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Family Practice

Michelle Asuncion-Castor, DO

Works at hospitals in Milwaukee, WI · West Allis, WI · Wisconsin

Summary

Dr. Michelle Asuncion-Castor, DO is a family doctor at 14555 W National Ave, Suite 175, New Berlin, WI 53151. Phone: (262) 827-3144. Accepts Medicare assignment. NPI 1952044075. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 14555 W National Ave, Suite 175, New Berlin, WI 53151 · Directions
  • Phone: (262) 827‑3144
  • Medicare: Accepts Medicare assignment
  • Hospitals: Aurora St Lukes Medical Center, West Allis Memorial Hospital
  • Group practice: Aurora Advanced Healthcare, Inc.
  • Medical school: Des Moines University Of Osteopathic Medicine And Health Sciences · graduated 2022 (4 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Michelle Asuncion-Castor, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Michelle Asuncion-Castor accept Medicare assignment?
Yes. Medicare's clinician data says Michelle Asuncion-Castor 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 Michelle Asuncion-Castor's NPI number?
1952044075. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michelle Asuncion-Castor works

Medicare's Facility Affiliation Data lists Michelle Asuncion-Castor 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.

Practice locations

Addresses where Michelle Asuncion-Castor is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michelle Asuncion-Castor as a member of this group (CMS data updated October 2, 2026).

  • Aurora Advanced Healthcare, Inc.1,124 clinicians in the group

Specialties

Find other Family Practice doctors in Wisconsin →

Other family doctors in New Berlin

Clinicians with the same Medicare primary specialty in New Berlin, WI — not a recommendation.

All family doctors in New Berlin →

Other clinicians in Aurora Advanced Healthcare, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolDes Moines University Of Osteopathic Medicine And Health Sciences
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1952044075
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians