Insurer profile · NAIC + CMS

Summa Insurance Company, Inc.

Summa Insurance Company, Inc.'s complaint record, claim-denial rate and reputation grade, drawn from published NAIC complaint data and CMS Transparency in Coverage.

F
Reputation grade
29.0%
Claims denied
1
States (CMS data)

The verdict

Summa Insurance Company, Inc. earns a F reputation grade - a significantly worse record than peers, according to CMS Transparency in Coverage filings, 29.0% of its marketplace claims were denied across 1 state.

F
reputation grade
29.0%
claims denied (CMS)
FFF
Reputation grade F (composite score 17.8) - 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 →

NAIC CIS filing desk

NAIC NAIC F · 17.8

GRADE-F · INDEX-UNK · DENIAL-HOT · RANK-UNK · PHOTO-SOLO · LINES-0 · BOOK-MID

  • GRADE-F F · 17.8
  • INDEX-UNK Index blank
  • DENIAL-HOT 29.0% denied
  • RANK-UNK Rank pending
  • PHOTO-SOLO No peer gap
  • LINES-0 No lines
  • BOOK-MID 3/7 fields

Instrument codes from this carrier’s NAIC Consumer Information Source filing: grade band, complaint index, CMS denial band, corpus rank, photo-finish peer, line book, and field completeness. Not an official NAIC rating.

CMS marketplace filing

Reported appeal outcomes for Summa Insurance Company, Inc.

319
appeals filed
245
overturned (reported outcomes)
76.8%
of appeals with a reported outcome

The reported appeals on this profile come from Ohio (319 filed, 245 overturned).

CMS reports an overturn outcome for 319 of these 319 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 NAIC filing desk shows for Summa Insurance Company, Inc.

Summa Insurance Company, Inc.'s filing desk summarizes the NAIC complaint record and any CMS marketplace denial data on file.

See where Summa Insurance Company, Inc. sits against every reporting carrier in the claim-denial rate ranking. Appeal notes for Summa Insurance Company.

Nationwide insurers with similar scores or complaint volume

Two corpus-wide peer sets for Summa Insurance Company, Inc.: nearest national-scale carriers by composite score and by NAIC complaint volume. These are cross-market neighborhoods, not the corporate-family list or same-grade chips above.

Similar composite score

Nearest carriers by composite score (17.8 here). Floored at 50+ complaints and 5+ states.

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

Questions about Summa Insurance Company, Inc.

What does Summa Insurance Company, Inc.'s grade mean?
Summa Insurance Company, Inc. received a grade of F, indicating a significantly worse record than peers.
How many complaints does Summa Insurance Company, Inc. have?
NAIC's public bulk data does not include a complaint-volume estimate for Summa Insurance Company, 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 Summa Insurance Company, Inc.?
File against Summa Insurance Company, Inc. through your state's Department of Insurance or the NAIC consumer portal at naic.org.
Is Summa Insurance Company, Inc. a good insurance company?
PlainInsurer's F grade for Summa Insurance Company, Inc. reflects a significantly worse record than peers relative to peers on published complaint and denial data.
What types of insurance does Summa Insurance Company, Inc. offer?
Detailed line-of-business data isn't currently available for Summa Insurance Company, 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 Summa Insurance Company, Inc. · 2024

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The full PlainInsurer extract, covering every insurer including Summa Insurance Company, Inc., is available as CSV and JSON. Underlying federal data is public domain; see our methodology for the compilation and grading method.

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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.