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

SHAWN HASSLER

Allopathic & Osteopathic Physicians Internal Medicine Infectious Disease

NPI
1427122928
CMS profile
291581
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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Filter and download payment records

General Payments · PY2022 · Entire year

$54,312.10

157 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

PY2022 · entire year · sorted by reported total

By paying entity

PY2022 · entire year · sorted by reported total

Payment records · PY2022

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

General Payments · PY2022 · Physicians and non-physician practitioners · CMS publication 2026-06-30

157 matching records · $54,312.10 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 157 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 1–50 of 157.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Gilead Sciences, Inc. $1,730.0012/27/2022 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
06/30/2026929438905 CMS
ViiV Healthcare Company $3,900.0012/23/2022 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
06/30/2026944034351 CMS
Gilead Sciences, Inc. $125.0012/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929523867 CMS
ViiV Healthcare Company $486.1912/15/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034307 CMS
ViiV Healthcare Company $25.0012/15/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034381 CMS
ViiV Healthcare Company $175.6712/15/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034385 CMS
ViiV Healthcare Company $379.6012/15/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034447 CMS
ViiV Healthcare Company $166.6712/15/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034451 CMS
ViiV Healthcare Company $125.0012/15/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034539 CMS
ViiV Healthcare Company $10.0012/15/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034545 CMS
ViiV Healthcare Company $31.5112/13/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034471 CMS
Merck Sharp & Dohme LLC $22.8912/12/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944290257 CMS
Antares Pharma, Inc. $23.5512/06/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026956841929 CMS
EMD Serono, Inc. $11.4412/06/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026941577359 CMS
ViiV Healthcare Company $25.9812/05/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034395 CMS
Gilead Sciences, Inc. $30.5612/02/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929523845 CMS
ViiV Healthcare Company $30.2412/01/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034325 CMS
EMD Serono, Inc. $21.3811/30/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026941576863 CMS
Theratechnologies Inc. $32.6211/28/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026943968061 CMS
ViiV Healthcare Company $9.8511/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034505 CMS
ViiV Healthcare Company $33.6111/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034335 CMS
Gilead Sciences, Inc. $23.2811/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929523827 CMS
Merck Sharp & Dohme LLC $16.1311/17/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944260605 CMS
ViiV Healthcare Company $29.3011/17/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034515 CMS
Janssen Biotech, Inc. $14.8511/15/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885586871 CMS
ViiV Healthcare Company $3,900.0011/09/2022 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
06/30/2026944034477 CMS
ViiV Healthcare Company $1,950.0011/02/2022 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
06/30/2026944034499 CMS
Bausch Health US, LLC $30.5110/28/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026960159591 CMS
ViiV Healthcare Company $1,300.0010/28/2022 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
06/30/2026944034427 CMS
ViiV Healthcare Company $11.1710/27/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034293 CMS
ViiV Healthcare Company $26.0910/27/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034341 CMS
Biohaven Pharmaceutical Holding Company Ltd. $24.1610/25/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026923612513 CMS
Gilead Sciences, Inc. $1,730.0010/25/2022 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
06/30/2026929438901 CMS
Gilead Sciences, Inc. $26.8910/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929523837 CMS
ViiV Healthcare Company $3,900.0010/21/2022 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
06/30/2026944034331 CMS
Gilead Sciences, Inc. $113.4110/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929523859 CMS
Merck Sharp & Dohme LLC $23.9010/18/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944240293 CMS
ViiV Healthcare Company $19.7010/17/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034405 CMS
Gilead Sciences, Inc. $7.1710/14/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929523801 CMS
ViiV Healthcare Company $5.0910/06/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034345 CMS
Gilead Sciences, Inc. $1,730.0009/29/2022 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
06/30/2026929438897 CMS
ViiV Healthcare Company $6.0409/29/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034283 CMS
ViiV Healthcare Company $1.3309/29/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034525 CMS
Gilead Sciences, Inc. $125.0009/28/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929523865 CMS
Merck Sharp & Dohme LLC $17.0309/28/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944243553 CMS
ViiV Healthcare Company $28.9109/27/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034375 CMS
Gilead Sciences, Inc. $17.9809/23/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026929523815 CMS
ViiV Healthcare Company $22.9009/23/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944034467 CMS
EMD Serono, Inc. $21.4509/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026941563769 CMS
Merck Sharp & Dohme LLC $24.5209/16/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026944395217 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $107,860.28 320
PY2020 $31,069.79 96
PY2021 $31,002.22 102
PY2022 $54,312.10 157
PY2023 $79,317.32 195
PY2024 $64,995.55 213
PY2025 $64,622.36 246

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

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.

Cite this record.

Plain
SHAWN HASSLER, NPI 1427122928. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1427122928.
APA 7
IndustryPayments. (2026). SHAWN HASSLER, NPI 1427122928 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1427122928
Bluebook
SHAWN HASSLER, NPI 1427122928, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1427122928.

Source: Centers for Medicare & Medicaid Services, Open Payments.