Quick answers
- Does Thomas J. Hazenfield accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas J. Hazenfield accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Thomas J. Hazenfield's NPI number?
- 1730876731. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas J. Hazenfield works
Medicare's Facility Affiliation Data lists Thomas J. Hazenfield at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Froedtert Community HospitalNew Berlin, WI · Acute Care Hospital · Emergency services: listed by Medicare · CCN 520213
- St Josephs Community Hospital West BendWest Bend, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520063
Practice locations
Addresses where Thomas J. Hazenfield is enrolled with Medicare (CMS data updated October 2, 2026).
- 11421 N Port Washington RdMequon, WI 53092 (262) 518‑4910
- W180n8085 Town Hall Rd, Fl 3Menomonee Falls, WI 53051 (262) 251‑1000
Group practices
Medicare enrollment lists Thomas J. Hazenfield as a member of this group (CMS data updated October 2, 2026).
- Froedtert Andthe Medical College of Wisconsin Community Physicians Inc1,285 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Mequon
Clinicians with the same Medicare primary specialty in Mequon, WI — not a recommendation.
Other clinicians in Froedtert Andthe Medical College of Wisconsin Community Physicians Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2023 (3 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730876731 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians