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

JOHN K CHAN

Allopathic & Osteopathic Physicians Obstetrics & Gynecology Gynecologic Oncology

NPI
1962596551
CMS profile
180463
Location
SAN FRANCISCO, 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

$284,297.51

181 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 . 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

By paying entity

PY2023 · entire year · sorted by reported total

Paying entityAmountRecords
GlaxoSmithKline, LLC. $104,978.12 63
AstraZeneca Pharmaceuticals LP $80,117.79 43
Eisai Inc. $47,624.97 32
Seagen Inc. $20,167.63 11
ImmunoGen, Inc. $18,425.03 14
Genmab U.S., Inc. $12,459.31 7
Myriad Genetic Laboratories, Inc. $355.74 8
Ethicon US, LLC $168.92 3

Page 2 of 4; records 51–100 of 181 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

JOHN K CHAN

NPI 1962596551 · CMS profile ID 180463

Allopathic & Osteopathic Physicians / Obstetrics & Gynecology / Gynecologic Oncology

SAN FRANCISCO, 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.

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 4; records 51–100 of 181 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/provider/npi-1962596551?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
JOHN K CHAN, NPI 1962596551, CMS profile ID 180463. 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 4; records 51–100 of 181 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/provider/npi-1962596551?year=2023&recipient=provider&page=2#records-h. Source: https://openpaymentsdata.cms.gov/dataset/fb3a65aa-c901-4a38-a813-b04b00dfa2a9.
APA 7
IndustryPayments. (2026). JOHN K CHAN, NPI 1962596551, CMS profile ID 180463. 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 4; records 51–100 of 181 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/provider/npi-1962596551?year=2023&recipient=provider&page=2#records-h. Source: https://openpaymentsdata.cms.gov/dataset/fb3a65aa-c901-4a38-a813-b04b00dfa2a9.
Bluebook
JOHN K CHAN, NPI 1962596551, CMS profile ID 180463, 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 4; records 51–100 of 181 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-1962596551?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.

Payment records · PY2023

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

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

181 matching records · $284,297.51 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 181 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 181.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Myriad Genetic Laboratories, Inc. $116.4410/04/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1059767891 CMS
AstraZeneca Pharmaceuticals LP $4,800.0010/02/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1014999955 CMS
AstraZeneca Pharmaceuticals LP $4,452.5010/01/2023 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1016185923 CMS
GlaxoSmithKline, LLC. $36.6609/29/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001415685 CMS
GlaxoSmithKline, LLC. $967.5909/29/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001416957 CMS
GlaxoSmithKline, LLC. $8.0809/28/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001415603 CMS
GlaxoSmithKline, LLC. $117.2109/28/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001415639 CMS
GlaxoSmithKline, LLC. $307.0009/28/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001416355 CMS
GlaxoSmithKline, LLC. $1,105.8309/28/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001418097 CMS
AstraZeneca Pharmaceuticals LP $5,500.0009/27/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1011584905 CMS
Ethicon US, LLC $25.4009/27/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 990858729 CMS
AstraZeneca Pharmaceuticals LP $18.1209/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1014321421 CMS
AstraZeneca Pharmaceuticals LP $75.7609/20/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1014556925 CMS
AstraZeneca Pharmaceuticals LP $2,001.4709/20/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1014826835 CMS
GlaxoSmithKline, LLC. $111.1309/19/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001416401 CMS
GlaxoSmithKline, LLC. $800.0009/18/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001418669 CMS
GlaxoSmithKline, LLC. $105.2809/14/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001419749 CMS
Eisai Inc. $77.3109/13/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1023315627 CMS
Eisai Inc. $4,890.0009/13/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1023315637 CMS
Eisai Inc. $2,037.5009/13/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1023315647 CMS
Eisai Inc. $536.3009/13/2023 Travel and Lodging No dispute reported Delay: No
Change: NEW
06/30/2026 1155795014 CMS
Eisai Inc. $18.0009/13/2023 Travel and Lodging No dispute reported Delay: No
Change: NEW
06/30/2026 1155795348 CMS
Eisai Inc. $132.0009/13/2023 Travel and Lodging No dispute reported Delay: No
Change: NEW
06/30/2026 1155795606 CMS
Eisai Inc. $227.8109/13/2023 Travel and Lodging No dispute reported Delay: No
Change: NEW
06/30/2026 1155795640 CMS
Eisai Inc. $2,445.0009/12/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1023315617 CMS
Eisai Inc. $125.0009/12/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1023315641 CMS
Eisai Inc. $2,037.5009/12/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1023315645 CMS
ImmunoGen, Inc. $72.1409/11/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1017249147 CMS
ImmunoGen, Inc. $213.5009/11/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1017249151 CMS
ImmunoGen, Inc. $383.5009/11/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1017249155 CMS
ImmunoGen, Inc. $470.6609/11/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1017249159 CMS
ImmunoGen, Inc. $5,459.0009/11/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1017249167 CMS
GlaxoSmithKline, LLC. $800.0009/08/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001415719 CMS
GlaxoSmithKline, LLC. $4,800.0009/08/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001419111 CMS
ImmunoGen, Inc. $1,259.0008/30/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1017249163 CMS
Seagen Inc. $1,530.0008/22/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 995644665 CMS
GlaxoSmithKline, LLC. $3,200.0008/11/2023 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1119247359 CMS
AstraZeneca Pharmaceuticals LP $5,500.0007/26/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1015708125 CMS
GlaxoSmithKline, LLC. $957.8407/26/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001418051 CMS
GlaxoSmithKline, LLC. $394.3807/26/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001419075 CMS
GlaxoSmithKline, LLC. $121.3807/26/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001420181 CMS
AstraZeneca Pharmaceuticals LP $685.0007/24/2023 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1016251235 CMS
AstraZeneca Pharmaceuticals LP $351.3907/20/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1011332859 CMS
AstraZeneca Pharmaceuticals LP $126.1407/20/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1011608511 CMS
AstraZeneca Pharmaceuticals LP $889.4207/20/2023 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1014699785 CMS
AstraZeneca Pharmaceuticals LP $1,350.0007/19/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1015903239 CMS
Myriad Genetic Laboratories, Inc. $18.9807/12/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1059767881 CMS
GlaxoSmithKline, LLC. $4,800.0007/06/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001416931 CMS
GlaxoSmithKline, LLC. $4,800.0007/06/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1001417429 CMS
AstraZeneca Pharmaceuticals LP $1,350.0006/27/2023 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1011671094 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $425,439.39 408
PY2020 $113,495.94 98
PY2021 $193,807.19 109
PY2022 $285,917.75 194
PY2023 $284,297.51 181
PY2024 $339,388.79 193
PY2025 $338,199.15 200

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

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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.