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

TRISTAN ZHANG

Allopathic & Osteopathic Physicians Physical Medicine & Rehabilitation Pain Medicine

NPI
1427318054
CMS profile
4223740
Location
SANTA BARBARA, CA

General Payments · PY2018–2024

$17,640.44

  • Reported across 212 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,069.21

44 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 $1,069.21 44

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
BIOTRONIK NRO, Inc. $640.92 29
ABBVIE INC. $201.48 7
Medtronic, Inc. $64.93 1
Abbott Laboratories $60.74 3
SI-BONE, INC. $32.89 1
Pacira Pharmaceuticals Incorporated $27.72 1
Merck Sharp & Dohme Corporation $23.07 1
Nalu Medical, Inc. $17.46 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $7,047.89 27
PY2019 $1,354.43 3
PY2020 $71.96 4
PY2021 $1,269.58 20
PY2022 $4,871.28 66
PY2023 $1,956.09 48
PY2024 $1,069.21 44

Payment records · PY2024 (44)

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
Abbott Laboratories $20.02 02/14/2024 Food and Beverage Undisputed 01/23/2026 1125060167 CMS
Abbott Laboratories $23.23 02/19/2024 Food and Beverage Undisputed 01/23/2026 1125060169 CMS
Abbott Laboratories $17.49 03/29/2024 Food and Beverage Undisputed 01/23/2026 1125060171 CMS
ABBVIE INC. $34.90 01/29/2024 Food and Beverage Undisputed 01/23/2026 1106395275 CMS
ABBVIE INC. $34.46 04/05/2024 Food and Beverage Undisputed 01/23/2026 1106395277 CMS
ABBVIE INC. $21.23 06/14/2024 Food and Beverage Undisputed 01/23/2026 1106395279 CMS
ABBVIE INC. $28.17 06/20/2024 Food and Beverage Undisputed 01/23/2026 1106395281 CMS
ABBVIE INC. $21.40 07/12/2024 Food and Beverage Undisputed 01/23/2026 1106395283 CMS
ABBVIE INC. $34.61 08/29/2024 Food and Beverage Undisputed 01/23/2026 1106395285 CMS
ABBVIE INC. $26.71 11/21/2024 Food and Beverage Undisputed 01/23/2026 1106395287 CMS
BIOTRONIK NRO, Inc. $22.23 01/12/2024 Food and Beverage Undisputed 01/23/2026 1153872188 CMS
BIOTRONIK NRO, Inc. $19.31 02/02/2024 Food and Beverage Undisputed 01/23/2026 1153872184 CMS
BIOTRONIK NRO, Inc. $22.39 02/15/2024 Food and Beverage Undisputed 01/23/2026 1153872092 CMS
BIOTRONIK NRO, Inc. $85.36 02/17/2024 Food and Beverage Undisputed 01/23/2026 1153872186 CMS
BIOTRONIK NRO, Inc. $7.10 03/22/2024 Food and Beverage Undisputed 01/23/2026 1153872264 CMS
BIOTRONIK NRO, Inc. $9.51 03/22/2024 Food and Beverage Undisputed 01/23/2026 1153872266 CMS
BIOTRONIK NRO, Inc. $11.62 03/22/2024 Food and Beverage Undisputed 01/23/2026 1153872268 CMS
BIOTRONIK NRO, Inc. $8.43 04/22/2024 Food and Beverage Undisputed 01/23/2026 1153872106 CMS
BIOTRONIK NRO, Inc. $17.40 04/22/2024 Food and Beverage Undisputed 01/23/2026 1153872108 CMS
BIOTRONIK NRO, Inc. $24.47 04/29/2024 Food and Beverage Undisputed 01/23/2026 1153872192 CMS
BIOTRONIK NRO, Inc. $23.62 05/01/2024 Food and Beverage Undisputed 01/23/2026 1153872202 CMS
BIOTRONIK NRO, Inc. $23.39 05/08/2024 Food and Beverage Undisputed 01/23/2026 1153872190 CMS
BIOTRONIK NRO, Inc. $18.06 05/14/2024 Food and Beverage Undisputed 01/23/2026 1153872198 CMS
BIOTRONIK NRO, Inc. $22.46 05/29/2024 Food and Beverage Undisputed 01/23/2026 1153872120 CMS
BIOTRONIK NRO, Inc. $16.96 06/05/2024 Food and Beverage Undisputed 01/23/2026 1153872178 CMS
BIOTRONIK NRO, Inc. $23.34 06/12/2024 Food and Beverage Undisputed 01/23/2026 1153872194 CMS
BIOTRONIK NRO, Inc. $15.49 06/17/2024 Food and Beverage Undisputed 01/23/2026 1153872196 CMS
BIOTRONIK NRO, Inc. $8.97 06/24/2024 Food and Beverage Undisputed 01/23/2026 1153872122 CMS
BIOTRONIK NRO, Inc. $14.10 06/24/2024 Food and Beverage Undisputed 01/23/2026 1153872174 CMS
BIOTRONIK NRO, Inc. $16.29 07/03/2024 Food and Beverage Undisputed 01/23/2026 1153872200 CMS
BIOTRONIK NRO, Inc. $16.45 07/22/2024 Food and Beverage Undisputed 01/23/2026 1153872180 CMS
BIOTRONIK NRO, Inc. $18.36 07/31/2024 Food and Beverage Undisputed 01/23/2026 1153872182 CMS
BIOTRONIK NRO, Inc. $18.02 08/19/2024 Food and Beverage Undisputed 01/23/2026 1153872240 CMS
BIOTRONIK NRO, Inc. $13.58 08/28/2024 Food and Beverage Undisputed 01/23/2026 1153872228 CMS
BIOTRONIK NRO, Inc. $8.15 10/25/2024 Food and Beverage Undisputed 01/23/2026 1153872244 CMS
BIOTRONIK NRO, Inc. $16.37 11/06/2024 Food and Beverage Undisputed 01/23/2026 1153872226 CMS
BIOTRONIK NRO, Inc. $20.47 12/11/2024 Food and Beverage Undisputed 01/23/2026 1153872232 CMS
BIOTRONIK NRO, Inc. $104.15 12/19/2024 Food and Beverage Undisputed 01/23/2026 1153872234 CMS
BIOTRONIK NRO, Inc. $14.87 12/30/2024 Food and Beverage Undisputed 01/23/2026 1153872242 CMS
Medtronic, Inc. $64.93 04/15/2024 Food and Beverage Undisputed 01/23/2026 1119314242 CMS
Merck Sharp & Dohme LLC $23.07 07/10/2024 Food and Beverage Undisputed 01/23/2026 1141620856 CMS
Nalu Medical, Inc. $17.46 03/13/2024 Food and Beverage Undisputed 01/23/2026 1134000818 CMS
Pacira Pharmaceuticals Incorporated $27.72 03/26/2024 Food and Beverage Undisputed 01/23/2026 1151260476 CMS
SI-BONE, INC. $32.89 04/30/2024 Food and Beverage Undisputed 01/23/2026 1120066613 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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