David Klonoff
Endocrinology, Diabetes & Metabolism · Burlingame, CANPI 1306882949
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $59,083 of the $74,277 with a category attached, or 79.5%. 10 manufacturers reported payments, led by Novo Nordisk at 42.7% of the total. Reporting peaked in 2024 at $23,938 and has fallen 96.2% since, to $917 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 69 payments — averaging $1076.48 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Novo Nordisk$32K
- Novo Nordisk AS$11K
- Dexcom, Inc.$6K
- Roche Diagnostics Corporation$5K
- Embecta Corp.$5K
- Nevro Corp.$4K
- plus $12K from 4 others
Across 1,831 payments — averaging $673.58 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.
- Abbott$459K
- Novo Nordisk AS$438K
- Nevro Corp.$91K
- Dexcom, Inc.$79K
- Medtronic$68K
- AbbVie$49K
- plus $51K from 5 others
What the payments were for
- Consulting fees$59,08380%
- Speaking & faculty fees$7,71310%
- Travel & lodging$5,7238%
- Food & beverage$1,7592%
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.
| Company | Payments | Total |
|---|---|---|
| Novo Nordisk | 18 | $31,718 |
| Novo Nordisk AS | 12 | $10,605 |
| Dexcom, Inc. | 14 | $6,467 |
| Roche Diagnostics Corporation | 3 | $4,788 |
| Embecta Corp. | 4 | $4,700 |
| Nevro Corp. | 6 | $4,484 |
| Medtronic | 7 | $4,327 |
| Lilly USA, LLC | 2 | $4,200 |
| Ascensia Diabetes Care US Inc. | 2 | $2,973 |
| Abbott | 1 | $16 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
- Senza$4,465
- Minimed 770G System$4,000
- DEXCOM G6 CGM SYSTEM$3,418
- POC ACCU-CHEK Inform II Meters, Strips and Assessories$3,338
- DEXCOM G6 TRANSMITTER$2,678
- Tresiba$1,500
- Accu-Chek Inform II Instrument with RF card$1,450
- MINIMED 780G$146
- DEXCOM CGM$126
How this compares
$74,277 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 Burlingame
- 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
- James ChuMonterey$639K
- Anthony HeaneyLos Angeles$588K
- Daniel Einhornla Jolla$578K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.