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

STEFAN SIEN

Allopathic & Osteopathic Physicians Internal Medicine Pulmonary Disease

NPI
1932319464
CMS profile
269672
Location
MURRIETA, 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 · PY2022 · Entire year

$2,052.98

109 records · 0 disputed

Summary and payment records

  • CMS publication 2026-06-30
Read the payment records

“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

Nature of paymentAmountRecords
Food and Beverage $1,920.05 107
Education $132.93 2

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

109 matching records · $2,052.98 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 109 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 109.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Actelion Pharmaceuticals US, Inc. $22.0012/23/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374475 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $9.9412/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026876410435 CMS
Electromed, Inc. $16.3312/08/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026948254759 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $13.7312/08/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026876410443 CMS
Regeneron Healthcare Solutions, Inc. $36.9811/30/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026927402179 CMS
GlaxoSmithKline, LLC. $24.9211/17/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026945189223 CMS
AstraZeneca Pharmaceuticals LP $14.3111/16/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026915568725 CMS
GENZYME CORPORATION $20.3511/15/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026938960517 CMS
GlaxoSmithKline, LLC. $25.8411/11/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026945189221 CMS
Philips Electronics North America Corporation $12.7511/10/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026945586415 CMS
Actelion Pharmaceuticals US, Inc. $15.6711/09/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374491 CMS
Phadia US Inc. $28.1911/08/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026869295267 CMS
AstraZeneca Pharmaceuticals LP $14.9411/04/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026915882191 CMS
Electromed, Inc. $14.5711/03/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026948254753 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $13.4011/03/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026876410439 CMS
Takeda Pharmaceuticals U.S.A., Inc. $25.0811/02/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026955827819 CMS
GlaxoSmithKline, LLC. $21.8010/27/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026945189231 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $22.6510/26/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026887499155 CMS
United Therapeutics Corporation $17.7210/25/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957952125 CMS
Actelion Pharmaceuticals US, Inc. $1.5710/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374511 CMS
Actelion Pharmaceuticals US, Inc. $2.9710/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374513 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $24.7410/18/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026887352169 CMS
AstraZeneca Pharmaceuticals LP $12.6710/13/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026915231285 CMS
Actelion Pharmaceuticals US, Inc. $15.9010/11/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374481 CMS
Philips Electronics North America Corporation $20.2310/06/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026945586417 CMS
Genentech USA, Inc. $15.7309/29/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026950755933 CMS
Actelion Pharmaceuticals US, Inc. $13.2009/28/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374457 CMS
Janssen Pharmaceuticals, Inc $22.5009/28/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885796601 CMS
GENZYME CORPORATION $23.0609/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026938960481 CMS
AstraZeneca Pharmaceuticals LP $12.2809/15/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026915453175 CMS
Actelion Pharmaceuticals US, Inc. $31.5409/14/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374493 CMS
GlaxoSmithKline, LLC. $11.8009/14/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026945189225 CMS
Actelion Pharmaceuticals US, Inc. $21.7609/08/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374459 CMS
Actelion Pharmaceuticals US, Inc. $5.6509/08/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374461 CMS
Mylan Specialty L.P. $20.6209/06/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026963922329 CMS
AstraZeneca Pharmaceuticals LP $22.6009/01/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026914847935 CMS
GENZYME CORPORATION $25.2309/01/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026938960471 CMS
Actelion Pharmaceuticals US, Inc. $21.2708/25/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374467 CMS
Actelion Pharmaceuticals US, Inc. $1.7708/25/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374469 CMS
Paratek Pharmaceuticals, Inc. $24.9008/22/2022 Food and Beverage No dispute reported Delay: No
Change: CHANGED
06/30/2026881694963 CMS
AstraZeneca Pharmaceuticals LP $21.5108/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026914682143 CMS
Actelion Pharmaceuticals US, Inc. $17.3308/17/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374465 CMS
United Therapeutics Corporation $19.3308/16/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957952121 CMS
GENZYME CORPORATION $18.3508/09/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026938960457 CMS
GlaxoSmithKline, LLC. $12.8208/09/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026945189229 CMS
Actelion Pharmaceuticals US, Inc. $15.0508/03/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374463 CMS
Actelion Pharmaceuticals US, Inc. $2.2208/01/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885374479 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.1307/28/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026887499157 CMS
Novartis Pharmaceuticals Corporation $14.3307/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026894374761 CMS
GlaxoSmithKline, LLC. $5.5107/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026945189217 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $1,144.19 76
PY2020 $1,210.33 68
PY2021 $1,505.86 70
PY2022 $2,052.98 109
PY2023 $6,538.18 103
PY2024 $5,141.20 134
PY2025 $2,305.55 77

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
STEFAN SIEN, NPI 1932319464. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1932319464.
APA 7
IndustryPayments. (2026). STEFAN SIEN, NPI 1932319464 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1932319464
Bluebook
STEFAN SIEN, NPI 1932319464, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1932319464.

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