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Hospital Observation Service, per Hour

Massachusetts rates for HCPCS G0378

Hospital observation service, per hour

Rates data updated July 2026.

How much does Hospital Observation Service, per Hour cost?

$97.72

Typical facility fee. In Massachusetts, July 2026.

Insurers have agreed to pay about $97.72 for this service. Most negotiated rates run $60.26 to $219.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 7 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $129 · 10th to 90th $55 to $813Professionalmedian $46 · 10th to 90th $2 to $117
$10$100$1Kfacility $129professional $46

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$54.95
Median
$117.49
Typical High
$776.25
Aetna
Setting
Professional
Modifier
Global
Typical Low
$1.70
Median
$45.71
Typical High
$131.83
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$645.65
Median
$1,096.48
Typical High
$1,230.27
Cigna
Setting
Professional
Modifier
Global
Typical Low
$40.74
Median
$40.74
Typical High
$40.74
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$83.18
Median
$5,888.44
Typical High
$9,772.37
Health New England
Setting
Facility
Modifier
Global
Typical Low
$436.52
Median
$1,659.59
Typical High
$8,317.64
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$645.65
Median
$1,096.48
Typical High
$1,230.27
Tufts
Setting
Facility
Modifier
Global
Typical Low
$426.58
Median
$660.69
Typical High
$870.96

Where Massachusetts sits

The same service costs 7.1 times more in New Jersey than in Vermont. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Massachusetts· 9th of 51

$97.72

NJ $251VT $35.48

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.