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Physician Assistant

Susan R. Johnston, PA

Works at hospitals in Bloomer, WI · Eau Claire, WI · Osseo, WI … · Wisconsin

Summary

Susan R. Johnston, PA is a physician assistant at 1221 Whipple St, Eau Claire, WI 54703. Phone: (715) 838-3806. Accepts Medicare assignment. In 2024, Susan R. Johnston had 297 Original Medicare patients and 465 services. NPI 1548577737. 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 Susan R. Johnston, 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 Susan R. Johnston accept Medicare assignment?
Yes. Medicare's clinician data says Susan R. Johnston 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 Susan R. Johnston see?
In 2024, CMS data shows 297 Original Medicare patients and 465 services for Susan R. Johnston. This counts Original Medicare only and measures volume, not quality.
What is Susan R. Johnston's NPI number?
1548577737. 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 Susan R. Johnston, 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 patients297
Services billed to Medicare465
Different services or procedures17
Participating Medicare providerYes
Average age of these patients74

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)166 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)136 services
  3. Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings (51784)30 services
  4. Complex measurement of pressure of urine flow in bladder with voiding pressure studies (51728)29 services
  5. Insertion of device into abdomen with pressure and urine flow rate study (51797)29 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 pressure71%
  • High cholesterol71%
  • Arthritis39%
  • Chronic kidney disease38%
  • Diabetes33%
  • Depression30%

Hospitals where Susan R. Johnston works

Medicare's Facility Affiliation Data lists Susan R. Johnston 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 Susan R. Johnston is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Susan R. Johnston as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic Health System-Northwest Wisconsin Region Inc802 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Wisconsin →

Other physician assistants in Eau Claire

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

All physician assistants in Eau Claire →

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

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

Clinician information

CredentialPA
Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1548577737
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