Bryn Elizabeth Eisfelder, M.D.
Emergency Medicine Physician · Milwaukee, WI
Bryn Elizabeth Eisfelder, M.D. is an emergency medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1417481128, issued on Apr 19, 2017. Check the license (Wisconsin 75416-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Bryn Elizabeth Eisfelder
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 75416-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2900 W Oklahoma Ave, Milwaukee, WI 53215
- Phone
- (414) 649-7299
- Enumerated
- Apr 19, 2017
- Record last updated
- Oct 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210810000668); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2017
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 2900 W Oklahoma Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Bryn Elizabeth Eisfelder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 75416-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average emergency medicine physician in 2024
203 Medicare Part D claims for 135 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Ondansetron Odt23 claims
- Cephalexin17 claims
- Prednisone14 claims
- Oxycodone Hcl12 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
- Ermed, SCCudahy, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bryn Elizabeth Eisfelder among 1,464 emergency medicine physician records in Wisconsin
Bryn Elizabeth Eisfelder, 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 2017, is newer than 78% of them.
- NPI issued2017 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2011 among the 844 with a school on file
- Record last updated2021 · 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
- Kevin Averill, MDMilwaukee, WI 532151700834645
- Michael Becker, MDMilwaukee, WI 532151073561908
- David Bokerman, MDMilwaukee, WI 532151336107986
- Andrew Calvert, MDMilwaukee, WI 532151396703534
- Eduardo Castro, MDMilwaukee, WI 532151942258884
- Glenn Gessert, MDMilwaukee, WI 532151255399739
- Kyle Hansen, MDMilwaukee, WI 532151417905035
- William Harshbarger, MDMilwaukee, WI 532151750349916
Common questions
What is Bryn Elizabeth Eisfelder, M.D.'s NPI number?
Bryn Elizabeth Eisfelder, M.D.'s National Provider Identifier (NPI) is 1417481128, issued on Apr 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Bryn Elizabeth Eisfelder, M.D. located?
The NPPES record lists a practice address at 2900 W Oklahoma Ave, Milwaukee, WI, 53215. Phone: (414) 649-7299. Providers update this record themselves, so call before visiting.
How can I verify Bryn Elizabeth Eisfelder, M.D.'s license?
NPPES lists Wisconsin license number 75416-20, 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 Bryn Elizabeth Eisfelder, M.D. prescribe under Medicare Part D?
In 2024, Bryn Elizabeth Eisfelder, M.D. had 203 Medicare Part D claims for 135 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.