Diagnostic mammogram, one breast in Santa Rosa-Petaluma, CA
In Santa Rosa-Petaluma, CA, 4 hospitals list a cash price for Diagnostic mammogram, one breast: from $314.16 to $914.94, with a median of $412.59. The lowest listed price is at NorCal HealthConnect LLC.
Cash prices at 4 facilities across 3 cities for code 77065, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Santa Rosa-Petaluma, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| NorCal HealthConnect LLC lowest Healdsburg, CA HC MAMMO DIAG UNI W CAD | $314.16 | $616.00 | 49% | Apr 1, 2026 source file |
| Kaiser Foundation Hospital - Santa Rosa Santa Rosa, CA DIAGNOSTIC MAMMOGRAPHY COMPUTER-AIDED DETCJ UNI | $375.20 | $670.00 | 44% | — source file |
| NorCal HealthConnect LLC Petaluma, CA HC MAMMO DIAG UNI W CAD | $412.59 | $809.00 | 49% | Apr 1, 2026 source file |
| St Joseph Health Northern California LLC Santa Rosa, CA HC MAMMO DIAG UNI W CAD | $684.42 | $1,342.00 | 49% | Apr 1, 2026 source file |
| NorCal HealthConnect LLC Petaluma, CA HC MAMMO DIAG UNI W CAD | $914.94 | $1,794.00 | 49% | Apr 1, 2026 source file |
Outpatient: lowest $314.16, median $412.59, highest $914.94 — a 2.9× difference within the same market.
As an inpatient, the same code is billed by 4 facilities here, median $529.81. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
What it is
A diagnostic mammogram of one breast is an X-ray exam done to check a specific concern, such as a lump, pain, nipple discharge or an unclear result on a screening mammogram. It usually takes more images than a screening exam.
What the price covers
The hospital price usually covers the imaging, including computer-aided detection when used. The radiologist's reading is often billed separately, and 3D mammography (tomosynthesis) or a follow-up ultrasound is billed under other codes.