Insurer profile · NAIC + CMS

Wellmark Health Plan of Iowa, Inc.

Wellmark Health Plan of Iowa, Inc.'s complaint record, claim-denial rate and reputation grade, drawn from published NAIC complaint data and CMS Transparency in Coverage.

C
Reputation grade
19.9%
Claims denied
1
States (CMS data)

The verdict

Wellmark Health Plan of Iowa, Inc. earns a C reputation grade - a record near the industry median, according to CMS Transparency in Coverage filings, 19.9% of its marketplace claims were denied across 1 state.

C
reputation grade
19.9%
claims denied (CMS)

Reputation grade

C

Peer-relative, A–F

NAIC complaint index

N/A

1.0 = market average; lower is better

Claim denial rate

19.9%

CMS, 1 states

CCC
Reputation grade C (composite score 56.8) - A=Excellent, F=Failing. Based on NAIC complaint ratios and CMS denial data.

Graded on 1 of 3 measures: claim denials. The score is rescaled across the measures available, so it is not directly comparable with a carrier graded on more of them.

How we calculated this grade →

CMS marketplace filing

Reported appeal outcomes for Wellmark Health Plan of Iowa, Inc.

674
appeals filed
221
overturned (reported outcomes)
32.8%
of appeals with a reported outcome

The reported appeals on this profile come from Iowa (674 filed, 221 overturned).

CMS reports an overturn outcome for 674 of these 674 filed appeals; missing outcomes are excluded from the percentage. These filing totals are not a prediction for an individual appeal. View the CMS source ↗

What the data shows for Wellmark Health Plan of Iowa, Inc.

Wellmark Health Plan of Iowa, Inc. carries a C reputation grade in PlainInsurer's dataset, with a composite score of 56.8 (higher means more consumer friction relative to size). It does not yet carry enough NAIC complaint history for a normalized complaint index.

On the claims side, CMS Transparency-in-Coverage filings show Wellmark Health Plan of Iowa, Inc. denied 19.9% of marketplace claims across 1 reporting state - a moderate rate that still varies by plan design and network.

See where Wellmark Health Plan of Iowa, Inc. sits against every reporting carrier in the claim-denial rate ranking.

Source: NAIC Consumer Information Source complaint data (2024). Source: CMS Transparency in Coverage PUF (PY2026), cms.gov.

Aggregates only, not advice. Full terms on the disclaimer.

Other C-graded carriers in PlainInsurer's dataset include Liberty Mutual and Aetna (CVS Health), and the closest overall composite score to Wellmark Health Plan of Iowa, Inc.'s 56.8 belongs to SelectHealth, Inc. (57.3), each rescaled across the measures that carrier reports.

Other C-graded insurers

Carriers with the same peer-relative reputation grade

Insurer Grade
Liberty Mutual C
Aetna (CVS Health) C
Allstate Property C
AIG Homeowners C
Allstate Insurance C

Closest composite score to Wellmark Health Plan of Iowa, Inc.

Carriers with the nearest overall composite score (56.8)

Insurer Composite score
SelectHealth, Inc. 57.3
University of Utah Health Insurance Plans 57.8
The Hartford Auto 58.0
Nationwide Property 55.2
Transamerica Life 55.2

Questions about Wellmark Health Plan of Iowa, Inc.

What does Wellmark Health Plan of Iowa, Inc.'s grade mean?
Wellmark Health Plan of Iowa, Inc. received a grade of C, indicating a record near the industry median.
How many complaints does Wellmark Health Plan of Iowa, Inc. have?
NAIC's public bulk data does not include a complaint-volume estimate for Wellmark Health Plan of Iowa, Inc. - the carrier may be new, small, or file under a parent company. Absence of an estimate is missing data, not evidence of zero complaints.
How do I file a complaint against Wellmark Health Plan of Iowa, Inc.?
File against Wellmark Health Plan of Iowa, Inc. through your state's Department of Insurance or the NAIC consumer portal at naic.org.
Is Wellmark Health Plan of Iowa, Inc. a good insurance company?
PlainInsurer's C grade for Wellmark Health Plan of Iowa, Inc. reflects a record near the industry median relative to peers on published complaint and denial data.
What types of insurance does Wellmark Health Plan of Iowa, Inc. offer?
Detailed line-of-business data isn't currently available for Wellmark Health Plan of Iowa, Inc.. The carrier is licensed in 0 states.

Source: NAIC published complaint index + CMS Transparency in Coverage PY2026 Complaint index, reputation grade and per-state claim denial rates for Wellmark Health Plan of Iowa, Inc. · 2024

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Data: NAIC published complaint index (2024) · CMS Transparency in Coverage PUF PY2026. Not affiliated with NAIC or CMS.

Every figure on PlainInsurer comes directly from NAIC MCAS and CMS Transparency in Coverage data; no editor types in numbers. See our editorial standards or methodology, or report an error. Data current as of 2026-08-11. Grades measure only the published complaint/denial data; we don't recommend any insurer or policy.