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

ALAN A BUFFENSTEIN

Allopathic & Osteopathic Physicians Psychiatry & Neurology Psychiatry

NPI
1639278104
CMS profile
523836
Location
HONOLULU, HI

General Payments · PY2018–2024

$3,246.55

  • Reported across 96 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,160.57

18 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 $1,160.57 18

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Neurocrine BioSciences, Inc. $317.04 2
Janssen Pharmaceuticals, Inc $272.01 6
Alexion Pharmaceuticals, Inc. $250.00 2
SK Life Science, Inc. $125.00 1
ABBVIE INC. $112.71 4
Alkermes, Inc. $83.81 3

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $455.86 25
PY2019 $340.94 14
PY2020 $132.47 7
PY2021 $522.46 15
PY2022 $176.91 8
PY2023 $457.34 9
PY2024 $1,160.57 18

Payment records · PY2024 (18)

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. $41.00 01/26/2024 Food and Beverage Undisputed 01/23/2026 1103387527 CMS
ABBVIE INC. $20.56 01/31/2024 Food and Beverage Undisputed 01/23/2026 1103387529 CMS
ABBVIE INC. $34.85 04/13/2024 Food and Beverage Undisputed 01/23/2026 1103387531 CMS
ABBVIE INC. $16.30 07/17/2024 Food and Beverage Undisputed 01/23/2026 1103387533 CMS
Alexion Pharmaceuticals, Inc. $125.00 02/22/2024 Food and Beverage Undisputed 01/23/2026 1093889413 CMS
Alexion Pharmaceuticals, Inc. $125.00 07/11/2024 Food and Beverage Undisputed 01/23/2026 1093915032 CMS
Alkermes, Inc. $27.60 04/03/2024 Food and Beverage Undisputed 01/23/2026 1120473251 CMS
Alkermes, Inc. $29.67 06/10/2024 Food and Beverage Undisputed 01/23/2026 1120473253 CMS
Alkermes, Inc. $26.54 12/06/2024 Food and Beverage Undisputed 01/23/2026 1120473255 CMS
Janssen Pharmaceuticals, Inc $28.33 04/08/2024 Food and Beverage Undisputed 01/23/2026 1077997982 CMS
Janssen Pharmaceuticals, Inc $128.04 05/17/2024 Food and Beverage Undisputed 01/23/2026 1077997746 CMS
Janssen Pharmaceuticals, Inc $35.32 06/07/2024 Food and Beverage Undisputed 01/23/2026 1077997804 CMS
Janssen Pharmaceuticals, Inc $3.20 06/07/2024 Food and Beverage Undisputed 01/23/2026 1077998034 CMS
Janssen Pharmaceuticals, Inc $42.09 09/13/2024 Food and Beverage Undisputed 01/23/2026 1077998012 CMS
Janssen Pharmaceuticals, Inc $35.03 11/25/2024 Food and Beverage Undisputed 01/23/2026 1077997978 CMS
Neurocrine Biosciences, Inc. $145.43 06/06/2024 Food and Beverage Undisputed 01/23/2026 1150806899 CMS
Neurocrine Biosciences, Inc. $171.61 08/22/2024 Food and Beverage Undisputed 01/23/2026 1150806126 CMS
SK Life Science, Inc. $125.00 04/16/2024 Food and Beverage Undisputed 01/23/2026 1154130039 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

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