Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record

Covered recipient · General Payments record

DO W CHAN

Allopathic & Osteopathic Physicians Anesthesiology Pain Medicine

NPI
1316966393
CMS profile
241231
Location
ATTLEBORO, MA

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

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General Payments · PY2019 · Entire year

$1,605.14

59 records · 0 disputed

Summary and payment records

  • CMS publication 2026-06-30
Read the payment records

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”

— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. 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.
  • Methodology & Data — sourcing, labeling, and limitations.

Provider summaries generated . CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

By nature of payment

PY2019 · entire year · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,087.55 57
Travel and Lodging $517.59 2

By paying entity

PY2019 · entire year · sorted by reported total

Payment records · PY2019

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

General Payments · PY2019 · Physicians and non-physician practitioners · CMS publication 2026-06-30

59 matching records · $1,605.14 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 59 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 1–50 of 59.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.0712/24/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026684685597 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $9.4012/24/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026684685599 CMS
PFIZER INC. $7.2212/19/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673714471 CMS
Relievant Medsystems, Inc. $17.0012/13/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026701427009 CMS
US WorldMeds, LLC $15.7412/09/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026699510777 CMS
Scilex Pharmaceuticals Inc. $13.6712/02/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026689487899 CMS
Zyla Life Sciences $23.9711/18/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026704858297 CMS
Scilex Pharmaceuticals Inc. $12.0410/07/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026689484085 CMS
BioDelivery Sciences International, Inc. $12.7210/01/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026697588153 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $19.1209/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026684685595 CMS
PFIZER INC. $3.6009/10/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673294711 CMS
FIDIA PHARMA USA INC. $17.1209/06/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026694979781 CMS
PFIZER INC. $10.4009/05/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673296473 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.9209/04/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026684685593 CMS
Nevro Corp. $30.8508/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026679597083 CMS
Lilly USA, LLC $18.5108/12/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026657795299 CMS
PFIZER INC. $6.7408/07/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673754125 CMS
Vertos Medical, Inc. $90.1708/07/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026706806595 CMS
Stimwave Technologies Incorporated $30.0307/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026707348037 CMS
PFIZER INC. $6.8607/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673632919 CMS
FIDIA PHARMA USA INC. $18.2007/22/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026694979759 CMS
FIDIA PHARMA USA INC. $11.5007/02/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026694979765 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.0607/01/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026684685591 CMS
PFIZER INC. $3.7806/27/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673632221 CMS
Scilex Pharmaceuticals Inc. $15.4806/25/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026689476965 CMS
PFIZER INC. $4.8706/04/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673632197 CMS
Boston Scientific Corporation $24.4505/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026663023573 CMS
Relievant Medsystems, Inc. $7.8305/24/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026701427007 CMS
PFIZER INC. $7.5605/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673636343 CMS
PFIZER INC. $5.4105/22/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673629813 CMS
SI-BONE, Inc. $22.5005/16/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026689395321 CMS
PFIZER INC. $2.6405/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673633947 CMS
Vertos Medical, Inc. $11.9905/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026706803707 CMS
BioDelivery Sciences International, Inc. $11.5805/13/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026697573057 CMS
Nevro Corp. $37.2305/09/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026679596915 CMS
Relievant Medsystems, Inc. $70.0005/09/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026701428757 CMS
ASSERTIO THERAPEUTICS, Inc. $12.6504/25/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026681438703 CMS
PFIZER INC. $6.2604/25/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673633297 CMS
PFIZER INC. $7.4504/12/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673632075 CMS
Relievant Medsystems, Inc. $56.9404/09/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026701427005 CMS
ARBOR PHARMACEUTICALS, INC. $21.9404/01/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026697351227 CMS
Relievant Medsystems, Inc. $31.8903/22/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026701427003 CMS
PFIZER INC. $3.4303/20/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673241273 CMS
PFIZER INC. $7.4003/20/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673630875 CMS
PFIZER INC. $3.6003/20/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673752553 CMS
Relievant Medsystems, Inc. $28.8603/19/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026701427001 CMS
Scilex Pharmaceuticals Inc. $17.4603/14/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026689465763 CMS
Indivior Inc. $12.4503/11/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026705773525 CMS
Relievant Medsystems, Inc. $447.5903/11/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026701426999 CMS
PFIZER INC. $9.0203/08/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026673631437 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $1,605.14 59
PY2020 $519.24 21
PY2021 $965.92 46
PY2022 $2,609.50 81
PY2023 $4,124.81 79
PY2024 $3,505.08 93
PY2025 $1,832.31 67

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files and profile matching
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.

Cite this record.

Plain
DO W CHAN, NPI 1316966393. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1316966393.
APA 7
IndustryPayments. (2026). DO W CHAN, NPI 1316966393 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1316966393
Bluebook
DO W CHAN, NPI 1316966393, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1316966393.

Source: Centers for Medicare & Medicaid Services, Open Payments.