Erin K Eferem, M.D.

Individual provider Active NPI Emergency Medicine Physician · Berlin, WI

NPI 1700106796 · NPPES record last updated Apr 26, 2022

Key facts

NPI
1700106796
Entity type
Individual (NPI type 1)
Primary specialty
Emergency Medicine Physician 207P00000X
License
60303-20 (WI)
Practice address
225 Memorial Dr
Berlin, WI 54923-1243
Phone
(920) 361-5525
NPI assigned
Jun 2, 2010
Sex
Female
Sole proprietor
No

Organizations & group practices 17

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 10

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Medicare Care Compare profile

Specialty
Emergency Medicine
Education
Medical College of Wisconsin, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Thedacare Regional Medical Center - Appleton, Inc (14 clinicians)

Practice addresses (Care Compare)

250 W 6TH Ave
Oshkosh, WI 54902-5910
Phone (920) 651-8000

Hospital & facility affiliations

  • Thedacare Medical Center - Berlin Inc Hospital · Berlin, WI · CCN 521355
  • Thedacare Regional Medical Center - Appleton Inc Hospital · Appleton, WI · CCN 520160

Medicare participation

Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20131003000220 WI Practitioner - Emergency Medicine 8426282534 Reassigns benefits to 9 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
4301096495MIMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Thedacare Medical Center - Waupaca, Inc. Current
since Jan 1, 2026
Accepting new patients
Thedacare Regional Medical Center - Appleton Inc. Current
since Jan 19, 2026
Accepting new patients
Thedacare Regional Medical Center - Appleton, Inc. Current
since Jan 19, 2026
Accepting new patients
Richard S Veiga MD SC Current Accepting new patients
Thedacare Medical Center - Shawano, Inc. Current
since May 1, 2022
Accepting new patients
Thedacare Medical Center - Wild Rose, Inc Current
since Dec 2, 2024
Accepting new patients
Thedacare Medical Center - Waupaca, Inc. Current
since May 1, 2022
Accepting new patients
Thedacare Medical Center - Berlin, Inc. Current
since May 1, 2022
Accepting new patients
Thedacare Medical Center - New London, Inc. Current
since May 1, 2022
Accepting new patients
Thedacare Medical Center - Shawano, Inc. Current
since May 1, 2022
Accepting new patients
Thedacare Medical Center - Waupaca, Inc. Emergency Medicine Current
since May 1, 2022
Accepting new patients
Thedacare Medical Center - New London, Inc Current
since May 1, 2022
Accepting new patients
Thedacare Medical Center - Berlin, Inc. Current
since May 1, 2022
Accepting new patients

Locations

1506 S Oneida St
Appleton, WI 54915
Phone (920) 730-4950

1818 N Meade St
Appleton, WI 54911
Phone (920) 731-4101

225 Memorial Dr
Berlin, WI 54923
Phone (920) 361-1313

614 Memorial Dr
Chilton, WI 53014
Phone (800) 458-4042

3 Neenah Ctr
Neenah, WI 54956
Phone (920) 454-4229

1405 Mill St
New London, WI 54961
Phone (920) 531-2000

500 S Oakwood Rd
Oshkosh, WI 54904
Phone (920) 223-0501

250 W 6th Ave
Oshkosh, WI 54902
Phone (920) 237-5000

100 Cty Road B
Shawano, WI 54166
Phone (715) 524-2161

800 Riverside Dr
Waupaca, WI 54981
Phone (715) 258-1000

601 Grove Ave
Wild Rose, WI 54984
Phone (888) 287-4488

Interoperability endpoints

  • Direct secure messaging: eeferem186351@direct.thedacare.org

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 4301096495 MI
Emergency Medicine Physician 207P00000X 60303-20 WI Yes

Addresses

Primary practice location

225 Memorial Dr
Berlin, WI 54923-1243

Mailing address

3 Neenah Ctr
Neenah, WI 54956-3070
Phone (920) 361-5525

Other practice location 1

1506 S Oneida St
Appleton, WI 54915-1305
Phone (414) 290-6720

Other names

  • Erin K Mathewson Former name

Other providers in Berlin, WI

All providers in Berlin, WI · Emergency Medicine Physician in Wisconsin

Sources for this page

Verify at the official NPI Registry.