DAVID WILLIAM DUNCAN

Allopathic & Osteopathic Physicians|Family Medicine LODI, CA NPI 1790742146

General Payments — all program years on this page

$405.73

  • Category: General Payments
  • Program years: PY2018–2019
  • Record count: 11
  • As of (CMS publication): 2026-01-23

Latest program year (PY2019): $375.54 across 9 records · disputed records: 0

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

How this figure is 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

Latest program year (PY2019) · sorted by reported total.

Nature of paymentAmountRecords
Food and Beverage $375.549

By paying entity

Latest program year (PY2019) · sorted by reported total.

Paying entityAmountRecords
EMD Serono, Inc. $225.818
ABBVIE INC. $149.731

By program year

Program yearAmountRecords
2018 $30.192
2019 $375.549

Records — PY2019 (9)

Record IDPaying entityAmountDate Nature of paymentDispute statusPublishedSource
647711083 AbbVie, Inc. $149.73 08/29/2019 Food and Beverage Undisputed 01/23/2026 View at CMS
702956497 EMD Serono, Inc. $89.51 11/19/2019 Food and Beverage Undisputed 01/23/2026 View at CMS
702956979 EMD Serono, Inc. $81.47 11/07/2019 Food and Beverage Undisputed 01/23/2026 View at CMS
702989879 EMD Serono, Inc. $15.00 04/26/2019 Food and Beverage Undisputed 01/23/2026 View at CMS
702998265 EMD Serono, Inc. $13.25 01/29/2019 Food and Beverage Undisputed 01/23/2026 View at CMS
703001837 EMD Serono, Inc. $12.50 04/09/2019 Food and Beverage Undisputed 01/23/2026 View at CMS
703005753 EMD Serono, Inc. $11.45 03/07/2019 Food and Beverage Undisputed 01/23/2026 View at CMS
703024919 EMD Serono, Inc. $1.48 02/20/2019 Food and Beverage Undisputed 01/23/2026 View at CMS
703025635 EMD Serono, Inc. $1.15 02/20/2019 Food and Beverage Undisputed 01/23/2026 View at CMS

Provenance & corrections

  • Dataset: CMS Open Payments — General Payments
  • Source: CMS Open Payments dataset (bulk file)
  • Publisher of source data: Centers for Medicare & Medicaid Services
  • Generated from: OP_DTL_GNRL_PGYR2019_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.