Kaiser Permanente vs. Blue Cross Blue Shield: 2026 Comparison

Kaiser Permanente vs. Blue Cross Blue Shield: ACA Health Insurance

Kaiser Permanente has the highest ACA quality scores of any major insurer in MoneyGeek's analysis, but coverage is limited to seven states. Blue Cross Blue Shield ranks among the best health insurance companies for reach, operating in 36 states across four plan types. Kaiser's Quality Rating System (QRS) score of 94.6 is 17 points above BCBS's 77.72, and its 8.3% denial rate is less than half of BCBS's 19%. Where Kaiser operates, it's the stronger quality choice. In the 30 states where only BCBS is available, comparison shopping ends there.


Availability	7 States	36 States
Plan Types	HMO, EPO	HMO, POS, EPO, PPO
Avg. QRS Score	94.6	77.72
Avg. Denial Rate	8.3%	19%

Kaiser Permanente sells ACA plans in seven states through its integrated care model, offering HMO and EPO options only. BCBS covers 36 states with a broader lineup that adds POS and PPO options. Both insurers operate in six states: California, Colorado, Maryland, Oregon, Virginia and Washington. BCBS is the only option in 30 states where Kaiser doesn't operate.

HMO (Health Maintenance Organization): You choose a primary care physician who coordinates your care and refers you to specialists. Coverage is restricted to in-network providers except in emergencies.
EPO (Exclusive Provider Organization): No primary care physician or referrals required. You still must use in-network providers for coverage outside of emergency situations.
POS (Point of Service): Works like an HMO but lets you go out of network at a higher cost. A primary care physician and referrals are still required.
PPO (Preferred Provider Organization): The most flexible option. You can see any specialist or out-of-network provider without a referral, though out-of-network care costs more.


ACA State Availability	California, Colorado, Hawaii, Maryland, Oregon, Virginia, Washington	Alabama, Alaska, Arizona, Arkansas, California, Delaware, Florida, Idaho, Illinois, Kansas, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Jersey, New Mexico, New York, North Carolina, North Dakota, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wyoming
Plan Types	HMO, EPO	HMO, POS, EPO, PPO

HMO
$609
$598
$678
EPO
$854
$548
$731
POS
$720
N/A
$752
PPO
$803
N/A
$803
Kaiser Permanente's premiums beat both BCBS and the national average across HMO and EPO plans. Its HMO plans average $598 per month versus the $678 national average, and EPO plans average $548 versus $731 nationally and BCBS's $854. On EPO coverage, Kaiser is $306 cheaper per month, a $3,672 annual difference. BCBS HMO plans average $609, $31 below the national average.

BCBS is the only option between the two for POS and PPO coverage. Its POS plans average $720 per month and PPO plans average $803. The higher cost buys out-of-network access that Kaiser's plan types don't include.
Overall QRS Score
94.6
77.72
Medical Care QRS Score
96.11
73.96
Member Experience QRS Score
91.51
95.91
Plan Administration QRS Score
91.68
81.36
Avg. Denial Rate
8.3%
19%
Kaiser Permanente leads BCBS on three of four quality measures. Its 94.6 overall QRS score tops BCBS's 77.72, with the largest margin in medical care at 96.11 versus 73.96. Kaiser's 8.3% denial rate is less than half of BCBS's 19%, giving Kaiser members a higher rate of approved claims on first submission.

BCBS leads on member experience at 95.91 versus Kaiser's 91.51, reflecting its customer service scale across a larger national footprint. For shoppers in one of Kaiser's seven states, Kaiser is the stronger quality choice. BCBS is the only option for everyone else and the sole choice for POS or PPO access.


HMO	$609	$598	$678
EPO	$854	$548	$731
POS	$720	N/A	$752
PPO	$803	N/A	$803


Overall QRS Score	94.6	77.72
Medical Care QRS Score	96.11	73.96
Member Experience QRS Score	91.51	95.91
Plan Administration QRS Score	91.68	81.36
Avg. Denial Rate	8.3%	19%

Kaiser Permanente vs. Blue Cross Blue Shield Medicare Supplement

Kaiser Permanente doesn't sell Medicare Supplement insurance anywhere in the U.S. BCBS offers Medigap coverage in 36 states with all 10 standardized plan types available in some markets, plus high-deductible options for Plan F and Plan G. Between these two insurers, BCBS is your only choice.


Availability	N/A	36 States
Plan Types	N/A	A, B, C, D, F, G, K, L, M, N
High-Deductible F and G	N/A	Yes
Dominant Pricing Style	N/A	Attained Age

Blue Cross Blue Shield's Medigap lineup spans 36 states with Plans A through N, plus high-deductible versions of Plan F and Plan G that trade lower premiums for a higher cost threshold before coverage starts.

Plan availability varies by state: some markets carry the full 10-plan portfolio while others carry a subset. Massachusetts, Minnesota and Wisconsin use state-specific structures; BCBS offers compliant options in all three. Attained age pricing is BCBS's primary model, meaning premiums increase each year as you age.


Alabama	N/A	A
Alaska	N/A	A, C, G, N
Arizona	N/A	A, C, D, F, G, N
Arkansas	N/A	A, C, F, G, N
California	N/A	A, F, G, N
Colorado	N/A	N/A
Connecticut	N/A	N/A
Delaware	N/A	A, B, C, D, F, G, N
Florida	N/A	A, B, C, D, F, G, K, L, M, N
Georgia	N/A	N/A
Hawaii	N/A	N/A
Idaho	N/A	A, C, F, G, K, N
Illinois	N/A	N/A
Indiana	N/A	N/A
Iowa	N/A	A, D, F, G, N
Kansas	N/A	A, F, G, K, L, N
Kentucky	N/A	N/A
Louisiana	N/A	A, B, F, G, N
Maine	N/A	N/A
Maryland	N/A	A, B, F, G, L, M, N
Massachusetts	N/A	Meets state standards
Michigan	N/A	A, D, F, G, N
Minnesota	N/A	Meets state standards
Mississippi	N/A	A, B, C, D, F, G
Missouri	N/A	N/A
Montana	N/A	A, F, G, N
Nebraska	N/A	A, B, C, F, G, L, N
Nevada	N/A	N/A
New Hampshire	N/A	N/A
New Jersey	N/A	A, C, D, F, G, K, N
New Mexico	N/A	A, F, G, N
New York	N/A	N/A
North Carolina	N/A	A, G, K, N
North Dakota	N/A	A, C, F, G, L, N
Ohio	N/A	N/A
Oklahoma	N/A	A, F, G, N
Oregon	N/A	A, C, F, G, K, N
Pennsylvania	N/A	A, B, F, G, N
Rhode Island	N/A	A, F, G, N
South Carolina	N/A	A, B, C, D, F, G, K, L, N
South Dakota	N/A	A, D, F, G, N
Tennessee	N/A	A, C, D, F, G, N
Texas	N/A	A, F, G, N
Utah	N/A	A, C, F, G, K, N
Vermont	N/A	C, D, F, G, N
Virginia	N/A	A, B, F, G, L, M, N
Washington	N/A	A, C, F, G, K, N
Washington D.C.	N/A	N/A
West Virginia	N/A	A, C, D, F, G, N
Wisconsin	N/A	Medigap Basic Plan
Wyoming	N/A	N/A


A	N/A	$279	N/A	$360
B	N/A	$287	N/A	$368
C	N/A	$285	N/A	$369
D	N/A	$283	N/A	$372
F	N/A	$215	N/A	$285
G	N/A	$170	N/A	$225
K	N/A	$107	N/A	$131
L	N/A	$206	N/A	$273
M	N/A	$307	N/A	$400
N	N/A	$204	N/A	$274

BCBS Medicare Supplement premiums range from $107 per month for Plan K to $307 for Plan M at age 65. Plan G, one of the most commonly purchased Medigap options, averages $170 at 65 and rises to $225 by age 75, a $660 annual increase over 10 years. Plan F, available only to beneficiaries who qualified for Medicare before January 1, 2020, averages $215 at 65 and $285 at 75.

Plan N offers a lower-cost entry at $204 per month for 65-year-olds, covering most Medicare out-of-pocket costs with small copays on some visits. Because premiums rise annually with attained age pricing, comparing BCBS rates against community-rated alternatives before enrolling is worth the time.

Kaiser Permanente vs. Blue Cross Blue Shield Medicare Advantage

Kaiser Permanente earns higher CMS Star Ratings than BCBS (4.37 versus 3.79) but operates in only eight states for Medicare Advantage. BCBS covers 31 states, sells PPO and PFFS plan types Kaiser doesn't offer and carries a slightly higher share of $0 premium plans at 41% versus Kaiser's 36%. Quality favors Kaiser where it's available; geography and plan variety favor BCBS.


Availability	8 States	31 States
Plan Types	HMO, HMO-POS	HMO, HMO-POS, PPO, PFFS
Avg. CMS Star Rating	4.37	3.79
Drug Benefits	Enhanced	Basic, Enhanced
% $0 Premium Plans	36%	41%

Kaiser Permanente Medicare Advantage is available in eight states. BCBS serves 31 states and is the only option between the two in 26 of them. Both insurers compete in five overlapping markets: California, Georgia, Maryland, Oregon and Washington.
- Kaiser Permanente Availability: California, Colorado, Georgia, Hawaii, Maryland, Oregon, Virginia, Washington
- Blue Cross Blue Shield Availability: Alabama, Arizona, Arkansas, California, Delaware, Florida, Georgia, Idaho, Illinois, Kansas, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nebraska, New Mexico, New York, North Carolina, North Dakota, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Utah, Washington, West Virginia


HMO	38%	55%	$46	$31	$4,815	$5,292
HMO-POS	31%	26%	$46	$64	$5,708	$5,500
PPO	N/A	38%	N/A	$67	N/A	$6,289
PFFS	N/A	0%	N/A	$57	N/A	$7,500

BCBS Medicare Advantage HMO plans average $31 per month versus Kaiser's $46, and 55% carry no monthly premium compared to 38% for Kaiser. Kaiser's edge is in out-of-pocket protection: its HMO plans average a maximum out-of-pocket (MOOP) of $4,815 versus $5,292 for BCBS, a $477 annual difference that matters most to high-utilization members.

HMO-POS plans flip the comparison. Kaiser averages $46 per month while BCBS charges $64, but BCBS's average MOOP of $5,500 is lower than Kaiser's $5,708. BCBS also sells PPO plans at $67 per month and PFFS plans at $57, making it the only option between the two for out-of-network coverage.

HMO
4.37
3.73
HMO-POS
4.37
4.09
PPO
N/A
3.76
PFFS
N/A
3.5
Kaiser Permanente's Medicare Advantage plans earn 4.37 stars across both HMO and HMO-POS plan types, reflecting consistent performance in preventive care, care coordination and member health results.

BCBS earns 3.73 stars for HMO plans and 4.09 for HMO-POS, a 0.64-point gap on the HMO side. CMS ratings measure how well plans manage chronic conditions and respond to member concerns, making Kaiser's advantage most relevant for high-utilization enrollees in its eight service states.


HMO	4.37	3.73
HMO-POS	4.37	4.09
PPO	N/A	3.76
PFFS	N/A	3.5

Bottom Line

Kaiser Permanente leads on quality across all three coverage types but can't match BCBS's reach. On ACA insurance, Kaiser's 94.6 QRS score and 8.3% denial rate top BCBS's 77.72 and 19%, and EPO premiums run $306 per month cheaper. BCBS covers 36 states with four plan types, making it the only option in 30 states.

For Medicare Supplement, BCBS is the only choice: Kaiser doesn't sell Medigap anywhere. On Medicare Advantage, Kaiser's 4.37-star rating outpaces BCBS's 3.79, and its HMO MOOP averages $477 less per year. Choose Kaiser for top-rated ACA and Medicare Advantage coverage if you're in one of its service states. Choose BCBS for broader coverage, out-of-network plan types or Medicare Supplement plans anywhere Kaiser doesn't operate.

About Mark Fitzpatrick

Mark Fitzpatrick, a Licensed Property and Casualty Insurance Producer, is MoneyGeek's resident Personal Finance Expert. He has analyzed the insurance market for over five years, conducting original research for insurance shoppers. His insights have been featured in CNBC, NBC News and Mashable.

Fitzpatrick holds a master’s degree in economics and international relations from Johns Hopkins University and a bachelor’s degree from Boston College. He's also a five-time Jeopardy champion!

He writes about economics and insurance, breaking down complex topics so people know what they're buying.

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Kaiser Permanente vs. Blue Cross Blue Shield: 2026 Comparison

Kaiser Permanente vs. Blue Cross Blue Shield: ACA Health Insurance

Kaiser Permanente vs. Blue Cross Blue Shield Medicare Supplement

Kaiser Permanente vs. Blue Cross Blue Shield Medicare Advantage

Bottom Line

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