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

LUCAS BUCHANAN

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1396277786
CMS profile
4220140
Location
COLUMBIA, TN

General Payments · PY2018–2024

$1,439.93

  • Reported across 70 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$922.53

48 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 $922.53 48

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
ABBVIE INC. $555.35 32
Takeda Pharmaceuticals U.S.A., Inc. $149.23 6
GENZYME CORPORATION $55.44 2
Lilly USA, LLC $50.13 3
ERBE USA INC $50.00 1
Phathom Pharmaceuticals, Inc. $29.50 2
EVOKE PHARMA, INC. $17.51 1
Janssen Biotech, Inc. $15.37 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $16.33 1
PY2020 $11.48 1
PY2022 $133.86 5
PY2023 $355.73 15
PY2024 $922.53 48

Payment records · PY2024 (48)

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

Program year 2024 2018202020222023 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. $18.85 01/05/2024 Food and Beverage Undisputed 01/23/2026 1103385235 CMS
ABBVIE INC. $14.42 01/25/2024 Food and Beverage Undisputed 01/23/2026 1103385237 CMS
ABBVIE INC. $15.40 02/01/2024 Food and Beverage Undisputed 01/23/2026 1103385239 CMS
ABBVIE INC. $15.59 02/23/2024 Food and Beverage Undisputed 01/23/2026 1103385241 CMS
ABBVIE INC. $23.51 02/29/2024 Food and Beverage Undisputed 01/23/2026 1103385243 CMS
ABBVIE INC. $13.21 03/07/2024 Food and Beverage Undisputed 01/23/2026 1103385245 CMS
ABBVIE INC. $12.90 03/29/2024 Food and Beverage Undisputed 01/23/2026 1103385247 CMS
ABBVIE INC. $24.42 04/04/2024 Food and Beverage Undisputed 01/23/2026 1103385249 CMS
ABBVIE INC. $15.10 04/18/2024 Food and Beverage Undisputed 01/23/2026 1103385251 CMS
ABBVIE INC. $23.68 04/18/2024 Food and Beverage Undisputed 01/23/2026 1103385253 CMS
ABBVIE INC. $18.29 05/03/2024 Food and Beverage Undisputed 01/23/2026 1103385255 CMS
ABBVIE INC. $21.52 05/08/2024 Food and Beverage Undisputed 01/23/2026 1103385257 CMS
ABBVIE INC. $17.52 05/17/2024 Food and Beverage Undisputed 01/23/2026 1103385259 CMS
ABBVIE INC. $12.32 05/23/2024 Food and Beverage Undisputed 01/23/2026 1103385261 CMS
ABBVIE INC. $14.61 06/20/2024 Food and Beverage Undisputed 01/23/2026 1103385263 CMS
ABBVIE INC. $21.29 06/20/2024 Food and Beverage Undisputed 01/23/2026 1103385265 CMS
ABBVIE INC. $22.40 06/28/2024 Food and Beverage Undisputed 01/23/2026 1103385267 CMS
ABBVIE INC. $12.50 07/10/2024 Food and Beverage Undisputed 01/23/2026 1103385269 CMS
ABBVIE INC. $21.47 07/12/2024 Food and Beverage Undisputed 01/23/2026 1103385271 CMS
ABBVIE INC. $14.55 07/18/2024 Food and Beverage Undisputed 01/23/2026 1103385273 CMS
ABBVIE INC. $27.16 07/23/2024 Food and Beverage Undisputed 01/23/2026 1103385275 CMS
ABBVIE INC. $10.27 07/25/2024 Food and Beverage Undisputed 01/23/2026 1103385277 CMS
ABBVIE INC. $8.40 08/01/2024 Food and Beverage Undisputed 01/23/2026 1103385279 CMS
ABBVIE INC. $24.92 08/08/2024 Food and Beverage Undisputed 01/23/2026 1103385281 CMS
ABBVIE INC. $14.92 08/15/2024 Food and Beverage Undisputed 01/23/2026 1103385283 CMS
ABBVIE INC. $16.35 09/05/2024 Food and Beverage Undisputed 01/23/2026 1103385285 CMS
ABBVIE INC. $14.13 09/19/2024 Food and Beverage Undisputed 01/23/2026 1103385287 CMS
ABBVIE INC. $24.65 10/04/2024 Food and Beverage Undisputed 01/23/2026 1103385289 CMS
ABBVIE INC. $10.79 10/17/2024 Food and Beverage Undisputed 01/23/2026 1103385291 CMS
ABBVIE INC. $15.67 10/30/2024 Food and Beverage Undisputed 01/23/2026 1103385293 CMS
ABBVIE INC. $19.80 11/14/2024 Food and Beverage Undisputed 01/23/2026 1103385295 CMS
ABBVIE INC. $14.74 12/05/2024 Food and Beverage Undisputed 01/23/2026 1103385297 CMS
ERBE USA INC $50.00 07/24/2024 Food and Beverage Undisputed 01/23/2026 1132919266 CMS
EVOKE PHARMA, INC. $17.51 08/05/2024 Food and Beverage Undisputed 01/23/2026 1127777663 CMS
GENZYME CORPORATION $29.76 05/22/2024 Food and Beverage Undisputed 01/23/2026 1139572544 CMS
GENZYME CORPORATION $25.68 11/06/2024 Food and Beverage Undisputed 01/23/2026 1139572776 CMS
Janssen Biotech, Inc. $15.37 10/04/2024 Food and Beverage Undisputed 01/23/2026 1078260633 CMS
Lilly USA, LLC $14.73 08/01/2024 Food and Beverage Undisputed 01/23/2026 1135095858 CMS
Lilly USA, LLC $15.27 09/12/2024 Food and Beverage Undisputed 01/23/2026 1135159892 CMS
Lilly USA, LLC $20.13 10/31/2024 Food and Beverage Undisputed 01/23/2026 1135133926 CMS
Phathom Pharmaceuticals, Inc. $14.45 02/28/2024 Food and Beverage Undisputed 01/23/2026 1151044312 CMS
Phathom Pharmaceuticals, Inc. $15.05 03/19/2024 Food and Beverage Undisputed 01/23/2026 1151044314 CMS
Takeda Pharmaceuticals U.S.A., Inc. $29.35 02/15/2024 Food and Beverage Undisputed 01/23/2026 1137498420 CMS
Takeda Pharmaceuticals U.S.A., Inc. $27.78 04/22/2024 Food and Beverage Undisputed 01/23/2026 1137498424 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.73 08/15/2024 Food and Beverage Undisputed 01/23/2026 1137498428 CMS
Takeda Pharmaceuticals U.S.A., Inc. $20.51 08/28/2024 Food and Beverage Undisputed 01/23/2026 1137498431 CMS
Takeda Pharmaceuticals U.S.A., Inc. $36.34 09/26/2024 Food and Beverage Undisputed 01/23/2026 1137498435 CMS
Takeda Pharmaceuticals U.S.A., Inc. $13.52 11/21/2024 Food and Beverage Undisputed 01/23/2026 1137498439 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, 2020, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2020 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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