Peter Mattar, MD
Family Medicine · Fontana, CANPI 1417005422
Payments from drug & device makers
Across 184 payments — averaging $12,317 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Eli Lilly$1.3M
- Pacira Therapeutics, Inc.$562K
- Organogenesis Inc.$157K
- Welch Allyn$102K
- Anika Therapeutics, Inc.$58K
- Sun Pharmaceutical Industries Inc.$51K
- plus $74K from 27 others
Across 3 payments — averaging $467.76 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$1K
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 |
|---|---|---|
| Eli Lilly | 29 | $1,262,054 |
| Pacira Therapeutics, Inc. | 1 | $562,132 |
| Organogenesis Inc. | 12 | $157,444 |
| Welch Allyn | 12 | $102,089 |
| Anika Therapeutics, Inc. | 19 | $57,614 |
| Sun Pharmaceutical Industries Inc. | 5 | $50,563 |
| AstraZeneca | 5 | $35,053 |
| Sanofi US Services Inc. | 17 | $16,351 |
| Taro Pharmaceuticals USA, Inc. | 1 | $9,000 |
| Amphastar Pharmaceuticals, Inc. | 1 | $8,813 |
| Novo Nordisk AS | 3 | $2,500 |
| Lexicon Pharmaceuticals, Inc. | 1 | $1,000 |
| Novo Nordisk | 13 | $268 |
| Lilly USA, LLC | 10 | $236 |
| AbbVie | 8 | $213 |
| Merck | 8 | $153 |
| Boston Scientific | 2 | $139 |
| Dexcom, Inc. | 7 | $137 |
| Biohaven Pharmaceuticals, Inc. | 5 | $92 |
| Boehringer Ingelheim | 3 | $65 |
| Pfizer | 4 | $61 |
| GSK | 2 | $50 |
| Astellas Pharma US Inc | 2 | $48 |
| Biohaven Pharmaceutical Holding Company Ltd. | 2 | $44 |
| Optos, Inc. | 2 | $36 |
| E.r. Squibb & Sons, L.L.C. | 2 | $29 |
| Kowa Pharmaceuticals America, Inc. | 2 | $26 |
| Amgen | 1 | $25 |
| Hologic Sales And Service, LLC | 1 | $24 |
| Medtronic | 1 | $22 |
| Nevro Corp. | 1 | $20 |
| Tactile Systems Technology Inc | 1 | $16 |
| Covis Pharma GmbH | 1 | $14 |
How this compares
$2,266,329 in reported general payments places this provider in the 95th percentile of 10,533 family medicine providers in California.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Other family medicine in Fontana
- Amina HaggagNorthridge$112.8M
- Steven ReynoldsLong Beach$53M
- Rizwana MohseniLake Forest$26.7M
- Daniel JohnsonSan Diego$15.7M
- Stacey LayleSan Diego$14.8M
- Apinya VutikullirdCypress$14.3M
- Hanid AudishSpring Valley$13.6M
- Augusto FocilOxnard$12.6M
- Jack VuLong Beach$10.1M
- Suzanne FussellOxnard$8.9M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.