How is Medicare Advantage developing in New Mexico?

Q: How is Medicare Advantage developing in New Mexico?

New Mexico MA and other health plan share is 50.8% (rank 29 of 53) — 241,252 of 475,210 Medicare beneficiaries, April 2026 CMS state record.

Data through April 2026 · ingested July 31, 2026 live

New Mexico's MA-and-other health plan share is 50.8% — below the 51.1% national share by 0.3 points, ranking 29 of 53 with 241,252 people in a Medicare Advantage or other Medicare health plan out of 475,210 Medicare beneficiaries, on the CMS state record for April 2026.

50.8%

MA & other health plan share

#29

National rank (of 53)

241,252

MA and other health plan enrollees

9.6%

Dual eligible share of Medicare

45,780 people · county file

Share and enrollee counts are the CMS state record for April 2026 (Medicare Monthly Enrollment). Summing this state’s 33 county rows gives 50.8% on 474,943 beneficiaries, a difference of 267 beneficiaries CMS does not assign to a county. Both figures are published; the state record is canonical for the state. Dual counts are county-file aggregates.

County detail

All 33 New Mexico counties are in the county explorer, with April 2026 MA & other health plan share, 12-month momentum and market size from the CMS Medicare Monthly Enrollment county file. Dedicated county pages are published for the highest-signal markets first; New Mexico does not have one yet. How the county file is used.

Tracked carrier positions in New Mexico

Carrier	Enrollment (K)	Plans	Stars	YoY trend	Note
Humana	72	2	3.5	-3.4%	ABQ and Santa Fe markets

Carrier coverage is the curated major-carrier extract (March 2026) — not all carriers in the state.

What should I do next?

Work the county listFilter and rank all 3,199 counties Compare two marketsSide by side on the same metrics SNP enrollmentD-SNP, C-SNP and I-SNP by plan and state Open my workspaceSaved markets, analyses and alerts

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Citation: MedicareInsights. “How is Medicare Advantage developing in New Mexico?.” Medicare Monthly Enrollment (CCW-derived national, state and county beneficiary counts; data.cms.gov dataset d7fabe1e-d19b-4333-9eff-e80e0643f2fd, public API), data through April 2026. https://medicareinsights.org/market/states/nm/.

Sales playbook one-pager

The New Mexico state sales playbook PNG has been withdrawn. It was rendered from the February 2026 enrollment file and carried a Growth Runway class, both retired by the 2026-08-24 data audit. Use the county explorer for April 2026 health plan share, momentum and market size, and the carrier battlecards for competitive facts. Read the audit.

So what / Now what Interpretation

New Mexico is a switcher market — expansion means winning members from incumbent MA plans on benefits, network, and brand.

Compare against neighboring states on the national table.
Check 2026 plan exits for orphaned membership contestable in this market.
Sales teams: rank this market on health-plan share headroom and momentum in the county explorer, and see which competitive facts apply on the carrier battlecards.

Provenance — MA enrollment & penetration by state

Source file: Medicare Monthly Enrollment (CCW-derived national, state and county beneficiary counts; data.cms.gov dataset d7fabe1e-d19b-4333-9eff-e80e0643f2fd, public API)
Vintage: April 2026
Last updated: July 31, 2026
Refresh cadence: Monthly (CMS publishes ~3 months in arrears)
Method: State-level rows pulled from the Medicare Monthly Enrollment API; MA share = MA_AND_OTH_BENES / TOT_BENES. Refreshed via automated pipeline from the CMS public API.
Known limitations: Health plan share here is measured against all Medicare beneficiaries (Parts A and/or B), not the KFF eligible-only basis, which runs ~4pts higher.