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Obstetrics/Gynecology

Allison M. Nelson, MD

Works at hospitals in Oconomowoc, WI · Waukesha, WI · Wisconsin

Summary

Allison M. Nelson, MD (Obstetrics/Gynecology) is listed by Medicare at 2 hospitals in Oconomowoc, WI and Waukesha, WI. NPI 1881836484. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Allison M. Nelson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
Medical College Of WisconsinMedical school
FemaleGender (as listed)
Moreland Ob-Gyn Associates S CGroup practice

Quick answers

Which hospitals does Allison M. Nelson work at?
Medicare's official clinician data lists Allison M. Nelson at 2 hospitals: Oconomowoc Memorial Hospital and Waukesha Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Allison M. Nelson see patients?
Medicare's clinician data lists 2 practice locations, including Waukesha, WI and Hartland, WI. Call before your visit to confirm the address.
What is Allison M. Nelson's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Allison M. Nelson accept Medicare assignment?
Yes. Medicare's clinician data says Allison M. Nelson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Allison M. Nelson?
(262) 544-4411, as listed in official Medicare / NPI Registry data.
What is Allison M. Nelson's NPI number?
1881836484. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Allison M. Nelson works

Medicare's Facility Affiliation Data lists Allison M. Nelson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Allison M. Nelson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Allison M. Nelson as a member of this group (CMS data updated 2026-10-02).

  • Moreland Ob-Gyn Associates S C14 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Wisconsin →

Other OB-GYNs in Waukesha

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

All OB-GYNs in Waukesha →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881836484
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians