Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

DONALD A TYNDALL

Dental Providers Dentist Oral and Maxillofacial Radiology

NPI
1790781920
CMS profile
1097780
Location
CHAPEL HILL, NC

General Payments · PY2018–2024

$234,682.88

  • Reported across 118 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$20,734.35

11 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2024 · sorted by reported total

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Sirona Dental Systems GmbH $20,129.83 9
Dentsply Sirona Inc $438.00 1
Siemens Medical Solutions USA, Inc. $166.52 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $135,870.26 65
PY2019 $65,977.23 35
PY2020 $10,000.00 1
PY2021 $34.49 1
PY2023 $2,066.55 5
PY2024 $20,734.35 11

Payment records · PY2024 (11)

Sorted by paying entity, then date · as published by CMS

Program year 2024 20182019202020212023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Dentsply Sirona Inc $438.00 09/26/2024 Food and Beverage Undisputed 01/23/2026 1123498364 CMS
Siemens Medical Solutions USA, Inc. $166.52 09/27/2024 Food and Beverage Undisputed 01/23/2026 1093695970 CMS
Sirona Dental Systems GmbH $839.25 02/19/2024 Travel and Lodging Undisputed 01/23/2026 1132924335 CMS
Sirona Dental Systems GmbH $2,178.89 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1132924311 CMS
Sirona Dental Systems GmbH $321.18 02/27/2024 Travel and Lodging Undisputed 01/23/2026 1132924308 CMS
Sirona Dental Systems GmbH $162.38 05/23/2024 Travel and Lodging Undisputed 01/23/2026 1132924331 CMS
Sirona Dental Systems GmbH $21.62 05/24/2024 Travel and Lodging Undisputed 01/23/2026 1132924328 CMS
Sirona Dental Systems GmbH $2,206.51 07/05/2024 Travel and Lodging Undisputed 01/23/2026 1132924324 CMS
Sirona Dental Systems GmbH $4,800.00 08/21/2024 Consulting Fee Undisputed 01/23/2026 1132924316 CMS
Sirona Dental Systems GmbH $6,400.00 09/17/2024 Consulting Fee Undisputed 01/23/2026 1132924320 CMS
Sirona Dental Systems GmbH $3,200.00 10/09/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1132924304 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2018, 2019, 2020, 2021, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.