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

DARRYL JACK CHOW

Allopathic & Osteopathic Physicians Physical Medicine & Rehabilitation

NPI
1902428113
CMS profile
8203118
Location
OAKLAND, CA

General Payments · PY2021–2023

$928.30

  • Reported across 13 records
  • CMS publication 2026-01-23

Latest program year · PY2023

$493.87

6 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

PY2023 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $493.87 6

By paying entity

PY2023 · sorted by reported total

Paying entityAmountRecords
Ipsen Biopharmaceuticals, Inc $131.47 2
ABBVIE INC. $124.87 1
Medtronic, Inc. $123.65 1
SI-BONE, INC. $96.09 1
Nevro Corp. $17.79 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $20.16 1
PY2022 $414.27 6
PY2023 $493.87 6

Payment records · PY2023 (6)

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

Program year 2023 20212022 Record-level detail is published for PY2023; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AbbVie Inc. $124.87 06/20/2023 Food and Beverage Undisputed 01/23/2026 996439643 CMS
Ipsen Biopharmaceuticals, Inc $107.10 01/24/2023 Food and Beverage Undisputed 01/23/2026 1045427451 CMS
Ipsen Biopharmaceuticals, Inc $24.37 05/09/2023 Food and Beverage Undisputed 01/23/2026 1045427445 CMS
Medtronic, Inc. $123.65 06/23/2023 Food and Beverage Undisputed 01/23/2026 1026410991 CMS
Nevro Corp. $17.79 01/31/2023 Food and Beverage Undisputed 01/23/2026 1051760407 CMS
SI-BONE, INC. $96.09 08/18/2023 Food and Beverage Undisputed 01/23/2026 1027742235 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
2021, 2022, 2023
Source files
Dataset page · Bulk file · PY2021 , PY2022 , PY2023
Generated from
OP_DTL_GNRL_PGYR2023_P01232026_01102026.csv

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