Covered recipient · General Payments record

MICHAEL S CHUNG

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI: 1053574608
CMS profile: 319807
Location: TORRANCE, CA

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 · PY2023 · Entire year

$5,327.01

232 records · 0 disputed

Summary and payment records

CMS publication 2026-06-30

Read the payment records

Other CMS categories — not shown on this page

Research Payments

CMS also publishes Research Payments as a separate dataset. This site does not currently mirror it, and no research figure is shown on this page. This provider appears in that dataset.

“If you are a physician who served as a principal investigator on a research study, you may see the payments associated with that research study listed under your name. This does not necessarily mean the payments are attributed to you. The dollar amount of the record corresponds to the total payment; the amounts are not attributed to each individual on the record.”
— Centers for Medicare & Medicaid Services, Open Payments Frequently Asked Questions, FAQ #12224

These records are published by CMS and can be viewed on this provider’s official CMS record. View this provider on CMS Open Payments ↗

“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 July 26, 2026. 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

PY2023 · entire year · sorted by reported total

Nature of payment	Amount	Records
Food and Beverage	$5,160.35	230
Long term medical supply or device loan	$166.66	2

By paying entity

PY2023 · entire year · sorted by reported total

Paying entity	Amount	Records
NOVARTIS PHARMACEUTICALS CORPORATION	$597.37	20
AstraZeneca Pharmaceuticals LP	$380.79	18
Celgene Corporation	$322.73	15
E.R. Squibb & Sons, L.L.C.	$267.63	12
Bayer Healthcare Pharmaceuticals Inc.	$261.14	12
Eisai Inc.	$221.02	15
PFIZER INC.	$202.48	11
Merck Sharp & Dohme LLC	$198.52	8
GENZYME CORPORATION	$179.25	6
Incyte Corporation	$179.19	8
Gilead Sciences, Inc.	$173.56	8
Seagen Inc.	$172.59	6
Janssen Biotech, Inc.	$161.57	7
Genentech USA, Inc.	$148.87	8
Takeda Pharmaceuticals U.S.A., Inc.	$138.14	6
Sirtex Medical Inc	$137.66	1
Daiichi Sankyo Inc.	$111.43	5
Pharmacyclics LLC, An AbbVie Company	$90.47	4
Genmab U.S., Inc.	$73.72	3
TAIHO ONCOLOGY, INC.	$73.59	3
BeiGene USA, Inc.	$72.24	3
Astellas Pharma US Inc	$70.26	3
Lilly USA, LLC	$65.51	4
Ipsen Biopharmaceuticals, Inc	$62.72	3
Stemline Therapeutics Inc.	$60.19	2
GlaxoSmithKline, LLC.	$56.81	3
CTI BioPharma Corp.	$53.52	2
Exelixis Inc.	$52.60	2
Karyopharm Therapeutics Inc.	$51.74	2
ADC Therapeutics America, Inc.	$50.68	3
Rigel Pharmaceuticals, Inc.	$50.24	3
Amgen Inc.	$45.51	2
SOBI, INC	$44.11	2
Sumitomo Pharma America, Inc.	$42.86	2
Alexion Pharmaceuticals, Inc.	$40.84	2
Blueprint Medicines Corporation	$38.06	1
Regeneron Healthcare Solutions, Inc.	$36.58	1
ARRAY BIOPHARMA INC	$33.80	3
AVEO Pharmaceuticals, Inc.	$29.27	1
Progenics Pharmaceuticals, Inc.	$28.03	1
EMD Serono, Inc.	$26.94	1
Acrotech Biopharma Inc.	$26.87	1
Agios Pharmaceuticals, Inc.	$24.90	1
G1 Therapeutics, Inc.	$24.15	1
Kyowa Kirin, Inc.	$23.80	1
MorphoSys, US Inc.	$23.69	1
Adaptive Biotechnologies Corporation	$21.10	1
ImmunoGen, Inc.	$20.52	1
PharmaEssentia USA Corporation	$20.36	1
Emmaus Medical, Inc.	$19.87	1
Boston Scientific Corporation	$17.52	1

Page 2 of 5; records 51–100 of 232 matching records. This page contains 50 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

MICHAEL S CHUNG

NPI 1053574608 · CMS profile ID 319807

Allopathic & Osteopathic Physicians / Internal Medicine / Hematology & Oncology

TORRANCE, CA

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.

General Payments, PY2023; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types

Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00

Page 2 of 5; records 51–100 of 232 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/provider/npi-1053574608?year=2023&recipient=provider&page=2#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/fb3a65aa-c901-4a38-a813-b04b00dfa2a9

Cite these filtered records

The citation includes this program year, filters, data edition, and page of results.

Plain: MICHAEL S CHUNG, NPI 1053574608, CMS profile ID 319807. General Payments, PY2023; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 2 of 5; records 51–100 of 232 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/provider/npi-1053574608?year=2023&recipient=provider&page=2#records-h. Source: https://openpaymentsdata.cms.gov/dataset/fb3a65aa-c901-4a38-a813-b04b00dfa2a9.
APA 7: IndustryPayments. (2026). MICHAEL S CHUNG, NPI 1053574608, CMS profile ID 319807. General Payments, PY2023; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 2 of 5; records 51–100 of 232 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/provider/npi-1053574608?year=2023&recipient=provider&page=2#records-h. Source: https://openpaymentsdata.cms.gov/dataset/fb3a65aa-c901-4a38-a813-b04b00dfa2a9.
Bluebook: MICHAEL S CHUNG, NPI 1053574608, CMS profile ID 319807, IndustryPayments, General Payments, PY2023; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types (Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00). Page 2 of 5; records 51–100 of 232 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/fb3a65aa-c901-4a38-a813-b04b00dfa2a9. https://industrypayments.org/provider/npi-1053574608?year=2023&recipient=provider&page=2#records-h.

Centers for Medicare & Medicaid Services, Open Payments

Citation formats are provided for reference; check the requirements of your publication.

General Payments only. Research Payments and Ownership/Investment Interests are separate datasets and are not included.

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

Centers for Medicare & Medicaid Services, Open Payments

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.

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.

IndustryPayments.org is not a consumer reporting agency as defined by the Fair Credit Reporting Act. Do not use this site to determine any person's eligibility for employment, credentialing, insurance, credit, housing, or any other purpose covered by the FCRA.

Methodology: https://industrypayments.org/methodology

Payment records · PY2023

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

Reporting company Nature of payment

General Payments · PY2023 · Physicians and non-physician practitioners · CMS publication 2026-06-30

232 matching records · $5,327.01 reported total · 0 disputed

Nature of payment: All payment types

Records imported here November 5, 2026 (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 232 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 51–100 of 232.

Paying entity	Amount	Date	Nature of payment	Dispute status	Publication flags	Published	Record ID	Source
Novartis Pharmaceuticals Corporation	$34.59	10/06/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	991504653	CMS
Merck Sharp & Dohme LLC	$27.76	10/05/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1048676865	CMS
Alexion Pharmaceuticals, Inc.	$19.76	10/04/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1017013135	CMS
AstraZeneca Pharmaceuticals LP	$13.65	10/04/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1011835867	CMS
Eisai Inc.	$0.82	10/03/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1023323367	CMS
Eisai Inc.	$2.05	10/03/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1023323369	CMS
Eisai Inc.	$12.33	10/03/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1023323371	CMS
Celgene Corporation	$26.13	09/29/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1015968409	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$19.25	09/27/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1055369407	CMS
MorphoSys, US Inc.	$23.69	09/26/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1060322895	CMS
Bayer Healthcare Pharmaceuticals Inc.	$21.49	09/23/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1000515017	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$32.13	09/21/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1055369405	CMS
Merck Sharp & Dohme LLC	$23.91	09/19/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1048676869	CMS
GlaxoSmithKline, LLC.	$22.63	09/18/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1002655471	CMS
Celgene Corporation	$29.74	09/15/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1015968425	CMS
Novartis Pharmaceuticals Corporation	$34.46	09/14/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	991504633	CMS
Gilead Sciences, Inc.	$28.78	09/13/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1025574519	CMS
ADC Therapeutics America, Inc.	$14.89	09/11/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1053791577	CMS
Celgene Corporation	$14.76	09/08/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1015968405	CMS
AstraZeneca Pharmaceuticals LP	$24.59	09/07/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1012051965	CMS
PFIZER INC.	$26.60	09/06/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1050697289	CMS
ADC Therapeutics America, Inc.	$15.00	09/05/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1053791557	CMS
AstraZeneca Pharmaceuticals LP	$24.27	09/05/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1014828327	CMS
Karyopharm Therapeutics Inc.	$24.58	09/02/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1056905245	CMS
EMD Serono, Inc.	$26.94	08/31/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1032322623	CMS
Gilead Sciences, Inc.	$25.28	08/30/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1025627491	CMS
Incyte Corporation	$22.95	08/29/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1044584259	CMS
Eisai Inc.	$21.39	08/28/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1023323365	CMS
Gilead Sciences, Inc.	$23.59	08/28/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1025687787	CMS
ImmunoGen, Inc.	$20.52	08/28/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1017250793	CMS
Pharmacyclics LLC, An AbbVie Company	$22.43	08/14/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	998283741	CMS
ARRAY BIOPHARMA INC	$5.14	08/12/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1050552397	CMS
Exelixis Inc.	$21.11	08/08/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1044587839	CMS
Genentech USA, Inc.	$21.24	08/08/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1040470859	CMS
Genentech USA, Inc.	$24.21	08/05/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1040470853	CMS
AstraZeneca Pharmaceuticals LP	$20.83	08/01/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1015291563	CMS
Novartis Pharmaceuticals Corporation	$34.67	07/28/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	991504625	CMS
Boston Scientific Corporation	$17.52	07/27/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1022007625	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$17.57	07/25/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1055369403	CMS
PFIZER INC.	$20.46	07/24/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1049201881	CMS
GENZYME CORPORATION	$34.86	07/21/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1050179777	CMS
Lilly USA, LLC	$17.43	07/21/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1032085929	CMS
ARRAY BIOPHARMA INC	$8.21	07/19/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1050404671	CMS
Gilead Sciences, Inc.	$12.08	07/19/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1026057183	CMS
TAIHO ONCOLOGY, INC.	$24.57	07/18/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1055233465	CMS
AstraZeneca Pharmaceuticals LP	$12.33	07/17/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1016035261	CMS
Lilly USA, LLC	$13.26	07/17/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1032085925	CMS
PFIZER INC.	$13.53	07/14/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1050707109	CMS
E.R. Squibb & Sons, L.L.C.	$31.01	07/13/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1015968365	CMS
BeiGene USA, Inc.	$22.09	07/12/2023	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	1051195311	CMS

By program year

All program years on this page · sorted by year

Program year	Amount	Records
PY2019	$2,820.41	158
PY2020	$2,281.17	121
PY2021	$3,592.86	159
PY2022	$10,525.52	275
PY2023	$5,327.01	232
PY2024	$7,116.86	324
PY2025	$8,066.82	377

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

Source files: Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
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.