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Hospital Observation Service, per Hour

Massachusetts rates for HCPCS G0378

Hospital observation service, per hour

Rates data updated October 2026.

How much does Hospital Observation Service, per Hour cost?

$40.74

Typical negotiated rate. In Massachusetts, October 2026.

Insurers have agreed to pay about $40.74 for this service. The price depends on where it is billed: about $40.74 from a physician practice, and about $2,512 from a hospital or other facility.

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 8 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$40.74$6.46 to $40.74
FacilityA hospital or hospital-owned outpatient department$2,512$794 to $3,802

How much rates vary

Facilitymedian $2,512 · 10th to 90th $407 to $5,754Professionalmedian $41 · 10th to 90th $6 to $60
$10$100$1K$10Kfacility $2,512professional $41

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$6.46
Median
$6.46
Typical High
$323.59
Aetna
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$6.46
Typical High
$45.71
AllWays Health Partners
Setting
Facility
Modifier
None
Typical Low
$645.65
Median
$1,122.02
Typical High
$1,230.27
Cigna
Setting
Professional
Modifier
None
Typical Low
$40.74
Median
$40.74
Typical High
$63.10
Fallon Health
Setting
Facility
Modifier
None
Typical Low
$83.18
Median
$3,630.78
Typical High
$9,772.37
Health New England
Setting
Facility
Modifier
None
Typical Low
$575.44
Median
$1,737.80
Typical High
$6,918.31
Mass General Brigham
Setting
Facility
Modifier
None
Typical Low
$645.65
Median
$1,122.02
Typical High
$1,230.27
Tufts
Setting
Facility
Modifier
None
Typical Low
$407.38
Median
$645.65
Typical High
$912.01
Well Sense
Setting
Facility
Modifier
None
Typical Low
$2,511.89
Median
$3,467.37
Typical High
$5,128.61
Well Sense
Setting
Professional
Modifier
None
Typical Low
$2,511.89
Median
$2,511.89
Typical High
$3,019.95

Where Massachusetts sits

The same service costs 182.0 times more in Alaska than in Kansas. 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· 47th of 51

$40.74

AK $182KS $1.00

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.