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

KEVIN E CHAN

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1437330081
CMS profile
247113
Location
BOSTON, MA

General Payments · PY2018

$143,301.28

  • Reported across 28 records
  • CMS publication 2026-01-23

Latest program year · PY2018

$143,301.28

28 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

PY2018 · sorted by reported total

By paying entity

PY2018 · sorted by reported total

Paying entityAmountRecords
Relypsa, Inc. $110,288.93 10
Daiichi Sankyo Inc. $18,519.46 4
Merck Sharp & Dohme Corporation $14,492.89 14

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $143,301.28 28

Payment records · PY2018 (28)

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

Program year 2018
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Daiichi Sankyo Inc. $181.25 05/06/2018 Travel and Lodging Undisputed 01/23/2026 612482495 CMS
Daiichi Sankyo Inc. $274.80 05/07/2018 Travel and Lodging Undisputed 01/23/2026 612484427 CMS
Daiichi Sankyo Inc. $9,593.41 05/07/2018 Travel and Lodging Undisputed 01/23/2026 612484511 CMS
Daiichi Sankyo Inc. $8,470.00 08/16/2018 Consulting Fee Undisputed 01/23/2026 612483995 CMS
Merck Sharp & Dohme Corporation $268.00 05/23/2018 Travel and Lodging Undisputed 01/23/2026 604802999 CMS
Merck Sharp & Dohme Corporation $10.30 05/24/2018 Food and Beverage Undisputed 01/23/2026 604802997 CMS
Merck Sharp & Dohme Corporation $268.00 05/24/2018 Travel and Lodging Undisputed 01/23/2026 604803001 CMS
Merck Sharp & Dohme Corporation $6,132.51 05/24/2018 Travel and Lodging Undisputed 01/23/2026 604803201 CMS
Merck Sharp & Dohme Corporation $67.81 05/24/2018 Travel and Lodging Undisputed 01/23/2026 604803203 CMS
Merck Sharp & Dohme Corporation $268.00 05/25/2018 Travel and Lodging Undisputed 01/23/2026 604803003 CMS
Merck Sharp & Dohme Corporation $315.51 05/25/2018 Travel and Lodging Undisputed 01/23/2026 604803005 CMS
Merck Sharp & Dohme Corporation $450.73 05/25/2018 Education Undisputed 01/23/2026 604803007 CMS
Merck Sharp & Dohme Corporation $95.66 05/25/2018 Food and Beverage Undisputed 01/23/2026 604803205 CMS
Merck Sharp & Dohme Corporation $150.00 06/04/2018 Travel and Lodging Undisputed 01/23/2026 604499759 CMS
Merck Sharp & Dohme Corporation $195.16 06/04/2018 Travel and Lodging Undisputed 01/23/2026 604499765 CMS
Merck Sharp & Dohme Corporation $6,000.00 06/04/2018 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 604499767 CMS
Merck Sharp & Dohme Corporation $202.25 07/12/2018 Travel and Lodging Undisputed 01/23/2026 604687361 CMS
Merck Sharp & Dohme Corporation $68.96 07/12/2018 Food and Beverage Undisputed 01/23/2026 604687363 CMS
Relypsa, Inc. $15,085.00 01/22/2018 Consulting Fee Undisputed 01/23/2026 591920808 CMS
Relypsa, Inc. $515.97 01/22/2018 Consulting Fee Undisputed 01/23/2026 591920817 CMS
Relypsa, Inc. $292.24 01/22/2018 Travel and Lodging Undisputed 01/23/2026 591920825 CMS
Relypsa, Inc. $124.13 01/22/2018 Food and Beverage Undisputed 01/23/2026 591920831 CMS
Relypsa, Inc. $7,228.00 03/05/2018 Consulting Fee Undisputed 01/23/2026 591920839 CMS
Relypsa, Inc. $19,845.00 03/05/2018 Consulting Fee Undisputed 01/23/2026 591920843 CMS
Relypsa, Inc. $103.59 04/01/2018 Consulting Fee Undisputed 01/23/2026 591920850 CMS
Relypsa, Inc. $20,947.50 04/06/2018 Consulting Fee Undisputed 01/23/2026 591920855 CMS
Relypsa, Inc. $15,977.50 05/25/2018 Consulting Fee Undisputed 01/23/2026 591920859 CMS
Relypsa, Inc. $30,170.00 07/30/2018 Consulting Fee Undisputed 01/23/2026 591920863 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
Source files
Dataset page · Bulk file · PY2018
Generated from
OP_DTL_GNRL_PGYR2018_P01232026_01102026.csv

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