Physician

Nisha Hariharan, MD

According to 2025 Medicare claims, Nisha Hariharan, MD (NPI: 1679004543) practices hematology/oncology in the Oakland-Fremont-Berkeley, CA market, with the plurality of this provider's patient population coming from Alameda, CA. This provider's primary affiliated billing organization is UCSF MEDICAL GROUP BUSINESS SERVICES (NPI: 1477624104; TIN: 943281660) and primary practice location at 94702-2498.

Hariharan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 218 traditional Medicare patients, billed 32,966 HCPCS/CPT codes, and received $950,631 in Medicare payments. The top billing code was 99205 (New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more). Part D data shows 255 prescription claims across 58 beneficiaries totaling $1,275,493 in drug costs, led by Jakafi (Ruxolitinib Phosphate). No Open Payments records. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $720 to $1,275,493. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.