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Obstetrics/Gynecology

Krystal A. Mazola, MD

Works at hospitals in Waukesha, WI · Wisconsin

Summary

Dr. Krystal A. Mazola, MD is an OB-GYN at 721 American Ave, Suite 304, Waukesha, WI 53188. Phone: (262) 549-2229. Accepts Medicare assignment. In 2024, Krystal A. Mazola had 21 Original Medicare patients and 40 services. NPI 1386801728. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 721 American Ave, Suite 304, Waukesha, WI 53188 · Directions
  • Phone: (262) 549‑2229
  • Medicare: Accepts Medicare assignment
  • Hospital: Waukesha Memorial Hospital
  • Group practice: Women's Health Care, SC
  • Medical school: Medical College Of Wisconsin · graduated 2007 (19 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Krystal A. Mazola, 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 Krystal A. Mazola accept Medicare assignment?
Yes. Medicare's clinician data says Krystal A. Mazola 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 Krystal A. Mazola see?
In 2024, CMS data shows 21 Original Medicare patients and 40 services for Krystal A. Mazola. This counts Original Medicare only and measures volume, not quality.
What is Krystal A. Mazola's NPI number?
1386801728. 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 Krystal A. Mazola, 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 patients21
Services billed to Medicare40
Different services or procedures10
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)11 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 cholesterol71%
  • High blood pressure52%

Hospitals where Krystal A. Mazola works

Medicare's Facility Affiliation Data lists Krystal A. Mazola 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 Krystal A. Mazola is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Krystal A. Mazola as a member of this group (CMS data updated October 2, 2026).

  • Women's Health Care, SC6 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 →

Other clinicians in Women's Health Care, SC

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

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386801728
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians