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

MATTHEW THOMAS SIEDHOFF

Allopathic & Osteopathic Physicians Obstetrics & Gynecology Gynecology

NPI
1710182779
CMS profile
1237655
Location
BEVERLY HILLS, 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 · PY2019 · Entire year

$34,268.62

36 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

PY2019 · entire year · sorted by reported total

Nature of paymentAmountRecords
Education $13,095.00 8
Consulting Fee $12,025.00 6
Travel and Lodging $8,257.78 8
Food and Beverage $890.84 14

By paying entity

PY2019 · entire year · sorted by reported total

Paying entityAmountRecords
Applied Medical Resources Corporation $18,075.14 6
Olympus Corporation of the Americas $14,120.13 21
Covidien LP $1,066.24 2
Hologic, LLC $475.00 2
Avanos Medical $145.53 1
KARL STORZ Endoscopy-America $120.10 1
CooperSurgical, Inc. $97.45 1
AbbVie, Inc. $91.50 1
Applied Medical Europe BV $77.53 1

Page 1 of 1; records 1–36 of 36 matching records. This page contains 36 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

MATTHEW THOMAS SIEDHOFF

NPI 1710182779 · CMS profile ID 1237655

Allopathic & Osteopathic Physicians / Obstetrics & Gynecology / Gynecology

BEVERLY HILLS, 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, PY2019; 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 1 of 1; records 1–36 of 36 matching records. This page contains 36 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/provider/npi-1710182779?year=2019&recipient=provider#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e

Cite these filtered records

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

Plain
MATTHEW THOMAS SIEDHOFF, NPI 1710182779, CMS profile ID 1237655. General Payments, PY2019; 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 1 of 1; records 1–36 of 36 matching records. This page contains 36 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/provider/npi-1710182779?year=2019&recipient=provider#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
APA 7
IndustryPayments. (2026). MATTHEW THOMAS SIEDHOFF, NPI 1710182779, CMS profile ID 1237655. General Payments, PY2019; 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 1 of 1; records 1–36 of 36 matching records. This page contains 36 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/provider/npi-1710182779?year=2019&recipient=provider#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
Bluebook
MATTHEW THOMAS SIEDHOFF, NPI 1710182779, CMS profile ID 1237655, IndustryPayments, General Payments, PY2019; 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 1 of 1; records 1–36 of 36 matching records. This page contains 36 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e. https://industrypayments.org/provider/npi-1710182779?year=2019&recipient=provider#records-h.

Centers for Medicare & Medicaid Services, Open Payments

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

Payment records · PY2019

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

General Payments · PY2019 · Physicians and non-physician practitioners · CMS publication 2026-06-30

36 matching records · $34,268.62 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 36 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 1–36 of 36.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Applied Medical Resources Corporation $2,525.0012/30/2019 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 624495597 CMS
Applied Medical Resources Corporation $525.0012/16/2019 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 624495595 CMS
Avanos Medical $145.5312/03/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 705117689 CMS
CooperSurgical, Inc. $97.4511/11/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 693985319 CMS
Covidien LP $66.2409/09/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 636963197 CMS
Hologic, LLC $225.0007/18/2019 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 649995349 CMS
Hologic, LLC $250.0007/01/2019 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 649995343 CMS
Olympus Corporation of the Americas $37.4805/02/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701502601 CMS
Olympus Corporation of the Americas $37.4805/02/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701502629 CMS
Olympus Corporation of the Americas $970.0004/30/2019 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499781 CMS
Olympus Corporation of the Americas $485.0004/30/2019 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499785 CMS
Olympus Corporation of the Americas $727.5004/30/2019 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499789 CMS
Olympus Corporation of the Americas $4,365.0004/30/2019 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499791 CMS
Olympus Corporation of the Americas $1,212.5004/30/2019 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499795 CMS
Olympus Corporation of the Americas $2,425.0004/30/2019 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499799 CMS
Olympus Corporation of the Americas $1,455.0004/30/2019 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499801 CMS
Olympus Corporation of the Americas $1,455.0004/30/2019 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499805 CMS
Olympus Corporation of the Americas $20.5704/30/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499807 CMS
Olympus Corporation of the Americas $33.1504/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499811 CMS
Olympus Corporation of the Americas $120.0004/30/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701499815 CMS
AbbVie, Inc. $91.5004/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 647758665 CMS
KARL STORZ Endoscopy-America $120.1003/26/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 661512237 CMS
Olympus Corporation of the Americas $18.7703/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701500803 CMS
Olympus Corporation of the Americas $16.6203/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701500839 CMS
Olympus Corporation of the Americas $15.3803/22/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701500755 CMS
Olympus Corporation of the Americas $26.9803/21/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701500939 CMS
Olympus Corporation of the Americas $291.5403/15/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701502535 CMS
Olympus Corporation of the Americas $109.8003/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701502563 CMS
Applied Medical Resources Corporation $7,500.0003/07/2019 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 624495587 CMS
Applied Medical Resources Corporation $26.1903/07/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 624495589 CMS
Applied Medical Resources Corporation $7,485.9503/07/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 624495591 CMS
Olympus Corporation of the Americas $288.3602/14/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701501337 CMS
Olympus Corporation of the Americas $9.0002/14/2019 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701501343 CMS
Applied Medical Resources Corporation $13.0002/12/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 624495593 CMS
Covidien LP $1,000.0002/05/2019 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 636963193 CMS
Applied Medical Europe BV $77.5302/01/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 625208571 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $34,268.62 36
PY2020 $5,060.99 9
PY2021 $4,642.92 11
PY2022 $5,279.41 17
PY2023 $7,453.52 10
PY2024 $4,770.50 15
PY2025 $5,987.62 36

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.