How many cardiologists are there in Maine?

177 active cardiologists are listed in Maine per the 2026-05-06 CMS NPPES snapshot. That works out to 12.60 per 100,000 residents using U.S. Census 2024 population estimates.

Where does Maine rank nationally for cardiologist supply?

Maine ranks 9 of 51 U.S. states + DC by per-capita cardiologist 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/cardiology-supply-by-state-2026.

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PROVIDER ACCESS GAP · STATE

cardiologists per 100,000 in Maine

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

12.60 active cardiologists per 100,000 residents — ranked 9 of 51 U.S. states + DC.

cardiologists per 100,000 residents

12.60

177 active cardiologists · 1,405,012 residents · Maine

National rank: 9 / 51
Percentile: 84th
Underserved threshold: 4 / 100k
Quartile: Q1

Comparable areas

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

Rhode Islandrank 1012.50 / 100k
New Hampshirerank 812.92 / 100k

Marylandrank 11

11.78 / 100k

Citeable result

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Maine has 177 active cardiologists (12.60 per 100,000 residents) — ranked 9 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/cardiology-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 cardiologist-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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Compliance posture