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

DAVID CURT CHAFFIN

Allopathic & Osteopathic Physicians Allergy & Immunology

NPI
1235178377
CMS profile
192471
Location
CHATTANOOGA, TN

General Payments · PY2018–2024

$4,669.90

  • Reported across 252 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$976.42

42 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
Food and Beverage $976.42 42

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $988.62 66
PY2019 $894.72 51
PY2020 $473.02 21
PY2021 $142.42 9
PY2022 $573.10 32
PY2023 $621.60 31
PY2024 $976.42 42

Payment records · PY2024 (42)

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

Program year 2024 201820192020202120222023 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
ABBVIE INC. $19.38 02/28/2024 Food and Beverage Undisputed 01/23/2026 1103434402 CMS
AstraZeneca Pharmaceuticals LP $87.68 01/29/2024 Food and Beverage Undisputed 01/23/2026 1104691088 CMS
AstraZeneca Pharmaceuticals LP $13.33 03/28/2024 Food and Beverage Undisputed 01/23/2026 1104652965 CMS
AstraZeneca Pharmaceuticals LP $13.37 04/11/2024 Food and Beverage Undisputed 01/23/2026 1104392483 CMS
AstraZeneca Pharmaceuticals LP $13.55 07/31/2024 Food and Beverage Undisputed 01/23/2026 1104482314 CMS
AstraZeneca Pharmaceuticals LP $14.19 08/27/2024 Food and Beverage Undisputed 01/23/2026 1105535210 CMS
AstraZeneca Pharmaceuticals LP $14.23 10/02/2024 Food and Beverage Undisputed 01/23/2026 1104529944 CMS
AstraZeneca Pharmaceuticals LP $17.74 12/04/2024 Food and Beverage Undisputed 01/23/2026 1104403955 CMS
CSL Behring $22.44 01/30/2024 Food and Beverage Undisputed 01/23/2026 1134632403 CMS
CSL Behring $34.58 07/02/2024 Food and Beverage Undisputed 01/23/2026 1134632459 CMS
Dexcom, Inc. $15.07 02/08/2024 Food and Beverage Undisputed 01/23/2026 1153294691 CMS
GENZYME CORPORATION $22.18 01/12/2024 Food and Beverage Undisputed 01/23/2026 1139673869 CMS
GENZYME CORPORATION $8.30 03/07/2024 Food and Beverage Undisputed 01/23/2026 1139673875 CMS
GENZYME CORPORATION $17.87 04/05/2024 Food and Beverage Undisputed 01/23/2026 1139673885 CMS
GENZYME CORPORATION $22.16 05/15/2024 Food and Beverage Undisputed 01/23/2026 1139673911 CMS
GENZYME CORPORATION $23.95 06/14/2024 Food and Beverage Undisputed 01/23/2026 1139673917 CMS
GENZYME CORPORATION $18.84 07/26/2024 Food and Beverage Undisputed 01/23/2026 1139673925 CMS
GENZYME CORPORATION $6.59 08/01/2024 Food and Beverage Undisputed 01/23/2026 1139673941 CMS
GENZYME CORPORATION $25.13 08/23/2024 Food and Beverage Undisputed 01/23/2026 1139673939 CMS
GENZYME CORPORATION $28.92 10/21/2024 Food and Beverage Undisputed 01/23/2026 1139673963 CMS
GlaxoSmithKline, LLC. $19.94 05/21/2024 Food and Beverage Undisputed 01/23/2026 1116278334 CMS
GlaxoSmithKline, LLC. $18.99 07/01/2024 Food and Beverage Undisputed 01/23/2026 1116177940 CMS
Grifols USA, LLC $24.81 03/21/2024 Food and Beverage Undisputed 01/23/2026 1124715361 CMS
Grifols USA, LLC $14.44 05/24/2024 Food and Beverage Undisputed 01/23/2026 1124715357 CMS
Grifols USA, LLC $20.59 07/16/2024 Food and Beverage Undisputed 01/23/2026 1124715355 CMS
Grifols USA, LLC $23.56 09/12/2024 Food and Beverage Undisputed 01/23/2026 1124715359 CMS
kaleo, Inc. $15.47 06/19/2024 Food and Beverage Undisputed 01/23/2026 1126623858 CMS
Lilly USA, LLC $22.37 10/18/2024 Food and Beverage Undisputed 01/23/2026 1136127617 CMS
Novartis Pharmaceuticals Corporation $20.18 08/07/2024 Food and Beverage Undisputed 01/23/2026 1086697757 CMS
Novartis Pharmaceuticals Corporation $13.51 09/24/2024 Food and Beverage Undisputed 01/23/2026 1086697755 CMS
Octapharma USA, Inc. $25.77 03/12/2024 Food and Beverage Undisputed 01/23/2026 1142313156 CMS
Octapharma USA, Inc. $25.31 11/14/2024 Food and Beverage Undisputed 01/23/2026 1142313158 CMS
Optinose US, Inc. $22.93 10/08/2024 Food and Beverage Undisputed 01/23/2026 1142193178 CMS
Regeneron Healthcare Solutions, Inc. $39.67 02/09/2024 Food and Beverage Undisputed 01/23/2026 1114020946 CMS
Regeneron Healthcare Solutions, Inc. $22.32 03/29/2024 Food and Beverage Undisputed 01/23/2026 1114020948 CMS
Regeneron Healthcare Solutions, Inc. $30.04 04/23/2024 Food and Beverage Undisputed 01/23/2026 1114020950 CMS
Regeneron Healthcare Solutions, Inc. $32.48 06/04/2024 Food and Beverage Undisputed 01/23/2026 1114020952 CMS
Regeneron Healthcare Solutions, Inc. $31.85 09/06/2024 Food and Beverage Undisputed 01/23/2026 1114020954 CMS
Regeneron Healthcare Solutions, Inc. $30.70 11/15/2024 Food and Beverage Undisputed 01/23/2026 1114020956 CMS
Regeneron Healthcare Solutions, Inc. $39.37 12/13/2024 Food and Beverage Undisputed 01/23/2026 1114020958 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.67 01/30/2024 Food and Beverage Undisputed 01/23/2026 1137505894 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17.95 05/21/2024 Food and Beverage Undisputed 01/23/2026 1137505898 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, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , 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.