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

GREGG DUISTERMARS

Eye and Vision Services Providers Optometrist

NPI
1376696427
CMS profile
744367
Location
GRANBURY, TX

General Payments · PY2018–2019

$1,873.41

  • Reported across 49 records
  • CMS publication 2026-01-23

Latest program year · PY2019

$794.80

23 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

PY2019 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $794.80 23

By paying entity

PY2019 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,078.61 26
PY2019 $794.80 23

Payment records · PY2019 (23)

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

Program year 2019 2018 Record-level detail is published for PY2019; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Aerie Pharmaceuticals, Inc. $21.49 03/23/2019 Food and Beverage Undisputed 01/23/2026 662012523 CMS
Aerie Pharmaceuticals, Inc. $22.99 12/06/2019 Food and Beverage Undisputed 01/23/2026 662012525 CMS
Alcon Vision LLC $11.19 08/29/2019 Food and Beverage Undisputed 01/23/2026 665841099 CMS
Alcon Vision LLC $124.41 11/06/2019 Food and Beverage Undisputed 01/23/2026 665826173 CMS
Allergan Inc. $14.91 09/06/2019 Food and Beverage Undisputed 01/23/2026 670277109 CMS
Bausch & Lomb, a division of Bausch Health US, LLC $99.98 10/24/2019 Food and Beverage Undisputed 01/23/2026 684407081 CMS
Integra LifeSciences Corporation $32.01 09/12/2019 Food and Beverage Undisputed 01/23/2026 697141395 CMS
Novartis Pharmaceuticals Corporation $18.19 02/14/2019 Food and Beverage Undisputed 01/23/2026 658942215 CMS
Novartis Pharmaceuticals Corporation $8.57 03/28/2019 Food and Beverage Undisputed 01/23/2026 658942221 CMS
Novartis Pharmaceuticals Corporation $15.12 05/09/2019 Food and Beverage Undisputed 01/23/2026 658942231 CMS
Novartis Pharmaceuticals Corporation $120.89 06/13/2019 Food and Beverage Undisputed 01/23/2026 658942227 CMS
Shire North American Group Inc $17.51 01/02/2019 Food and Beverage Undisputed 01/23/2026 637815741 CMS
Shire North American Group Inc $6.20 01/25/2019 Food and Beverage Undisputed 01/23/2026 637815743 CMS
Shire North American Group Inc $18.37 03/01/2019 Food and Beverage Undisputed 01/23/2026 637815745 CMS
Shire North American Group Inc $21.36 03/29/2019 Food and Beverage Undisputed 01/23/2026 637815747 CMS
Shire North American Group Inc $112.39 04/16/2019 Food and Beverage Undisputed 01/23/2026 637815749 CMS
Shire North American Group Inc $11.54 05/16/2019 Food and Beverage Undisputed 01/23/2026 637815751 CMS
Shire North American Group Inc $19.89 06/07/2019 Food and Beverage Undisputed 01/23/2026 637815753 CMS
Sun Pharmaceutical Industries Inc. $21.84 01/03/2019 Food and Beverage Undisputed 01/23/2026 704598525 CMS
Sun Pharmaceutical Industries Inc. $12.59 01/22/2019 Food and Beverage Undisputed 01/23/2026 704598527 CMS
Sun Pharmaceutical Industries Inc. $20.26 04/09/2019 Food and Beverage Undisputed 01/23/2026 704598529 CMS
Sun Pharmaceutical Industries Inc. $15.82 07/09/2019 Food and Beverage Undisputed 01/23/2026 704598531 CMS
Sun Pharmaceutical Industries Inc. $27.28 11/14/2019 Food and Beverage Undisputed 01/23/2026 704598533 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
Source files
Dataset page · Bulk file · PY2018 , PY2019
Generated from
OP_DTL_GNRL_PGYR2019_P01232026_01102026.csv

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