Data: CMS.gov · KFF · MLR Reports · 2023
Insurance Denial Database
The most comprehensive public tracker of health insurance denial rates across all 50 states, major insurers, and procedure types.
16%
National Average
850M+
Annual Denials
TX · 25%
Highest State
VT · 9%
Lowest State
Denial Rate by State
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Low (<14%)
Moderate
Elevated
High
Very High (23%+)
All 50 States Ranked
TX
Texas
25%
Very High
FL
Florida
24%
Very High
GA
Georgia
23%
Very High
MS
Mississippi
23%
Very High
LA
Louisiana
22%
High
AZ
Arizona
22%
High
NV
Nevada
21%
High
SC
South Carolina
21%
High
AL
Alabama
21%
High
NM
New Mexico
20%
High
NC
North Carolina
20%
High
OK
Oklahoma
20%
High
TN
Tennessee
20%
High
WV
West Virginia
20%
High
KY
Kentucky
19%
Elevated
AR
Arkansas
19%
Elevated
IN
Indiana
18%
Elevated
MO
Missouri
18%
Elevated
CA
California
18%
Elevated
IL
Illinois
17%
Elevated
KS
Kansas
17%
Elevated
OH
Ohio
17%
Elevated
VA
Virginia
17%
Elevated
MI
Michigan
16%
Moderate
NE
Nebraska
16%
Moderate
NY
New York
16%
Moderate
CO
Colorado
16%
Moderate
ID
Idaho
15%
Moderate
IA
Iowa
15%
Moderate
PA
Pennsylvania
15%
Moderate
UT
Utah
15%
Moderate
WY
Wyoming
15%
Moderate
MT
Montana
14%
Moderate
NJ
New Jersey
14%
Moderate
OR
Oregon
14%
Moderate
SD
South Dakota
14%
Moderate
WA
Washington
14%
Moderate
WI
Wisconsin
14%
Moderate
AK
Alaska
14%
Moderate
MD
Maryland
13%
Low
MN
Minnesota
13%
Low
ND
North Dakota
13%
Low
CT
Connecticut
13%
Low
ME
Maine
12%
Low
DE
Delaware
11%
Low
NH
New Hampshire
11%
Low
MA
Massachusetts
10%
Low
RI
Rhode Island
10%
Low
HI
Hawaii
9%
Low
VT
Vermont
9%
Low
Denial Rate by Insurer
Source: CMS Transparency in Coverage data, 2023
Oscar Health
49%
Cigna
33%
UnitedHealthcare
28%
Aetna
24%
Humana
22%
Anthem / BCBS
19%
Molina Healthcare
17%
Kaiser Permanente
11%
Most Denied Procedure Types
Percentage of claims denied on first submission, by category
34%
Mental Health
34% denied on first submission
29%
Out-of-Network ER
29% denied on first submission
25%
Prior Authorization
25% denied on first submission
22%
Experimental Treatment
22% denied on first submission
19%
Medical Necessity
19% denied on first submission
17%
Imaging (MRI / CT)
17% denied on first submission
14%
Physical Therapy
14% denied on first submission
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Generate My Appeal Letter — FreeData: CMS.gov · Kaiser Family Foundation · MLR public reports