Louis Blumenfeld, MD
Pediatric Ophthalmology and Strabismus Specialist · Maitland, FLNPI 1396783130
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $1,336 of the $2,046 with a category attached, or 65.3%. Natus Medical Incorporated accounts for 65.3% of it on its own, with 7 other manufacturers making up the rest. Reporting peaked in 2023 at $1,508 and has fallen 98.7% since, to $19 in 2025.
Across 21 payments — averaging $97.44 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Natus Medical Incorporated$1K
- Amgen$481
- Santen Inc.$110
- Sun Pharmaceutical Industries Inc.$44
- Biotissue Holdings Inc.$24
- Mallinckrodt Hospital Products Inc.$19
- plus $31 from 2 others
Across 2 payments — averaging $26,744 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.
- Novartis$53K
What the payments were for
- Speaking & faculty fees$1,33665%
- Food & beverage$69334%
- Gifts$171%
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 |
|---|---|---|
| Natus Medical Incorporated | 1 | $1,336 |
| Amgen(2 entities) | 13 | $481 |
| Santen Inc. | 1 | $110 |
| Sun Pharmaceutical Industries Inc. | 2 | $44 |
| Biotissue Holdings Inc. | 1 | $24 |
| Mallinckrodt Hospital Products Inc. | 1 | $19 |
| Carl Zeiss Meditec, Inc. | 1 | $17 |
| Spark Therapeutics, Inc. | 1 | $14 |
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.
How this compares
Too few pediatric ophthalmology and strabismus specialist providers in Floridato place this figure against a meaningful peer group, so we don't.
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 pediatric ophthalmology and strabismus specialist in Maitland
- Robert GoldMaitland$3K
- Vikisha HazariwalaMaitland$1K
- Robert HeredMaitland$211
- Rebecca AdamsMaitland$41
- Isabella HerreraMaitland$23
- Austin BachHollywood$12K
- Dawn DussPonte Vedra Beach$9K
- Mariana Abi KaramMiami$2K
- Scott SilvermanBradenton$908
- Megha PansaraTampa$310
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.