Physician

Barbara Marie Galligan, MD

According to 2025 Medicare claims, Barbara Galligan, MD (NPI: 1679896013) practices medical oncology in the San Rafael, CA market, with the plurality of this provider's patient population coming from Marin, CA. This provider's primary affiliated billing organization is MARIN CANCER CARE, INC. (NPI: 1629370499; TIN: 272191391) and primary practice location at 94904-2018.

Galligan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 323 traditional Medicare patients, billed 121,196 HCPCS/CPT codes, and received $2,150,361 in Medicare payments. The top billing code was 99215 (Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more). Part D data shows 676 prescription claims across 139 beneficiaries totaling $1,556,073 in drug costs, led by Tagrisso (Osimertinib Mesylate). DME data shows 13 claims. Open Payments data shows 56 records totaling $245,016. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has moved sharply higher in recent years, from $173,145 to $2,150,361. Similarly, Part D prescription costs have risen steadily, from $239,782 to $1,556,073. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.