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

OLEG VOLCHONOK

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1275571945
CMS profile
684467
Location
PHILADELPHIA, PA

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 · PY2024 · Entire year

$25,486.31

135 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

PY2024 · entire year · sorted by reported total

By paying entity

PY2024 · entire year · sorted by reported total

Payment records · PY2024

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

General Payments · PY2024 · Physicians and non-physician practitioners · CMS publication 2026-06-30

135 matching records · $25,486.31 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 135 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 135.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
QOL Medical, LLC $21.3912/30/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261147716713 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.6212/23/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261153643851 CMS
ABBVIE INC. $16.7312/19/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291132 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.2712/18/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261153566904 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.6812/16/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261153637490 CMS
Gilead Sciences, Inc. $22.8012/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261133776073 CMS
IRONWOOD PHARMACEUTICALS, INC $19.9512/11/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261153710489 CMS
IRONWOOD PHARMACEUTICALS, INC $2,375.0012/11/2024 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
06/30/20261153727901 CMS
Gilead Sciences, Inc. $22.2012/03/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261133776071 CMS
Ardelyx, Inc. $20.7311/21/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261146713137 CMS
ABBVIE INC. $22.9311/20/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291130 CMS
EVOKE PHARMA, INC. $18.0211/18/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261127779771 CMS
ABBVIE INC. $3.0211/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291128 CMS
ABBVIE INC. $19.9311/07/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291126 CMS
Gilead Sciences, Inc. $15.9510/31/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261133776069 CMS
Janssen Biotech, Inc. $18.8310/30/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261078584710 CMS
Lilly USA, LLC $13.8210/28/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261135267648 CMS
ABBVIE INC. $25.6410/22/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291124 CMS
EVOKE PHARMA, INC. $15.9010/16/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261127779103 CMS
ABBVIE INC. $17.6010/15/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291122 CMS
Ardelyx, Inc. $18.5510/10/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261146713135 CMS
ABBVIE INC. $18.6710/09/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291120 CMS
AIMMUNE THERAPEUTICS, INC. $14.2610/09/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261146988269 CMS
Gilead Sciences, Inc. $18.0010/07/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261133776067 CMS
ABBVIE INC. $13.9810/04/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291118 CMS
ABBVIE INC. $24.0210/01/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291116 CMS
Gilead Sciences, Inc. $28.4009/30/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261133776065 CMS
ABBVIE INC. $12.2909/25/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291114 CMS
Phathom Pharmaceuticals, Inc. $16.7509/19/2024 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/20261151136869 CMS
Phathom Pharmaceuticals, Inc. $1,720.0009/05/2024 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
06/30/20261151136867 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $19.6809/04/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261153548839 CMS
ABBVIE INC. $5.1708/29/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291112 CMS
AIMMUNE THERAPEUTICS, INC. $21.8008/29/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261146994055 CMS
Regeneron Healthcare Solutions, Inc. $23.3708/29/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261114239733 CMS
Phathom Pharmaceuticals, Inc. $112.9508/28/2024 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/20261151136863 CMS
Phathom Pharmaceuticals, Inc. $10.6008/28/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261151136865 CMS
ABBVIE INC. $17.5708/27/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291110 CMS
Gilead Sciences, Inc. $17.4408/27/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261133776063 CMS
Janssen Biotech, Inc. $31.1908/22/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261078584543 CMS
Phathom Pharmaceuticals, Inc. $860.0008/14/2024 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
06/30/20261151136861 CMS
IRONWOOD PHARMACEUTICALS, INC $19.5608/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261153710485 CMS
Ardelyx, Inc. $28.2808/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261146713133 CMS
ABBVIE INC. $16.6108/08/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291108 CMS
ABBVIE INC. $17.0407/31/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291106 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $14.2507/31/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261153698265 CMS
ABBVIE INC. $14.5907/28/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261106291104 CMS
Phathom Pharmaceuticals, Inc. $47.8707/27/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261151136851 CMS
Phathom Pharmaceuticals, Inc. $35.2307/27/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261151136853 CMS
Phathom Pharmaceuticals, Inc. $55.6107/27/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261151136855 CMS
Phathom Pharmaceuticals, Inc. $29.3007/27/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261151136857 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $28,213.52 120
PY2020 $14,977.90 68
PY2021 $14,749.56 99
PY2022 $3,759.29 79
PY2023 $11,126.01 116
PY2024 $25,486.31 135
PY2025 $6,046.98 101

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
OLEG VOLCHONOK, NPI 1275571945. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1275571945.
APA 7
IndustryPayments. (2026). OLEG VOLCHONOK, NPI 1275571945 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1275571945
Bluebook
OLEG VOLCHONOK, NPI 1275571945, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1275571945.

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