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

JASON LEE MASSA

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1841636156
CMS profile
1313045
Location
WALNUT CREEK, CA

General Payments · PY2018–2024

$4,026.05

  • Reported across 76 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$631.34

24 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 $631.34 24

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,561.33 14
PY2019 $252.34 4
PY2020 $362.47 5
PY2021 $221.49 7
PY2022 $385.01 4
PY2023 $612.07 18
PY2024 $631.34 24

Payment records · PY2024 (24)

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. $25.96 02/09/2024 Food and Beverage Undisputed 01/23/2026 1104980395 CMS
ABBVIE INC. $27.65 03/22/2024 Food and Beverage Undisputed 01/23/2026 1104980397 CMS
ABBVIE INC. $15.27 05/17/2024 Food and Beverage Undisputed 01/23/2026 1104980399 CMS
ABBVIE INC. $32.41 06/07/2024 Food and Beverage Undisputed 01/23/2026 1104980401 CMS
ABBVIE INC. $20.93 06/21/2024 Food and Beverage Undisputed 01/23/2026 1104980403 CMS
ABBVIE INC. $32.39 07/18/2024 Food and Beverage Undisputed 01/23/2026 1104980405 CMS
ABBVIE INC. $24.29 07/30/2024 Food and Beverage Undisputed 01/23/2026 1104980407 CMS
Amneal Pharmaceuticals LLC $14.28 08/29/2024 Food and Beverage Undisputed 01/23/2026 1139194584 CMS
Amneal Pharmaceuticals LLC $30.26 09/03/2024 Food and Beverage Undisputed 01/23/2026 1139194586 CMS
Amneal Pharmaceuticals LLC $13.72 10/10/2024 Food and Beverage Undisputed 01/23/2026 1139194588 CMS
Amneal Pharmaceuticals LLC $13.82 11/01/2024 Food and Beverage Undisputed 01/23/2026 1139194590 CMS
Amneal Pharmaceuticals LLC $14.07 11/21/2024 Food and Beverage Undisputed 01/23/2026 1139194592 CMS
Amneal Pharmaceuticals LLC $13.75 12/05/2024 Food and Beverage Undisputed 01/23/2026 1139194594 CMS
Amneal Pharmaceuticals LLC $14.64 12/19/2024 Food and Beverage Undisputed 01/23/2026 1139194596 CMS
Kyowa Kirin, Inc. $21.91 08/22/2024 Food and Beverage Undisputed 01/23/2026 1127032183 CMS
Neurocrine Biosciences, Inc. $14.24 07/11/2024 Food and Beverage Undisputed 01/23/2026 1150877042 CMS
Neurocrine Biosciences, Inc. $130.74 09/05/2024 Food and Beverage Undisputed 01/23/2026 1150808270 CMS
Neurocrine Biosciences, Inc. $8.72 10/17/2024 Food and Beverage Undisputed 01/23/2026 1150883537 CMS
Neurocrine Biosciences, Inc. $33.17 11/01/2024 Food and Beverage Undisputed 01/23/2026 1150821395 CMS
Neurocrine Biosciences, Inc. $32.99 11/22/2024 Food and Beverage Undisputed 01/23/2026 1150821621 CMS
Neurocrine Biosciences, Inc. $37.02 12/12/2024 Food and Beverage Undisputed 01/23/2026 1150817132 CMS
SCILEX PHARMACEUTICALS INC. $16.90 09/12/2024 Food and Beverage Undisputed 01/23/2026 1136271084 CMS
Teva Pharmaceuticals USA, Inc. $17.21 08/15/2024 Food and Beverage Undisputed 01/23/2026 1151730621 CMS
Teva Pharmaceuticals USA, Inc. $25.00 11/07/2024 Food and Beverage Undisputed 01/23/2026 1151730643 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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