Has Maria Walker received payments from drug or device companies?

Yes. Drug and device makers reported $128,472 in general payments to Maria Walker across 300 transactions between 2019–2025. Most Open Payments records nationally are meals worth under $20; a reported payment is not evidence of wrongdoing.

Does a payment mean Maria Walker did something wrong?

No. Federal law requires drug and device makers to report almost every transfer of value to a physician, including a $14 sandwich at a lunch presentation. Consulting fees, research funding and royalties to device inventors are ordinary, legal parts of medicine. This site reports what was disclosed; it makes no allegation.

Where does this information about Maria Walker come from?

The U.S. Centers for Medicare & Medicaid Services. Payments come from Open Payments, published under the Physician Payments Sunshine Act. Billing and prescribing figures come from the Medicare Physician & Other Practitioners and Part D Prescriber public use files for 2024.

Maria Walker

Optometrist · Houston, TXNPI 1902196876

Payments from drug & device makers

What this record shows

The money is spread across several categories — consulting fees (54.0%), speaking fees and travel and lodging — rather than concentrated in one kind of arrangement. Alcon accounts for 63.4% of it on its own, with 14 other manufacturers making up the rest. Reporting peaked in 2019 at $39,707 and has fallen 75.8% since, to $9,609 in 2025. Among optometrist clinicians in TX with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.

$128,472in general payments, 2019–2025

Across 300 payments — averaging $428.24 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

Alcon$82K
Bausch & Lomb, A Division Of Bausch Health US, LLC$27K
Coopervision Inc.$6K
Bausch & Lomb Americas Inc.$5K
ABB Con-cise Optical Group LLC$4K
Visionary Optics LLC$2K
plus $4K from 9 others

What the payments were for

Consulting fees$69,31954%
Speaking & faculty fees$28,45822%
Travel & lodging$17,72014%
Food & beverage$11,1929%
Education$390%
Gifts$1,7451%

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
Alcon	150	$81,502
Bausch & Lomb, A Division Of Bausch Health US, LLC	35	$26,594
Coopervision Inc.	57	$6,130
Bausch & Lomb Americas Inc.	6	$4,561
ABB Con-cise Optical Group LLC	8	$3,755
Visionary Optics LLC	3	$1,935
Tarsus Pharmaceuticals, Inc.	13	$1,103
Visioneering Technologies, Inc.	1	$1,000
Glaukos Corporation	10	$917
Johnson & Johnson Vision Care, Inc.	12	$672
Sun Pharmaceutical Industries Inc.	1	$107
Shire North American Group Inc	1	$87
Haag-streit USA, Inc.	1	$53
EMD Serono, Inc.	1	$39
Dompe US, Inc.	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.

How this compares

$128,472 in reported general payments places this provider in the 95th percentile of 4,315 optometrist providers in Texas.

See all optometrist providers in Texas →

Other optometrist in Houston

Claudio LagunasHouston$644K
Ashley Wallace-TuckerHouston$547K
Bridgitte LeeHouston$222K
Phillip BrunsonHouston$214K
Seema NandaHouston$87K
Danica MarrelliHouston$87K
Richard BakerHouston$78K
Karen LeeHouston$71K
Nishi MehdirattaHouston$45K
Ali MostaghimiHouston$37K

See the full list for Texas →

Where these figures come from

Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
Identity: NPPES NPI Registry, July 2026.

Is this you, or does something look wrong? →