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Screening colonoscopy (Medicare) in San Francisco Bay Area CA

Every commercial insurer rate these hospitals posted, as a dollar amount and as a multiple of the hospital's own Medicare base rate.

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CPT G0121

Hospital · insurerRate× MedicarePlans
St Mary's Medical Center median $2,456 · local Medicare $1,344 · file 2026-04-01
Aetna$4,0353.0×1
Blue Shield of California$1,6951.3×1
Healthnet$3,1972.4×1
Heritage Provider Network$1,3461.0×2
Kaiser Permanente$3,0332.3×1
UnitedHealthcare$1,8791.4×2
Stanford Health Care Tri-Valley median $3,673 · local Medicare $1,313 · file 2026-04-01
Aetna$5,2274.0×2
Blue Shield of California$1,7111.3×2
Cigna$2,4241.8×1
UnitedHealthcare$4,9223.7×1
Good Samaritan Hospital median $4,756 · local Medicare $1,368 · file 2026-09-01
Aetna$6,1934.5×2
Blue Shield of California$2,3951.8×2
Bright Health$3,6802.7×1
Cigna$5,0023.7×4
Elevance/Anthem/Empire$5,0223.7×2
MultiPlan/PHCS (rental network)$2,6381.9×1
UnitedHealthcare$4,5113.3×1
Stanford Health Care median $8,345 · local Medicare $1,368 · file 2026-04-01
UnitedHealthcare$8,3456.1×1

CPT G0105

Hospital · insurerRate× MedicarePlans
St Mary's Medical Center median $2,456 · local Medicare $1,344 · file 2026-04-01
Aetna$4,0353.0×1
Blue Shield of California$1,6951.3×1
Healthnet$3,1972.4×1
Heritage Provider Network$1,3461.0×2
Kaiser Permanente$3,0332.3×1
UnitedHealthcare$1,8791.4×2
Stanford Health Care Tri-Valley median $3,673 · local Medicare $1,313 · file 2026-04-01
Aetna$5,2274.0×2
Blue Shield of California$1,7111.3×2
Cigna$2,4241.8×1
UnitedHealthcare$4,9223.7×1
Good Samaritan Hospital median $4,756 · local Medicare $1,368 · file 2026-09-01
Aetna$6,1934.5×2
Blue Shield of California$2,3951.8×2
Bright Health$3,6802.7×1
Cigna$5,0023.7×4
Elevance/Anthem/Empire$5,0223.7×2
MultiPlan/PHCS (rental network)$2,6381.9×1
UnitedHealthcare$4,5113.3×1
Stanford Health Care median $8,345 · local Medicare $1,368 · file 2026-04-01
UnitedHealthcare$8,3456.1×1

Questions

How much does screening colonoscopy (medicare) cost with commercial insurance in San Francisco Bay Area CA?

4 San Francisco Bay Area CA hospitals post usable commercial rates for CPT G0121, hospital outpatient. The median across hospitals is $4,215; hospital medians range from $2,456 to $8,345. Your cost depends on your plan's deductible and coinsurance.