Mark Leibowitz
Internal Medicine · Long Beach, CANPI 1144352907
Payments from drug & device makers
Across 880 payments — averaging $8588.05 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Pfizer$3.3M
- Eli Lilly$1.6M
- Sanofi Pasteur Inc.$976K
- Sanofi US Services Inc.$542K
- AstraZeneca$267K
- Regeneron$185K
- plus $685K from 18 others
Across 21 payments — averaging $4680.11 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.
- Eli Lilly$89K
- AbbVie$8K
- Corcept Therapeutics$928
What the payments were for
- Consulting fees$2004%
- Travel & lodging$3,57773%
- Food & beverage$1,10022%
- Education$321%
- Gifts$200%
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 |
|---|---|---|
| Pfizer | 206 | $3,344,515 |
| Eli Lilly | 94 | $1,558,881 |
| Sanofi Pasteur Inc. | 54 | $975,518 |
| Sanofi US Services Inc. | 27 | $541,824 |
| AstraZeneca | 16 | $267,161 |
| Regeneron | 57 | $184,739 |
| Boehringer Ingelheim International GmbH | 69 | $129,800 |
| Novavax Inc | 29 | $123,398 |
| Currax Pharmaceuticals LLC | 18 | $71,385 |
| Braintree Laboratories, Inc. | 13 | $69,631 |
| Genentech, Inc. | 15 | $67,287 |
| Merck | 7 | $43,995 |
| Corcept Therapeutics | 16 | $40,255 |
| Novo Nordisk AS | 206 | $32,485 |
| Astrazeneca UK Limited | 13 | $28,154 |
| Bayer | 23 | $27,676 |
| Alnylam Pharmaceuticals Inc. | 5 | $22,600 |
| Mylan Inc. | 3 | $10,067 |
| Seqirus USA Inc | 1 | $8,000 |
| Vertex | 2 | $7,438 |
| AbbVie | 3 | $1,721 |
| Boehringer Ingelheim RCV GmbH & Co KG | 1 | $487 |
| Eli Lilly Export S.A. Puerto Rico Branch | 1 | $435 |
| Novo Nordisk | 1 | $32 |
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.
- Korlym$395
How this compares
$7,557,483 in reported general payments places this provider in the 95th percentile of 13,581 internal medicine providers in California.
Other internal medicine in Long Beach
- Andrew ChengSouth San Francisco$55.1M
- Joel NeutelTustin$34.9M
- Donald BrandonSan Diego$34M
- William TownerLos Angeles$27.4M
- Rahul AggarwalSan Francisco$24M
- Masoud AzizadNorthridge$21.1M
- Helen StaceyWalnut Creek$20.4M
- Rohit Loombala Jolla$15.1M
- Zeid KayaliColton$14.2M
- Alexandra DrakakiSanta Monica$14.2M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.