Dio USA Corporation

Reporting payments is a legal requirement; large totals often reflect large product portfolios.

$1,742general payments (2019-2025)
$0.00research payments (2019-2025)
21clinicians paid

General and research payments are shown separately, never blended. Research payments are often institution-directed and tied to clinical trials.

General payments by year

2020 $1,742

General payments only, as reported to CMS. Research payments are totaled above and not included in these bars.

Specialties it works with most

General Practice (Dentist) $643
Dentist $623
Oral and Maxillofacial Surgery $288
Periodontics $167
Physical Medicine & Rehabilitation $20.99

Clinicians with the largest reported totals

Often long-running consulting, speaking, or advisory relationships, which companies must report by law. A large total is not evidence of anything improper.

ClinicianLocationSpecialtyGeneral payments (2019-2025)
Kevin Kwan Huntington Beach, CA Dentist $359.07
Joseph Mazzola Broomfield, CO General Practice (Dentist) $239.05
Ali Alijanian Walnut Creek, CA Oral and Maxillofacial Surgery $238.92
Haris Hashimi Claremont, CA Dentist $128.93
Shawn Hofkes Cerritos, CA General Practice (Dentist) $123.15
Alex Pezeshkian Cypress, CA Periodontics $117.44
Tuan Vo San Jose, CA General Practice (Dentist) $71.05
Angelica Nieto La Quinta, CA General Practice (Dentist) $69.80
Matthew Ellis St Louis Park, MN Dentist $56.79
Nader Botros Garden Grove, CA Dentist $53.81

Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.