MedCheckWize

California vs Oklahoma: Medicare Costs (2026)

Side-by-side comparison of Medicare spending, premiums, and healthcare coverage.

MetricCalifornia (CA)Oklahoma (OK)
Medicare Spending/Capita$10,208$8,711
Medicare Enrollees7,080,7501,221,274
Medicaid Enrollees9,524,3321,661,698
Part B Premium$185/mo$185/mo
Part D Premium (Avg)$78/mo$57/mo
Medigap Premium (Avg)$132/mo$198/mo
Medicaid ExpansionYesYes
Uninsured Rate7.9%6.9%

Top Procedure Costs

ProcedureCaliforniaOklahomaDifference
Kidney Transplant$143,424$110,415+$33,008
Liver Transplant$135,205$212,737$-77,532
Heart Valve Replacement$89,317$70,455+$18,862
Coronary Artery Bypass Graft (CABG)$81,579$93,613$-12,034
Spinal Fusion$56,527$54,044+$2,484
Total Knee Replacement$39,016$37,747+$1,268
Defibrillator Implantation (ICD)$37,120$42,777$-5,656
Total Hip Replacement$32,614$27,334+$5,280
Colectomy$27,781$28,920$-1,139
View CaliforniaView Oklahoma

Frequently Asked Questions

Which state has higher Medicare spending, California or Oklahoma?

California has higher Medicare spending at $10,208 per capita vs $8,711 in Oklahoma.

Which state has a lower uninsured rate?

Oklahoma has a lower uninsured rate of 6.9% compared to 7.9% in California.

Have both California and Oklahoma expanded Medicaid?

California has expanded Medicaid. Oklahoma has expanded Medicaid.