Los Robles Hospital & Medical Center Thousand Oaks
$13,497
1.5×
5
2026-09-01
Cedars-Sinai Medical Center Los Angeles
$20,636
2.3×
3
2025-11-26
John Muir Medical Center - Walnut Creek Campus Walnut Creek
$22,816
2.3×
6
2026-03-23
Stanford Health Care Stanford
$24,307
2.3×
4
2026-04-01
CPT 31255
Hospital
Median across insurers
× Medicare
Insurers
File date
Scripps Green Hospital La Jolla
$9,077
1.0×
1
2026-03-30
Keck Hospital Of Usc Los Angeles
$10,951
1.2×
5
2026-04-01
Los Robles Hospital & Medical Center Thousand Oaks
$16,949
1.9×
5
2026-09-01
Cedars-Sinai Medical Center Los Angeles
$22,055
2.4×
3
2025-11-26
John Muir Medical Center - Walnut Creek Campus Walnut Creek
$27,086
2.7×
6
2026-03-23
Stanford Health Care Stanford
$36,349
3.5×
4
2026-04-01
CPT 31256
Hospital
Median across insurers
× Medicare
Insurers
File date
Scripps Green Hospital La Jolla
$4,795
1.0×
1
2026-03-30
Keck Hospital Of Usc Los Angeles
$9,161
1.9×
5
2026-04-01
Los Robles Hospital & Medical Center Thousand Oaks
$11,855
2.5×
5
2026-09-01
Cedars-Sinai Medical Center Los Angeles
$14,342
3.0×
3
2025-11-26
John Muir Medical Center - Concord Campus Concord
$20,580
3.9×
6
2026-03-23
John Muir Medical Center - Walnut Creek Campus Walnut Creek
$22,720
4.3×
6
2026-03-23
Stanford Health Care Stanford
$24,307
4.4×
4
2026-04-01
CPT 31276
Hospital
Median across insurers
× Medicare
Insurers
File date
Scripps Green Hospital La Jolla
$9,077
1.0×
1
2026-03-30
Keck Hospital Of Usc Los Angeles
$9,161
1.0×
5
2026-04-01
Los Robles Hospital & Medical Center Thousand Oaks
$13,616
1.5×
5
2026-09-01
Cedars-Sinai Medical Center Los Angeles
$20,636
2.3×
3
2025-11-26
John Muir Medical Center - Walnut Creek Campus Walnut Creek
$26,288
2.6×
6
2026-03-23
Stanford Health Care Stanford
$27,573
2.7×
4
2026-04-01
Questions
How much do insurers pay for sinus surgery (endoscopic) in California?
7 California hospitals post usable commercial rates for sinus surgery (endoscopic) in their federal price-transparency files. For CPT 31267, hospital outpatient, the median across 6 hospitals is $17,067, 1.9× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.