A-Dec, INC.

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

$12Mgeneral payments (2019-2025)
$0.00research payments (2019-2025)
12,324clinicians 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

2019 $1.7M
2020 $1.5M
2021 $1.6M
2022 $1.7M
2023 $2.0M
2024 $1.8M
2025 $1.6M

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) $5.9M
Dentist $4.3M
Pediatric Dentistry $561K
Periodontics $343K
Endodontics $288K
Orthodontics and Dentofacial Orthopedics $204K

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)
Phillip Kemp Brentwood, TN General Practice (Dentist) $48,549.50
Sergio Guzman Worcester, MA Periodontics $45,950.00
Daniel Kazachkov Attleboro, MA Dentist $39,334.60
Hazem Elbialy Schoharie, NY General Practice (Dentist) $32,558.55
Bryan Euzent Tualatin, OR Dentist $31,752.33
Marcus Wisner Salt Lake City, UT Dentist $27,320.00
Jessica Ellis Tualatin, OR Dentist $26,515.71
Benita Miller Richmond, VA Periodontics $24,409.00
Rina Jindal Pasadena, CA Dentist $23,901.92
Jonathan Vandenburgh Mattawan, MI Dentist $23,158.53

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.