Erin Eferem, M.D.
Emergency Medicine Physician · Berlin, WI
Erin Eferem, M.D. is an emergency medicine physician with a practice address in Berlin, Wisconsin, and NPI 1700106796, issued on Jun 2, 2010. Check the license (Wisconsin 60303-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Erin Eferem
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 60303-20 WI
4301096495 MI
Self-reported in NPPES; status is on the state search - Practice location
- 225 Memorial Dr, Berlin, WI 54923
- Phone
- (920) 361-5525
- Enumerated
- Jun 2, 2010
- Entity
- Type 1 · individual
Also registered at 225 Memorial Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brice Alvord, M.D.Diagnostic Radiology Physician1679734669
- Allison BehnkeSpeech-Language Pathologist1528714656
- William Bergthold, OTROccupational Therapist1578682852
- Steven Blaha, MDInternal Medicine Physician1407865181
- Katherine BorkovecSpeech-Language Pathologist1528664414
- Jessica Braun, PTAPhysical Therapy Assistant1528513272
Verify Erin Eferem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 60303-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
45% fewer Medicare Part D claims than the average emergency medicine physician in 2024
194 Medicare Part D claims for 151 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen19 claims
- Cephalexin17 claims
- Prednisone17 claims
- Tramadol Hcl15 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.
One hospital or facility affiliation
- Thedacare Regional Medical Center - Appleton, IncOshkosh, WI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
3 emergency medicine physician records list a Berlin practice address
They are 3 of the 132 NPPES records with a Berlin practice address, and 1,420 emergency medicine physician records in Wisconsin.
All 3 in Berlin → All 1,420 in Wisconsin → Every provider in Berlin →
Other emergency medicine physician records in Wisconsin
- Hythem Abad, DOPortage, WI1548799455
- Alan Abdulla, D.O.Waukesha, WI1508164419
- Krystyna Abdulla, DONew Berlin, WI1205146578
- Abdulmoniem Abdulmoniem, M.D.Elkhorn, WI1194175042
- Justine Abel, DOEau Claire, WI1861830507
- Denise Abernethy, M.D.Oak Creek, WI1376718650
- Michael Abernethy, MDMadison, WI1013972579
- Meinkeng Acha-Morfaw, MDMadison, WI1467934836
- Manish Acharya, M.D.Milwaukee, WI1437129715
- Axel AdamsMadison, WI1366905192
Common questions
What is Erin Eferem, M.D.'s NPI number?
Erin Eferem, M.D.'s National Provider Identifier (NPI) is 1700106796, issued on Jun 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Erin Eferem, M.D. located?
The NPPES record lists a practice address at 225 Memorial Dr, Berlin, WI, 54923. Phone: (920) 361-5525. Providers update this record themselves, so call before visiting.
How can I verify Erin Eferem, M.D.'s license?
NPPES lists Wisconsin license number 60303-20, 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 Erin Eferem, M.D. prescribe under Medicare Part D?
In 2024, Erin Eferem, M.D. had 194 Medicare Part D claims for 151 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.