Benjamin A Feinzimer, D.O.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

036126435 Issued in IL

Practice address

6308 8TH Ave
Kenosha, WI 53143-5031

Phone

(414) 290-6720

Fax

(414) 290-6755

NPI assigned

May 9, 2008

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WI, IL, OH3 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 3

Specialty

Emergency Medicine

Education

Midwestern University, Chicago College of Osteopathic Med, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.Group PAC ID 9335059856, 566 clinicians

Ihc Beaver Dam Emergency Physicians, LLCGroup PAC ID 8123129657, 24 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northshore University Healthsystem - Evanston Hospital Hospital, Evanston, IL, CCN 140010
• Aspirus Rhinelander Hospital Hospital, Rhinelander, WI, CCN 520019
• Marshfield Medical Center - Beaver Dam (MMC-BD) Hospital, Beaver Dam, WI, CCN 520076

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bfeinzimer348440@direct.froedtert.com
• Direct secure messaging: bfeinzimerdo306079@carlehiedirect.net
• Direct secure messaging: benjamin.feinzimer.1@24989.direct.athenahealth.com

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.

• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Clinic/Center
  • Stevens Point, WI
  • NPI 1144991340
  Medicare reassignment Care Compare group NPD
• Ihc Beaver Dam Emergency Physicians, LLC

  • Emergency Medicine Physician
  • Beaver Dam, WI
  • NPI 1912109836
  Medicare reassignment Care Compare group NPD
• Aspirus Eagle River Hospital & Clinics, Inc.

  • Critical Access Hospital
  • Eagle River, WI
  • NPI 1346204385
  Medicare reassignment NPD
• Advocate Health and Hospitals Corporation

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment NPD
• Endeavor Health Medical Group

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882
  Medicare reassignment NPD
• Ohio Emergency Professionals Inc

  • Emergency Medicine Physician
  • Columbus, OH
  • NPI 1982983425
  Medicare reassignment NPD
• Emergency Medicine Specialists, S.C.

  • Emergency Medicine Physician
  • Milwaukee, WI
  • NPI 1568413524
  Medicare reassignment
• The Howard Young Medical Center, Inc.

  • General Acute Care Hospital
  • Woodruff, WI
  • NPI 1184673352
  Medicare reassignment
• Aspirus Eagle River Hospital, Inc.

  • Emergency Medicine Physician
  • Eagle River, WI
  • NPI 1699728915
  NPD
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Critical Access Hospital
  • Tomahawk, WI
  • NPI 1598715401
  NPD
• The Howard Young Medical Center, Inc.

  • General Acute Care Hospital
  • Woodruff, WI
  • NPI 1134183171
  NPD
• Advocate Health & Hospitals Corp.

  • Emergency Medicine Physician
  • Chicago, IL
  • NPI 1750315545
  NPD

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

• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc

  • Rural Health Clinic/Center
  • Rhinelander, WI
  • NPI 1598420218

  Hospital

  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Clinic/Center
  • Plover, WI
  • NPI 1053080168

  Hospital

  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Clinic/Center
  • Wittenberg, WI
  • NPI 1114696507

  Hospital

  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Clinic/Center
  • Stevens Point, WI
  • NPI 1144991340

  Hospital

  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Clinic/Center
  • Stevens Point, WI
  • NPI 1306515671

  Hospital

  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Clinic/Center
  • Amherst, WI
  • NPI 1316616428

  Hospital

  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Clinic/Center
  • Rhinelander, WI
  • NPI 1316616683

  Hospital

  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Family Medicine Physician
  • Stevens Point, WI
  • NPI 1336818608

  Hospital

  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • General Acute Care Hospital
  • Rhinelander, WI
  • NPI 1356391247
  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • General Practice Physician
  • Rhinelander, WI
  • NPI 1548628100

  Hospital

  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Rural Health Clinic/Center
  • Tomahawk, WI
  • NPI 1558912469

  Hospital

  Care Compare affiliation
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Clinic/Center
  • Iola, WI
  • NPI 1578232849

  Hospital

  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1210291200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1205003142",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 E WISCONSIN AVE",
            "address_2": "SUITE 2000",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532024815",
            "telephone_number": "414-290-6720",
            "fax_number": "414-290-6755"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6308 8TH AVE",
            "city": "KENOSHA",
            "state": "WI",
            "postal_code": "531435031",
            "telephone_number": "414-290-6720",
            "fax_number": "414-290-6755"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9961 Baldwin Pl",
            "address_purpose": "LOCATION",
            "city": "El Monte",
            "state": "CA",
            "postal_code": "917312203",
            "country_code": "US",
            "telephone_number": "813-416-6438",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FEINZIMER",
        "first_name": "BENJAMIN",
        "middle_name": "A",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-05-09",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036126435",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "P0104356",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• David Eric Farkas, MD
• Leah F. Farley, M.D.
• Zebi Fatima, MD
• Leah J Featherstone, PSYD
• Tarah A Fedenia
• Scott R Feldy, DO
• Virginia V Fennema, MSW, LCSW
• Karen Marie Fenske, NNP, APNP
• Linda M. Fenske, L.P.N.
• Carolyn M Ferda, LPC-IT

• Emergency Medicine Physician in Kenosha, WI
• Providers in Kenosha, WI by specialty
• Emergency Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.