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Dermatology

Courtney C. Gwinn, MD

Sees patients in Coeur D Alene, ID · Spokane Valley, WA · Spokane, WA · Idaho, Washington

Summary

Dr. Courtney C. Gwinn, MD is a dermatologist at 1700 W Riverstone Dr, Coeur D Alene, ID 83814. Accepts Medicare assignment. In 2024, Courtney C. Gwinn had 409 Original Medicare patients and 1,552 services. NPI 1508210741. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 1700 W Riverstone Dr, Coeur D Alene, ID 83814 · Directions (2 more locations)
  • Medicare: Accepts Medicare assignment
  • Group practice: Mountain West Derm - Blackhart PLLC
  • Medical school: University Of Washington School Of Medicine · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Courtney C. Gwinn, 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 C. Gwinn accept Medicare assignment?
Yes. Medicare's clinician data says Courtney C. Gwinn 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 C. Gwinn see?
In 2024, CMS data shows 409 Original Medicare patients and 1,552 services for Courtney C. Gwinn. This counts Original Medicare only and measures volume, not quality.
What is Courtney C. Gwinn's NPI number?
1508210741. 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 C. Gwinn, 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 patients409
Services billed to Medicare1,552
Different services or procedures75
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (17311)381 services
  2. Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm (13132)157 services
  3. Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (17312)114 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)101 services
  5. Destruction of precancer skin growth, 2-14 growths (17003)97 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 cholesterol66%
  • High blood pressure62%
  • Arthritis45%
  • Ischemic heart disease20%
  • Osteoporosis19%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)18%

Practice locations

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

  • 1700 W Riverstone DrCoeur D Alene, ID 83814
  • 1807 N Hutchinson RdSpokane Valley, WA 99212
  • 5905 N Mayfair St, Suite 200Spokane, WA 99208

Group practices

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

  • Mountain West Derm - Blackhart PLLC105 clinicians in the group

Specialties

Find other Dermatology doctors in Idaho →

Other dermatologists in Coeur D Alene

Clinicians with the same Medicare primary specialty in Coeur D Alene, ID — not a recommendation.

All dermatologists in Coeur D Alene →

Other clinicians in Mountain West Derm - Blackhart PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508210741
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians