Covered recipient · General Payments record

LEE T CHAN

Allopathic & Osteopathic Physicians Internal Medicine

NPI: 1992728414
CMS profile: 271650
Location: SAN FRANCISCO, CA

General Payments · PY2018–2024

$19,814.39

Reported across 1,024 records
CMS publication 2026-01-23

Latest program year · PY2024

$3,105.43

144 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 payment	Amount	Records
Food and Beverage	$3,090.91	143
Education	$14.52	1

By paying entity

PY2024 · sorted by reported total

Paying entity	Amount	Records
Lilly USA, LLC	$364.74	15
Bayer HealthCare Pharmaceuticals Inc.	$331.39	14
PFIZER INC.	$328.56	15
Novo Nordisk AS	$273.51	15
Radius Health, Inc.	$255.04	10
ABBVIE INC.	$233.77	10
Amgen Inc.	$230.55	12
Boehringer Ingelheim Pharmaceuticals, Inc.	$208.34	12
Acerta Pharma LLC	$156.31	8
GlaxoSmithKline, LLC.	$140.69	5
Gilead Sciences, Inc.	$134.63	6
Merck Sharp & Dohme Corporation	$125.32	5
Janssen Biotech, Inc.	$102.20	5
Janssen Pharmaceuticals, Inc	$69.95	5
IRONWOOD PHARMACEUTICALS, INC	$64.40	3
Exact Sciences Corporation	$28.93	1
Neurocrine BioSciences, Inc.	$21.83	1
Esperion Therapeutics, Inc.	$21.13	1
Kowa Pharmaceuticals America, Inc.	$14.14	1

By program year

All program years on this page · sorted by year

Program year	Amount	Records
PY2018	$2,388.85	138
PY2019	$1,866.80	106
PY2020	$2,521.65	127
PY2021	$3,407.35	168
PY2022	$3,393.45	186
PY2023	$3,130.86	155
PY2024	$3,105.43	144

Payment records · PY2024 (144)

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

Program year 2024 2018 2019 2020 2021 2022 2023 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.	$24.42	01/03/2024	Food and Beverage	Undisputed	01/23/2026	1103437960	CMS
ABBVIE INC.	$20.45	01/30/2024	Food and Beverage	Undisputed	01/23/2026	1103437962	CMS
ABBVIE INC.	$19.87	02/22/2024	Food and Beverage	Undisputed	01/23/2026	1103437964	CMS
ABBVIE INC.	$27.88	02/27/2024	Food and Beverage	Undisputed	01/23/2026	1103437966	CMS
ABBVIE INC.	$31.33	03/30/2024	Food and Beverage	Undisputed	01/23/2026	1103437968	CMS
ABBVIE INC.	$18.22	04/15/2024	Food and Beverage	Undisputed	01/23/2026	1103437970	CMS
ABBVIE INC.	$21.32	05/13/2024	Food and Beverage	Undisputed	01/23/2026	1103437972	CMS
ABBVIE INC.	$24.98	05/23/2024	Food and Beverage	Undisputed	01/23/2026	1103437974	CMS
ABBVIE INC.	$18.03	07/08/2024	Food and Beverage	Undisputed	01/23/2026	1103437976	CMS
ABBVIE INC.	$27.27	07/12/2024	Food and Beverage	Undisputed	01/23/2026	1103437978	CMS
Amgen Inc.	$14.43	02/07/2024	Food and Beverage	Undisputed	01/23/2026	1117221353	CMS
Amgen Inc.	$20.23	03/12/2024	Food and Beverage	Undisputed	01/23/2026	1117221351	CMS
Amgen Inc.	$21.59	03/23/2024	Food and Beverage	Undisputed	01/23/2026	1111545497	CMS
Amgen Inc.	$21.70	05/22/2024	Food and Beverage	Undisputed	01/23/2026	1117221355	CMS
Amgen Inc.	$7.12	06/06/2024	Food and Beverage	Undisputed	01/23/2026	1117221357	CMS
Amgen Inc.	$24.64	06/25/2024	Food and Beverage	Undisputed	01/23/2026	1117221359	CMS
Amgen Inc.	$10.53	07/08/2024	Food and Beverage	Undisputed	01/23/2026	1117221361	CMS
Amgen Inc.	$21.15	08/09/2024	Food and Beverage	Undisputed	01/23/2026	1117221363	CMS
Amgen Inc.	$23.75	08/13/2024	Food and Beverage	Undisputed	01/23/2026	1111545495	CMS
Amgen Inc.	$20.54	09/11/2024	Food and Beverage	Undisputed	01/23/2026	1117221365	CMS
Amgen Inc.	$23.42	10/24/2024	Food and Beverage	Undisputed	01/23/2026	1117221367	CMS
Amgen Inc.	$21.45	11/21/2024	Food and Beverage	Undisputed	01/23/2026	1117221369	CMS
AstraZeneca Pharmaceuticals LP	$20.56	01/26/2024	Food and Beverage	Undisputed	01/23/2026	1104351028	CMS
AstraZeneca Pharmaceuticals LP	$17.68	02/14/2024	Food and Beverage	Undisputed	01/23/2026	1104388939	CMS
AstraZeneca Pharmaceuticals LP	$22.74	03/14/2024	Food and Beverage	Undisputed	01/23/2026	1104741593	CMS
AstraZeneca Pharmaceuticals LP	$14.32	05/17/2024	Food and Beverage	Undisputed	01/23/2026	1104773492	CMS
AstraZeneca Pharmaceuticals LP	$16.77	06/12/2024	Food and Beverage	Undisputed	01/23/2026	1105784200	CMS
AstraZeneca Pharmaceuticals LP	$21.09	07/30/2024	Food and Beverage	Undisputed	01/23/2026	1105868621	CMS
AstraZeneca Pharmaceuticals LP	$22.98	08/14/2024	Food and Beverage	Undisputed	01/23/2026	1104482566	CMS
AstraZeneca Pharmaceuticals LP	$20.17	11/22/2024	Food and Beverage	Undisputed	01/23/2026	1104205781	CMS
Bayer Healthcare Pharmaceuticals Inc.	$27.84	02/21/2024	Food and Beverage	Undisputed	01/23/2026	1086234257	CMS
Bayer Healthcare Pharmaceuticals Inc.	$24.96	03/08/2024	Food and Beverage	Undisputed	01/23/2026	1086195196	CMS
Bayer Healthcare Pharmaceuticals Inc.	$27.90	04/10/2024	Food and Beverage	Undisputed	01/23/2026	1086108932	CMS
Bayer Healthcare Pharmaceuticals Inc.	$25.28	04/16/2024	Food and Beverage	Undisputed	01/23/2026	1086229806	CMS
Bayer Healthcare Pharmaceuticals Inc.	$3.38	04/17/2024	Food and Beverage	Undisputed	01/23/2026	1086089221	CMS
Bayer Healthcare Pharmaceuticals Inc.	$29.10	05/02/2024	Food and Beverage	Undisputed	01/23/2026	1086261386	CMS
Bayer Healthcare Pharmaceuticals Inc.	$25.35	05/15/2024	Food and Beverage	Undisputed	01/23/2026	1086205777	CMS
Bayer Healthcare Pharmaceuticals Inc.	$26.74	06/27/2024	Food and Beverage	Undisputed	01/23/2026	1086137209	CMS
Bayer Healthcare Pharmaceuticals Inc.	$25.24	07/18/2024	Food and Beverage	Undisputed	01/23/2026	1086161774	CMS
Bayer Healthcare Pharmaceuticals Inc.	$29.46	08/01/2024	Food and Beverage	Undisputed	01/23/2026	1086208151	CMS
Bayer Healthcare Pharmaceuticals Inc.	$22.91	10/11/2024	Food and Beverage	Undisputed	01/23/2026	1086169528	CMS
Bayer Healthcare Pharmaceuticals Inc.	$2.47	11/08/2024	Food and Beverage	Undisputed	01/23/2026	1086092421	CMS
Bayer Healthcare Pharmaceuticals Inc.	$27.49	11/08/2024	Food and Beverage	Undisputed	01/23/2026	1086132378	CMS
Bayer Healthcare Pharmaceuticals Inc.	$33.27	12/20/2024	Food and Beverage	Undisputed	01/23/2026	1086198034	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$18.00	01/12/2024	Food and Beverage	Undisputed	01/23/2026	1118265407	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$20.60	02/06/2024	Food and Beverage	Undisputed	01/23/2026	1118265423	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$18.44	03/06/2024	Food and Beverage	Undisputed	01/23/2026	1118265415	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$18.00	04/05/2024	Food and Beverage	Undisputed	01/23/2026	1118265409	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$18.14	05/29/2024	Food and Beverage	Undisputed	01/23/2026	1118265413	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$18.75	06/28/2024	Food and Beverage	Undisputed	01/23/2026	1118265421	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$18.44	07/23/2024	Food and Beverage	Undisputed	01/23/2026	1118265417	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$11.15	08/21/2024	Food and Beverage	Undisputed	01/23/2026	1118265401	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$16.33	09/20/2024	Food and Beverage	Undisputed	01/23/2026	1118265405	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$13.95	10/15/2024	Food and Beverage	Undisputed	01/23/2026	1118265403	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$18.03	11/13/2024	Food and Beverage	Undisputed	01/23/2026	1118265411	CMS
Boehringer Ingelheim Pharmaceuticals, Inc.	$18.51	12/13/2024	Food and Beverage	Undisputed	01/23/2026	1118265419	CMS
Esperion Therapeutics, Inc.	$21.13	06/21/2024	Food and Beverage	Undisputed	01/23/2026	1129430572	CMS
Exact Sciences Corporation	$28.93	08/08/2024	Food and Beverage	Undisputed	01/23/2026	1114611878	CMS
Gilead Sciences, Inc.	$18.06	01/03/2024	Food and Beverage	Undisputed	01/23/2026	1133768521	CMS
Gilead Sciences, Inc.	$22.69	03/21/2024	Food and Beverage	Undisputed	01/23/2026	1133768523	CMS
Gilead Sciences, Inc.	$21.77	05/29/2024	Food and Beverage	Undisputed	01/23/2026	1133768525	CMS
Gilead Sciences, Inc.	$27.20	07/19/2024	Food and Beverage	Undisputed	01/23/2026	1133768527	CMS
Gilead Sciences, Inc.	$19.92	08/16/2024	Food and Beverage	Undisputed	01/23/2026	1133768529	CMS
Gilead Sciences, Inc.	$24.99	10/17/2024	Food and Beverage	Undisputed	01/23/2026	1133768531	CMS
GlaxoSmithKline, LLC.	$22.37	02/08/2024	Food and Beverage	Undisputed	01/23/2026	1116382282	CMS
GlaxoSmithKline, LLC.	$30.99	03/28/2024	Food and Beverage	Undisputed	01/23/2026	1116480291	CMS
GlaxoSmithKline, LLC.	$28.45	04/25/2024	Food and Beverage	Undisputed	01/23/2026	1116584175	CMS
GlaxoSmithKline, LLC.	$29.70	06/14/2024	Food and Beverage	Undisputed	01/23/2026	1116404433	CMS
GlaxoSmithKline, LLC.	$29.18	09/12/2024	Food and Beverage	Undisputed	01/23/2026	1116534858	CMS
IRONWOOD PHARMACEUTICALS, INC	$26.01	02/21/2024	Food and Beverage	Undisputed	01/23/2026	1153738343	CMS
IRONWOOD PHARMACEUTICALS, INC	$19.62	08/15/2024	Food and Beverage	Undisputed	01/23/2026	1153738347	CMS
IRONWOOD PHARMACEUTICALS, INC	$18.77	10/16/2024	Food and Beverage	Undisputed	01/23/2026	1153729380	CMS
Janssen Biotech, Inc.	$12.89	01/03/2024	Food and Beverage	Undisputed	01/23/2026	1078332753	CMS
Janssen Biotech, Inc.	$23.38	01/18/2024	Food and Beverage	Undisputed	01/23/2026	1078330508	CMS
Janssen Biotech, Inc.	$14.60	02/13/2024	Food and Beverage	Undisputed	01/23/2026	1078331498	CMS
Janssen Biotech, Inc.	$16.01	03/20/2024	Food and Beverage	Undisputed	01/23/2026	1078332176	CMS
Janssen Biotech, Inc.	$35.32	10/07/2024	Food and Beverage	Undisputed	01/23/2026	1078330931	CMS
Janssen Pharmaceuticals, Inc	$19.98	03/08/2024	Food and Beverage	Undisputed	01/23/2026	1077940164	CMS
Janssen Pharmaceuticals, Inc	$17.49	05/31/2024	Food and Beverage	Undisputed	01/23/2026	1077939972	CMS
Janssen Pharmaceuticals, Inc	$7.22	07/12/2024	Food and Beverage	Undisputed	01/23/2026	1077940052	CMS
Janssen Pharmaceuticals, Inc	$17.11	07/25/2024	Food and Beverage	Undisputed	01/23/2026	1077939886	CMS
Janssen Pharmaceuticals, Inc	$8.15	09/13/2024	Food and Beverage	Undisputed	01/23/2026	1077940056	CMS
Kowa Pharmaceuticals America, Inc.	$14.14	10/09/2024	Food and Beverage	Undisputed	01/23/2026	1113464879	CMS
Lilly USA, LLC	$29.31	02/05/2024	Food and Beverage	Undisputed	01/23/2026	1135122413	CMS
Lilly USA, LLC	$24.55	02/28/2024	Food and Beverage	Undisputed	01/23/2026	1135127692	CMS
Lilly USA, LLC	$22.98	03/14/2024	Food and Beverage	Undisputed	01/23/2026	1135150190	CMS
Lilly USA, LLC	$26.22	03/19/2024	Food and Beverage	Undisputed	01/23/2026	1135130752	CMS
Lilly USA, LLC	$19.93	04/11/2024	Food and Beverage	Undisputed	01/23/2026	1135137280	CMS
Lilly USA, LLC	$25.47	04/30/2024	Food and Beverage	Undisputed	01/23/2026	1135086889	CMS
Lilly USA, LLC	$31.84	05/20/2024	Food and Beverage	Undisputed	01/23/2026	1135130754	CMS
Lilly USA, LLC	$31.74	05/30/2024	Food and Beverage	Undisputed	01/23/2026	1135151166	CMS
Lilly USA, LLC	$23.15	06/13/2024	Food and Beverage	Undisputed	01/23/2026	1135127694	CMS
Lilly USA, LLC	$25.08	07/16/2024	Food and Beverage	Undisputed	01/23/2026	1135086891	CMS
Lilly USA, LLC	$31.24	08/01/2024	Food and Beverage	Undisputed	01/23/2026	1135147958	CMS
Lilly USA, LLC	$26.67	08/12/2024	Food and Beverage	Undisputed	01/23/2026	1135130756	CMS
Lilly USA, LLC	$19.49	08/19/2024	Food and Beverage	Undisputed	01/23/2026	1135122415	CMS
Lilly USA, LLC	$23.83	08/19/2024	Food and Beverage	Undisputed	01/23/2026	1135147956	CMS
Lilly USA, LLC	$3.24	08/19/2024	Food and Beverage	Undisputed	01/23/2026	1135151164	CMS
Merck Sharp & Dohme LLC	$24.90	02/13/2024	Food and Beverage	Undisputed	01/23/2026	1141939775	CMS
Merck Sharp & Dohme LLC	$24.90	04/19/2024	Food and Beverage	Undisputed	01/23/2026	1141894799	CMS
Merck Sharp & Dohme LLC	$24.90	07/11/2024	Food and Beverage	Undisputed	01/23/2026	1141773002	CMS
Merck Sharp & Dohme LLC	$26.03	09/24/2024	Food and Beverage	Undisputed	01/23/2026	1141773004	CMS
Merck Sharp & Dohme LLC	$24.59	11/05/2024	Food and Beverage	Undisputed	01/23/2026	1141962038	CMS
Neurocrine Biosciences, Inc.	$21.83	12/12/2024	Food and Beverage	Undisputed	01/23/2026	1150852004	CMS
Novo Nordisk Inc	$2.03	01/18/2024	Food and Beverage	Undisputed	01/23/2026	1096595546	CMS
Novo Nordisk Inc	$20.36	01/18/2024	Food and Beverage	Undisputed	01/23/2026	1097693327	CMS
Novo Nordisk Inc	$24.79	03/15/2024	Food and Beverage	Undisputed	01/23/2026	1097719173	CMS
Novo Nordisk Inc	$17.03	03/27/2024	Food and Beverage	Undisputed	01/23/2026	1096932237	CMS
Novo Nordisk Inc	$21.35	05/11/2024	Food and Beverage	Undisputed	01/23/2026	1096590371	CMS
Novo Nordisk Inc	$12.08	06/07/2024	Food and Beverage	Undisputed	01/23/2026	1096567622	CMS
Novo Nordisk Inc	$6.20	06/21/2024	Food and Beverage	Undisputed	01/23/2026	1096918698	CMS
Novo Nordisk Inc	$23.49	06/25/2024	Food and Beverage	Undisputed	01/23/2026	1097310295	CMS
Novo Nordisk Inc	$14.96	07/27/2024	Food and Beverage	Undisputed	01/23/2026	1097816222	CMS
Novo Nordisk Inc	$22.62	08/02/2024	Food and Beverage	Undisputed	01/23/2026	1097777924	CMS
Novo Nordisk Inc	$19.85	09/20/2024	Food and Beverage	Undisputed	01/23/2026	1097527481	CMS
Novo Nordisk Inc	$21.31	09/30/2024	Food and Beverage	Undisputed	01/23/2026	1096744182	CMS
Novo Nordisk Inc	$23.65	10/21/2024	Food and Beverage	Undisputed	01/23/2026	1097221854	CMS
Novo Nordisk Inc	$21.30	11/15/2024	Food and Beverage	Undisputed	01/23/2026	1097067887	CMS
Novo Nordisk Inc	$22.49	12/03/2024	Food and Beverage	Undisputed	01/23/2026	1097174851	CMS
PFIZER INC.	$21.72	01/11/2024	Food and Beverage	Undisputed	01/23/2026	1131724074	CMS
PFIZER INC.	$24.00	01/25/2024	Food and Beverage	Undisputed	01/23/2026	1131727871	CMS
PFIZER INC.	$35.57	02/24/2024	Food and Beverage	Undisputed	01/23/2026	1131721514	CMS
PFIZER INC.	$19.34	03/12/2024	Food and Beverage	Undisputed	01/23/2026	1132032851	CMS
PFIZER INC.	$2.50	03/21/2024	Food and Beverage	Undisputed	01/23/2026	1132032849	CMS
PFIZER INC.	$21.42	04/15/2024	Food and Beverage	Undisputed	01/23/2026	1132032853	CMS
PFIZER INC.	$18.78	05/07/2024	Food and Beverage	Undisputed	01/23/2026	1131732348	CMS
PFIZER INC.	$36.58	05/17/2024	Food and Beverage	Undisputed	01/23/2026	1131727987	CMS
PFIZER INC.	$20.76	07/09/2024	Food and Beverage	Undisputed	01/23/2026	1131759304	CMS
PFIZER INC.	$27.23	08/29/2024	Food and Beverage	Undisputed	01/23/2026	1131850917	CMS
PFIZER INC.	$25.00	10/01/2024	Food and Beverage	Undisputed	01/23/2026	1130887346	CMS
PFIZER INC.	$26.65	10/29/2024	Food and Beverage	Undisputed	01/23/2026	1132074175	CMS
PFIZER INC.	$2.78	10/29/2024	Food and Beverage	Undisputed	01/23/2026	1132092612	CMS
PFIZER INC.	$21.95	11/04/2024	Food and Beverage	Undisputed	01/23/2026	1131282260	CMS
PFIZER INC.	$24.28	12/02/2024	Food and Beverage	Undisputed	01/23/2026	1131140183	CMS
Radius Health, Inc.	$22.71	01/23/2024	Food and Beverage	Undisputed	01/23/2026	1089968828	CMS
Radius Health, Inc.	$27.20	02/02/2024	Food and Beverage	Undisputed	01/23/2026	1089968840	CMS
Radius Health, Inc.	$21.49	03/04/2024	Food and Beverage	Undisputed	01/23/2026	1089968834	CMS
Radius Health, Inc.	$26.71	06/19/2024	Food and Beverage	Undisputed	01/23/2026	1089968858	CMS
Radius Health, Inc.	$27.14	07/15/2024	Food and Beverage	Undisputed	01/23/2026	1089968864	CMS
Radius Health, Inc.	$29.10	08/22/2024	Food and Beverage	Undisputed	01/23/2026	1089968869	CMS
Radius Health, Inc.	$14.52	08/22/2024	Education	Undisputed	01/23/2026	1089968895	CMS
Radius Health, Inc.	$30.22	09/27/2024	Food and Beverage	Undisputed	01/23/2026	1089968875	CMS
Radius Health, Inc.	$29.15	11/25/2024	Food and Beverage	Undisputed	01/23/2026	1089968881	CMS
Radius Health, Inc.	$26.80	12/18/2024	Food and Beverage	Undisputed	01/23/2026	1089968889	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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