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Physician Assistant

Courtney L. Johnson, PA

Works at hospitals in Renton, WA · Washington

Summary

Courtney L. Johnson, PA is a physician assistant at 16850 SE 272nd St, Covington, WA 98042. Phone: (425) 228-3450. Accepts Medicare assignment. In 2024, Courtney L. Johnson had 311 Original Medicare patients and 717 services. NPI 1114412459. 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: Physician assistant
  • Address: 16850 SE 272nd St, Covington, WA 98042 · Directions (1 more location)
  • Phone: (425) 228‑3450
  • Medicare: Accepts Medicare assignment
  • Hospital: Valley Medical Center
  • Group practice: Valley Medical Group-Renton
  • School: University Of Missouri, Kansas City, School Of Medicine · graduated 2018
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Courtney L. Johnson, 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 Courtney L. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Courtney L. Johnson 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 Courtney L. Johnson see?
In 2024, CMS data shows 311 Original Medicare patients and 717 services for Courtney L. Johnson. This counts Original Medicare only and measures volume, not quality.
What is Courtney L. Johnson's NPI number?
1114412459. 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 Courtney L. Johnson, 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 Medicare717
Different services or procedures20
Participating Medicare providerYes
Average age of these patients77

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)208 services
  2. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)81 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)58 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)46 services
  5. Telephone medical discussion with physician, 11-20 minutes (99442)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 pressure75%
  • High cholesterol75%
  • Ischemic heart disease49%
  • Arthritis48%
  • Heart failure42%
  • Atrial fibrillation40%

Hospitals where Courtney L. Johnson works

Medicare's Facility Affiliation Data lists Courtney L. Johnson 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.

  • Valley Medical CenterRenton, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500088

Practice locations

Addresses where Courtney L. Johnson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Courtney L. Johnson as a member of this group (CMS data updated October 2, 2026).

  • Valley Medical Group-Renton411 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Washington →

Other physician assistants in Covington

Clinicians with the same Medicare primary specialty in Covington, WA — not a recommendation.

All physician assistants in Covington →

Other clinicians in Valley Medical Group-Renton

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

Clinician information

CredentialPA
SchoolUniversity Of Missouri, Kansas City, School Of Medicine
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1114412459
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