How many dermatologists are there in Arizona?

426 active dermatologists are listed in Arizona per the 2026-05-06 CMS NPPES snapshot. That works out to 5.62 per 100,000 residents using U.S. Census 2024 population estimates.

Where does Arizona rank nationally for dermatologist supply?

Arizona ranks 19 of 51 U.S. states + DC by per-capita dermatologist density. It sits above the parent study's underserved threshold.

U.S. Centers for Medicare & Medicaid Services NPI Registry (NPPES) — public API Combined with U.S. Census Bureau Population Estimates Program, 2024 Vintage (V2024) Snapshot date: 2026-05-06. The full per-state dataset is published at fonteum.com/research/dermatology-provider-supply-by-state-2026.

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PROVIDER ACCESS GAP · STATE

dermatologists per 100,000 in Arizona

Name: Arizona — dermatologist supply per 100,000
Creator: Fonteum Research
Published: 2026-05-06
License: https://fonteum.com/editorial-policy

5.62 active dermatologists per 100,000 residents — ranked 19 of 51 U.S. states + DC.

dermatologists per 100,000 residents

5.62

426 active dermatologists · 7,582,384 residents · Arizona

National rank: 19 / 51
Percentile: 65th
Underserved threshold: 4 / 100k
Quartile: Q2

Comparable areas

Three states whose dermatologist per-100k density is closest to Arizona's — useful for benchmarking.

Virginiarank 205.60 / 100k
Washingtonrank 215.59 / 100k

Oregonrank 18

5.66 / 100k

Citeable result

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Arizona has 426 active dermatologists (5.62 per 100,000 residents) — ranked 19 of 51 U.S. states + DC. Source: CMS NPPES NPI Registry + U.S. Census Bureau, snapshot 2026-05-06. Threshold for "underserved" in the parent study: 4 per 100,000. Citation: Fonteum Research, /research/dermatology-provider-supply-by-state-2026.

Source provenance

U.S. Centers for Medicare & Medicaid Services NPI Registry (NPPES) — public API
U.S. Census Bureau Population Estimates Program, 2024 Vintage (V2024)
Snapshot date: 2026-05-06

Open the parent dermatologist-supply study →

Limitations

This figure measures density (per-capita supply), not access. Drive time, appointment availability, insurance acceptance, and wait times are not modeled here.
The CMS NPPES registry counts NPI-1 individual providers with the relevant taxonomy code. It does not capture PA-led or NP-led practices that operate under a different taxonomy.
NPPES does not publish a county-level field of practice in its public API. County- and ZIP-scoped queries surface state-level density, with the geographic context preserved on this page.
Population is the U.S. Census Bureau 2024 vintage estimate. Population shifts post-2024 are not yet reflected.
The "underserved" threshold is the parent study's transparent baseline cutoff; it is not a regulatory or clinical definition. See the parent study for the rationale.

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