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

CLARA S CHAN

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1952338592
CMS profile
88777
Location
SILVER SPRING, MD

General Payments · PY2018–2024

$15,288.55

  • Reported across 310 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,135.21

32 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 $735.21 31
Consulting Fee $400.00 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $3,540.66 58
PY2019 $7,013.88 60
PY2020 $529.91 28
PY2021 $1,042.40 49
PY2022 $1,054.03 47
PY2023 $972.46 36
PY2024 $1,135.21 32

Payment records · PY2024 (32)

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. $25.93 03/28/2024 Food and Beverage Undisputed 01/23/2026 1103437230 CMS
ABBVIE INC. $28.50 05/23/2024 Food and Beverage Undisputed 01/23/2026 1103437232 CMS
ABBVIE INC. $22.17 06/03/2024 Food and Beverage Undisputed 01/23/2026 1103437234 CMS
ABBVIE INC. $16.34 10/11/2024 Food and Beverage Undisputed 01/23/2026 1103437236 CMS
Alexion Pharmaceuticals, Inc. $26.89 03/18/2024 Food and Beverage Undisputed 01/23/2026 1093986986 CMS
Alexion Pharmaceuticals, Inc. $20.63 03/21/2024 Food and Beverage Undisputed 01/23/2026 1094049120 CMS
Alexion Pharmaceuticals, Inc. $23.79 05/07/2024 Food and Beverage Undisputed 01/23/2026 1094008018 CMS
Alexion Pharmaceuticals, Inc. $27.03 08/15/2024 Food and Beverage Undisputed 01/23/2026 1093882498 CMS
Alexion Pharmaceuticals, Inc. $22.11 09/30/2024 Food and Beverage Undisputed 01/23/2026 1093997798 CMS
Alexion Pharmaceuticals, Inc. $34.14 12/03/2024 Food and Beverage Undisputed 01/23/2026 1093881005 CMS
AstraZeneca Pharmaceuticals LP $17.46 02/13/2024 Food and Beverage Undisputed 01/23/2026 1104748747 CMS
AstraZeneca Pharmaceuticals LP $400.00 02/19/2024 Consulting Fee Undisputed 01/23/2026 1104596148 CMS
AstraZeneca Pharmaceuticals LP $23.49 06/06/2024 Food and Beverage Undisputed 01/23/2026 1104457478 CMS
AstraZeneca Pharmaceuticals LP $29.29 09/26/2024 Food and Beverage Undisputed 01/23/2026 1104304514 CMS
BeiGene USA, Inc. $24.49 02/26/2024 Food and Beverage Undisputed 01/23/2026 1120861025 CMS
Celgene Corporation $14.11 03/12/2024 Food and Beverage Undisputed 01/23/2026 1101148963 CMS
Incyte Corporation $22.69 10/29/2024 Food and Beverage Undisputed 01/23/2026 1141171795 CMS
Janssen Biotech, Inc. $18.28 06/17/2024 Food and Beverage Undisputed 01/23/2026 1078730705 CMS
Karyopharm Therapeutics Inc. $20.78 04/29/2024 Food and Beverage Undisputed 01/23/2026 1145528576 CMS
Karyopharm Therapeutics Inc. $21.82 08/22/2024 Food and Beverage Undisputed 01/23/2026 1145528578 CMS
Karyopharm Therapeutics Inc. $32.16 11/07/2024 Food and Beverage Undisputed 01/23/2026 1145528580 CMS
Lilly USA, LLC $26.60 05/06/2024 Food and Beverage Undisputed 01/23/2026 1136102774 CMS
Lilly USA, LLC $24.21 05/16/2024 Food and Beverage Undisputed 01/23/2026 1136104366 CMS
Novartis Pharmaceuticals Corporation $23.96 03/14/2024 Food and Beverage Undisputed 01/23/2026 1086766537 CMS
Novartis Pharmaceuticals Corporation $30.37 05/09/2024 Food and Beverage Undisputed 01/23/2026 1086766543 CMS
Novartis Pharmaceuticals Corporation $18.62 05/30/2024 Food and Beverage Undisputed 01/23/2026 1086766545 CMS
Novartis Pharmaceuticals Corporation $28.32 07/11/2024 Food and Beverage Undisputed 01/23/2026 1086766547 CMS
Novartis Pharmaceuticals Corporation $25.00 10/17/2024 Food and Beverage Undisputed 01/23/2026 1086766551 CMS
Novartis Pharmaceuticals Corporation $29.77 11/14/2024 Food and Beverage Undisputed 01/23/2026 1086766553 CMS
PFIZER INC. $21.28 02/05/2024 Food and Beverage Undisputed 01/23/2026 1131730107 CMS
PFIZER INC. $16.89 07/25/2024 Food and Beverage Undisputed 01/23/2026 1131764868 CMS
PUMA BIOTECHNOLOGY, INC. $18.09 08/09/2024 Food and Beverage Undisputed 01/23/2026 1113856970 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

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.