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

ROSS BIGGERSTAFF

Dental Providers Dentist Endodontics

NPI
1437543600
CMS profile
4226833
Location
CARMEL, IN

General Payments · PY2024

$4,598.00

  • Reported across 20 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$4,598.00

20 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

Nature of paymentAmountRecords
Travel and Lodging $3,041.55 4
Education $896.94 6
Food and Beverage $659.51 10

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Sonendo Inc $4,562.05 18
Carestream Dental, LLC $19.17 1
Itamar Medical Inc $16.78 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2024 $4,598.00 20

Payment records · PY2024 (20)

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

Program year 2024
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Carestream Dental, LLC $19.17 12/18/2024 Food and Beverage Undisputed 01/23/2026 1096317055 CMS
Itamar Medical Inc $16.78 01/17/2024 Food and Beverage Undisputed 01/23/2026 1154005996 CMS
Sonendo Inc $12.34 02/28/2024 Food and Beverage Undisputed 01/23/2026 1071102339 CMS
Sonendo Inc $15.57 02/29/2024 Food and Beverage Undisputed 01/23/2026 1071102341 CMS
Sonendo Inc $21.00 03/08/2024 Food and Beverage Undisputed 01/23/2026 1071102351 CMS
Sonendo Inc $1,251.70 03/10/2024 Travel and Lodging Undisputed 01/23/2026 1071102359 CMS
Sonendo Inc $450.71 03/12/2024 Food and Beverage Undisputed 01/23/2026 1071102365 CMS
Sonendo Inc $93.75 03/27/2024 Food and Beverage Undisputed 01/23/2026 1071102355 CMS
Sonendo Inc $395.59 03/31/2024 Travel and Lodging Undisputed 01/23/2026 1088365364 CMS
Sonendo Inc $1,261.70 03/31/2024 Travel and Lodging Undisputed 01/23/2026 1088365366 CMS
Sonendo Inc $132.56 03/31/2024 Travel and Lodging Undisputed 01/23/2026 1088365368 CMS
Sonendo Inc $9.99 04/15/2024 Food and Beverage Undisputed 01/23/2026 1071102361 CMS
Sonendo Inc $11.30 06/06/2024 Education Undisputed 01/23/2026 1071102363 CMS
Sonendo Inc $6.48 06/11/2024 Food and Beverage Undisputed 01/23/2026 1071102343 CMS
Sonendo Inc $94.16 06/11/2024 Education Undisputed 01/23/2026 1071102357 CMS
Sonendo Inc $13.72 06/13/2024 Food and Beverage Undisputed 01/23/2026 1071102345 CMS
Sonendo Inc $18.16 06/13/2024 Education Undisputed 01/23/2026 1071102347 CMS
Sonendo Inc $20.96 06/13/2024 Education Undisputed 01/23/2026 1071102349 CMS
Sonendo Inc $28.36 06/13/2024 Education Undisputed 01/23/2026 1071102353 CMS
Sonendo Inc $724.00 06/30/2024 Education Undisputed 01/23/2026 1088365626 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
2024
Source files
Dataset page · Bulk file · 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.