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Epileptologists

Katherine C. Nickels, MD

Works at hospitals in Rochester, MN · Minnesota

Summary

Dr. Katherine C. Nickels, MD is an epileptologist at 1025 Marsh St, Mankato, MN 56001. Phone: (507) 625-4031. Accepts Medicare assignment. In 2024, Katherine C. Nickels had 95 Original Medicare patients and 98 services. NPI 1679545354. 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: Epileptologist (Medicare lists Epileptologists)
  • Address: 1025 Marsh St, Mankato, MN 56001 · Directions (2 more locations)
  • Phone: (507) 625‑4031
  • Medicare: Accepts Medicare assignment
  • Hospital: Mayo Clinic Hospital Rochester
  • Group practice: Mayo Clinic (+2 more)
  • Medical school: Medical College Of Wisconsin · graduated 2002 (24 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine C. Nickels, 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 Katherine C. Nickels accept Medicare assignment?
Yes. Medicare's clinician data says Katherine C. Nickels 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 Katherine C. Nickels see?
In 2024, CMS data shows 95 Original Medicare patients and 98 services for Katherine C. Nickels. This counts Original Medicare only and measures volume, not quality.
What is Katherine C. Nickels's NPI number?
1679545354. 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 Katherine C. Nickels, 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 patients95
Services billed to Medicare98
Different services or procedures10
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Measurement of brain wave activity (eeg), 41-60 minutes (95812)63 services
  2. Measurement of brain wave activity (eeg), awake and drowsy (95816)12 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 blood pressure74%
  • High cholesterol71%
  • Arthritis41%
  • Chronic kidney disease40%
  • Ischemic heart disease36%
  • Heart failure35%

Hospitals where Katherine C. Nickels works

Medicare's Facility Affiliation Data lists Katherine C. Nickels 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 Katherine C. Nickels is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katherine C. Nickels as a member of these groups (CMS data updated October 2, 2026).

  • Mayo Clinic4,956 clinicians in the group
  • Mayo Clinic Health System-Southwest Minnesota Region661 clinicians in the group
  • Mayo Clinic Health System-Southwest Wisconsin Region Inc534 clinicians in the group

Specialties

Find other Epileptologists doctors in Minnesota →

Other epileptologists in Mankato

Clinicians with the same Medicare primary specialty in Mankato, MN — not a recommendation.

All epileptologists in Mankato →

Other clinicians in Mayo Clinic

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

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679545354
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