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Family Practice

Edmund J. Fernandez, MD

Works at hospitals in Hartford, WI · Milwaukee, WI · Wisconsin

Summary

Dr. Edmund J. Fernandez, MD is a family doctor at 1061 E Commerce Boulevard, Slinger, WI 53086. Phone: (262) 644-2900. Accepts Medicare assignment. In 2024, Edmund J. Fernandez had 125 Original Medicare patients and 1,182 services. NPI 1669587739. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Edmund J. Fernandez, 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 Edmund J. Fernandez accept Medicare assignment?
Yes. Medicare's clinician data says Edmund J. Fernandez 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 Edmund J. Fernandez see?
In 2024, CMS data shows 125 Original Medicare patients and 1,182 services for Edmund J. Fernandez. This counts Original Medicare only and measures volume, not quality.
What is Edmund J. Fernandez's NPI number?
1669587739. 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 Edmund J. Fernandez, 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 patients125
Services billed to Medicare1,182
Different services or procedures40
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)209 services
  2. Anticoagulant management of patient taking warfarin (93793)120 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)88 services
  4. Blood test, clotting time (85610)58 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)50 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 cholesterol75%
  • High blood pressure71%
  • Arthritis42%
  • Diabetes33%
  • Chronic kidney disease31%
  • Atrial fibrillation31%

Hospitals where Edmund J. Fernandez works

Medicare's Facility Affiliation Data lists Edmund J. Fernandez 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 Edmund J. Fernandez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Edmund J. Fernandez 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 Slinger

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

All family doctors in Slinger →

Other clinicians in Aurora Advanced Healthcare, Inc.

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

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669587739
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