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Obstetrics/Gynecology

Grace C. Worzalla, MD

Sees patients in Germantown, WI · Wisconsin

Summary

Dr. Grace C. Worzalla, MD is an OB-GYN at W180n11070 River Ln, Germantown, WI 53022. Phone: (262) 532-9700. Accepts Medicare assignment. In 2024, Grace C. Worzalla had 42 Original Medicare patients and 66 services. NPI 1922494806. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: W180n11070 River Ln, Germantown, WI 53022 · Directions
  • Phone: (262) 532‑9700
  • Medicare: Accepts Medicare assignment
  • Group practice: Aurora Advanced Healthcare, Inc.
  • Medical school: University Of Cincinnati College Of Medicine · graduated 2015 (11 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Grace C. Worzalla, 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 Grace C. Worzalla accept Medicare assignment?
Yes. Medicare's clinician data says Grace C. Worzalla 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.
How many Medicare patients does Grace C. Worzalla see?
In 2024, CMS data shows 42 Original Medicare patients and 66 services for Grace C. Worzalla. This counts Original Medicare only and measures volume, not quality.
What is Grace C. Worzalla's NPI number?
1922494806. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Grace C. Worzalla, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients42
Services billed to Medicare66
Different services or procedures13
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)30 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol55%
  • High blood pressure52%
  • Arthritis38%
  • Chronic kidney disease33%

Practice locations

Addresses where Grace C. Worzalla is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Grace C. Worzalla 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 Obstetrics/Gynecology doctors in Wisconsin →

Other OB-GYNs in Germantown

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

All OB-GYNs in Germantown →

Other clinicians in Aurora Advanced Healthcare, Inc.

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

Clinician information

CredentialMD
Medical schoolUniversity Of Cincinnati College Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922494806
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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