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Obstetrics/Gynecology

Erika L. Peterson, MD

Works at hospitals in Milwaukee, WI · Wisconsin

Summary

Dr. Erika L. Peterson, MD is an OB-GYN at 17280 W N Ave, Suite 200, Brookfield, WI 53045. Phone: (262) 754-8000. Accepts Medicare assignment. NPI 1841238060. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 17280 W N Ave, Suite 200, Brookfield, WI 53045 · Directions (2 more locations)
  • Phone: (262) 754‑8000
  • Medicare: Accepts Medicare assignment
  • Hospital: Froedtert Memorial Lutheran Hospital
  • Group practice: The Medical College of Wisconsin Inc (+1 more)
  • Medical school: Southern Illinois University School Of Medicine · graduated 1999 (27 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Erika L. Peterson, 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 Erika L. Peterson accept Medicare assignment?
Yes. Medicare's clinician data says Erika L. Peterson 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 Erika L. Peterson's NPI number?
1841238060. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Erika L. Peterson works

Medicare's Facility Affiliation Data lists Erika L. Peterson 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 Erika L. Peterson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Erika L. Peterson as a member of these groups (CMS data updated October 2, 2026).

  • The Medical College of Wisconsin Inc2,115 clinicians in the group
  • Froedtert Andthe Medical College of Wisconsin Community Physicians Inc1,285 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Wisconsin →

Other OB-GYNs in Brookfield

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

All OB-GYNs in Brookfield →

Other clinicians in The Medical College of Wisconsin Inc

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

Clinician information

CredentialMD
Medical schoolSouthern Illinois University School Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841238060
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