Marc Hellerstein
Endocrinology, Diabetes & Metabolism · San Francisco, CANPI 1780884098
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $54,874 of the $56,364 with a category attached, or 97.4%. 4 manufacturers reported payments, led by Gilead at 34.1% of the total. Reporting peaked in 2021 at $17,320 and has fallen 54.9% since, to $7,813 in 2025. Among endocrinology, diabetes & metabolism clinicians in CA with any reported payments, this total sits in the top 10% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 22 payments — averaging $2561.99 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Gilead$19K
- Eli Lilly$14K
- Pfizer$14K
- AbbVie$9K
Across 13 payments — averaging $90,850 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Gilead$845K
- Merck$186K
- Pfizer$150K
What the payments were for
- Consulting fees$54,87497%
- Travel & lodging$1,2682%
- Food & beverage$2220%
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
How this compares
$56,364 in reported general payments places this provider in the 90th percentile of 952 endocrinology, diabetes & metabolism providers in California.
See all endocrinology, diabetes & metabolism providers in California →
Other endocrinology, diabetes & metabolism in San Francisco
- Cheng Yang TuanSan Francisco$568K
- Lewis BlevinsSan Francisco$166K
- Wade AubrySan Francisco$79K
- Juan FriasSan Diego$1.4M
- Joselito CabaccanSan Jose$1.4M
- Daniel NadeauNewport Beach$1.2M
- Yehuda HandelsmanTarzana$1M
- Helen BaronRancho Mirage$958K
- Ken FujiokaSan Diego$747K
- Minou TranPico Rivera$663K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.