881447236492
- Steven Kulick, M.D.Waukesha, WI 531881043297658
- James Mateer, M.D.Waukesha, WI 531881184604456
- Keith Mausner, M.D.Waukesha, WI 531881164409843
Common questions
What is Michael J. Berger, M.D.'s NPI number?
Michael J. Berger, M.D.'s National Provider Identifier (NPI) is 1821170333, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael J. Berger, M.D. located?
The NPPES record lists a practice address at 725 American Ave, Waukesha, WI, 53188. Phone: (262) 928-2000. Providers update this record themselves, so call before visiting.
How can I verify Michael J. Berger, M.D.'s license?
NPPES lists Wisconsin license number 48467020, 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 Michael J. Berger, M.D. prescribe under Medicare Part D?
In 2024, Michael J. Berger, M.D. had 244 Medicare Part D claims for 157 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.