Jon David Brethauer, D.O.
Anesthesiology Physician · West Allis, WI
Jon David Brethauer, D.O. is an anesthesiology physician with a practice address in West Allis, Wisconsin, and NPI 1720159874, issued on Nov 12, 2006. Check the license (Wisconsin 48870-021, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jon David Brethauer
- Credential
- D.O.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 48870-021 WI
Self-reported in NPPES; status is on the state search - Practice location
- 8901 W Lincoln Ave, West Allis, WI 53227
- Phone
- (414) 328-6000
- Enumerated
- Nov 12, 2006
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080613000123); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 8901 W Lincoln Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amrou Abdelkader, MDAnatomic Pathology & Clinical Pathology Physician1316364698
- Adekunle Adesokan, M.D.Anatomic Pathology & Clinical Pathology Physician1790777043
- Raheel Akhtar, MDHospitalist Physician1750904132
- Tara Alauf, CRNACertified Registered Nurse Anesthetist1639534191
- Orlando Alvarez, M.D.Hospitalist Physician1093731929
- John Amuzu, M.D.Anesthesiology Physician1609859651
Verify Jon David Brethauer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 48870-021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Aurora Medical Group, Inc.West Allis, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jon David Brethauer among 1,313 anesthesiology physician records in Wisconsin
Jon David Brethauer, D.O. is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% 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 20% of them.
- NPI issued2006 · 20% of these records are older, 49% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · median 2006 among the 872 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 anesthesiology physician records list a practice address in West Allis
They are 29 of the 1,362 NPPES records with a practice address in West Allis, and 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in West Allis → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- John Amuzu, M.D.West Allis, WI 532271609859651
- Bret Borowski, M.D.West Allis, WI 532271659354629
- Daniel Hellman, M.D.West Allis, WI 532271285617092
- Clifford Opatken, M.D.West Allis, WI 532271386628758
- Lily Qian, MDWest Allis, WI 532271164474862
- James Rusch, M.D.West Allis, WI 532271346211133
- Mark Schaefer, M.D.West Allis, WI 532271629052428
- Polisetty Sekhar, M.D.Milwaukee, WI 532271487638649
Common questions
What is Jon David Brethauer, D.O.'s NPI number?
Jon David Brethauer, D.O.'s National Provider Identifier (NPI) is 1720159874, issued on Nov 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jon David Brethauer, D.O. located?
The NPPES record lists a practice address at 8901 W Lincoln Ave, West Allis, WI, 53227. Phone: (414) 328-6000. Providers update this record themselves, so call before visiting.
How can I verify Jon David Brethauer, D.O.'s license?
NPPES lists Wisconsin license number 48870-021, 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.
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.