How many oncologists are there in Kansas?

39 active oncologists are listed in Kansas per the 2026-05-06 CMS NPPES snapshot. That works out to 1.31 per 100,000 residents using U.S. Census 2024 population estimates.

Where does Kansas rank nationally for oncologist supply?

Kansas ranks 33 of 51 U.S. states + DC by per-capita oncologist density. It sits at or below the 3-per-100k underserved threshold used by the parent Fonteum study.

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/oncology-supply-by-state-2026.

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1,322,867 nurse-staffing records · CMS PBJ

PROVIDER ACCESS GAP · STATE

oncologists per 100,000 in Kansas

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

1.31 active oncologists per 100,000 residents — ranked 33 of 51 U.S. states + DC.

oncologists per 100,000 residents

1.31

39 active oncologists · 2,970,606 residents · Kansas

National rank: 33 / 51
Percentile: 37th
Underserved threshold: 3 / 100k
Quartile: Q3

Comparable areas

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

Montanarank 341.23 / 100k
New Mexicorank 351.22 / 100k

Arizonarank 36

1.16 / 100k

Citeable result

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Kansas has 39 active oncologists (1.31 per 100,000 residents) — ranked 33 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: 3 per 100,000. Citation: Fonteum Research, /research/oncology-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 oncologist-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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