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Nurse Practitioner

Megan J. Friesen

Works at hospitals in Prairie Du Chien, WI · Sparta, WI · La Crosse, WI … · Wisconsin, Iowa, Minnesota

Summary

Megan J. Friesen is a nurse practitioner at 191 Theater Rd, Onalaska, WI 54650. Phone: (608) 392-5000. Accepts Medicare assignment. In 2024, Megan J. Friesen had 311 Original Medicare patients and 1,147 services. NPI 1134847445. 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 Megan J. Friesen, 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 Megan J. Friesen accept Medicare assignment?
Yes. Medicare's clinician data says Megan J. Friesen 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 Megan J. Friesen see?
In 2024, CMS data shows 311 Original Medicare patients and 1,147 services for Megan J. Friesen. This counts Original Medicare only and measures volume, not quality.
What is Megan J. Friesen's NPI number?
1134847445. 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 Megan J. Friesen, 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 patients311
Services billed to Medicare1,147
Different services or procedures10
Participating Medicare providerYes
Average age of these patients71

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)472 services
  2. 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)377 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)148 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)105 services
  5. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)32 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).

  • Arthritis75%
  • High blood pressure70%
  • High cholesterol66%
  • Chronic kidney disease33%
  • Osteoporosis32%
  • Depression31%

Hospitals where Megan J. Friesen works

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

Group practices

Medicare enrollment lists Megan J. Friesen as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic Health System-Southwest Wisconsin Region Inc534 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Wisconsin →

Other nurse practitioners in Onalaska

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

All nurse practitioners in Onalaska →

Other clinicians in Mayo Clinic Health System-Southwest Wisconsin Region Inc

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

Clinician information

Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1134847445
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