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Weight-loss surgery (gastric bypass) in St. Louis MO

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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MS-DRG 621

Hospital · insurerRate× MedicarePlans
Mercy Hospital South median $13,921 · local Medicare $10,752 · file 2026-06-10
Healthlink$20,1341.9×1
Humana$7,7080.7×2
Mercy Hospital Washington median $20,960 · local Medicare $10,752 · file 2026-06-10
Healthlink$20,9601.9×1
Mercy Hospital St Louis median $21,436 · local Medicare $10,752 · file 2026-06-04
Healthlink$21,4362.0×1
Mercy Hospital Jefferson median $22,468 · local Medicare $10,752 · file 2026-06-10
Healthlink$22,4682.1×1
Barnes-Jewish West County Hospital median $22,562 · local Medicare $10,752 · file 2025-12-15
Aetna$36,2853.4×5
Cigna$25,5982.4×6
Consociate$19,3121.8×2
Elevance/Anthem/Empire$16,7331.6×6
Health Alliance$16,0931.5×1
Humana$43,4394.0×1
Sarah Bush Lincoln$20,6601.9×1
UnitedHealthcare$24,4652.3×2
Barnes Jewish Hospital median $29,395 · local Medicare $10,752 · file 2025-12-15
Aetna$49,3934.6×5
Cigna$32,1113.0×6
Consociate$24,6292.3×2
Elevance/Anthem/Empire$26,6792.5×6
Health Alliance$23,7532.2×1
Humana$67,9406.3×1
Sarah Bush Lincoln$26,3482.5×1
UnitedHealthcare$32,5973.0×2
Alton Memorial Hospital median $36,285 · local Medicare $11,568 · file 2025-12-15
Aetna$36,2853.1×5
Humana$43,4393.8×1
UnitedHealthcare$24,4652.1×2

MS-DRG 620

Hospital · insurerRate× MedicarePlans
Mercy Hospital South median $14,156 · local Medicare $11,407 · file 2026-06-10
Healthlink$20,1341.8×1
Humana$8,1780.7×2
Mercy Hospital Washington median $20,960 · local Medicare $11,407 · file 2026-06-10
Healthlink$20,9601.8×1
Mercy Hospital St Louis median $21,436 · local Medicare $11,407 · file 2026-06-04
Healthlink$21,4361.9×1
Mercy Hospital Jefferson median $22,468 · local Medicare $11,407 · file 2026-06-10
Healthlink$22,4682.0×1
Alton Memorial Hospital median $23,925 · local Medicare $12,272 · file 2025-12-15
Aetna$36,2853.0×5
Cigna$28,2532.3×6
Consociate$20,4661.7×2
Elevance/Anthem/Empire$18,1391.5×6
Health Alliance$17,5821.4×1
Humana$43,4393.5×1
Sarah Bush Lincoln$21,8951.8×1
UnitedHealthcare$25,9552.1×2
Barnes-Jewish West County Hospital median $23,925 · local Medicare $11,407 · file 2025-12-15
Aetna$36,2853.2×5
Cigna$28,2532.5×6
Consociate$20,4661.8×2
Elevance/Anthem/Empire$18,1391.6×6
Health Alliance$17,5821.5×1
Humana$43,4393.8×1
Sarah Bush Lincoln$21,8951.9×1
UnitedHealthcare$25,9552.3×2
Barnes Jewish Hospital median $31,751 · local Medicare $11,407 · file 2025-12-15
Aetna$49,3934.3×5
Cigna$35,4413.1×6
Consociate$26,1012.3×2
Elevance/Anthem/Empire$28,9202.5×6
Health Alliance$25,9502.3×1
Humana$67,9406.0×1
Sarah Bush Lincoln$27,9232.4×1
UnitedHealthcare$34,5823.0×2

MS-DRG 619

Hospital · insurerRate× MedicarePlans
Mercy Hospital South median $17,444 · local Medicare $20,582 · file 2026-06-10
Healthlink$20,1341.0×1
Humana$14,7550.7×2
Mercy Hospital Jefferson median $22,468 · local Medicare $20,582 · file 2026-06-10
Healthlink$22,4681.1×1
Alton Memorial Hospital median $38,284 · local Medicare $22,143 · file 2025-12-15
Aetna$36,2851.6×5
Cigna$53,0562.4×6
Consociate$36,9931.7×2
Elevance/Anthem/Empire$31,1181.4×6
Health Alliance$30,0181.4×1
Humana$43,4392.0×1
Sarah Bush Lincoln$39,5751.8×1
UnitedHealthcare$46,8312.1×2
Barnes-Jewish West County Hospital median $38,284 · local Medicare $20,582 · file 2025-12-15
Aetna$36,2851.8×5
Cigna$53,0562.6×6
Consociate$36,9931.8×2
Elevance/Anthem/Empire$31,1181.5×6
Health Alliance$30,0181.5×1
Humana$43,4392.1×1
Sarah Bush Lincoln$39,5751.9×1
UnitedHealthcare$46,8312.3×2
Barnes Jewish Hospital median $50,042 · local Medicare $20,582 · file 2025-12-15
Aetna$49,3932.4×5
Cigna$64,4553.1×6
Consociate$47,1782.3×2
Elevance/Anthem/Empire$49,6132.4×6
Health Alliance$44,3042.2×1
Humana$67,9403.3×1
Sarah Bush Lincoln$50,4712.5×1
UnitedHealthcare$62,3973.0×2

Questions

How much does weight-loss surgery (gastric bypass) cost with commercial insurance in St. Louis MO?

7 St. Louis MO hospitals post usable commercial rates for inpatient stay (MS-DRG 621). The median across hospitals is $22,468; hospital medians range from $13,921 to $36,285. Your cost depends on your plan's deductible and coinsurance.