IndustryPayments
Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

OLEG VOLCHONOK

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1275571945
CMS profile
684467
Location
PHILADELPHIA, PA

General Payments · PY2019–2025

$104,359.57

  • Reported across 718 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$6,046.98

101 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. 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.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

Related groups: Gastroenterology PA All categories

By nature of payment

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $3,440.00 2
Food and Beverage $2,581.58 97
Travel and Lodging $25.40 2

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Phathom Pharmaceuticals, Inc. $3,739.75 7
Gilead Sciences, Inc. $504.93 16
Ardelyx, Inc. $325.72 12
AIMMUNE THERAPEUTICS, INC. $221.96 5
ABBVIE INC. $220.32 15
QOL Medical, LLC $195.20 9
Salix Pharmaceuticals, a division of Bausch Health US, LLC $183.20 11
Ipsen Biopharmaceuticals, Inc $131.50 4
Janssen Biotech, Inc. $124.88 5
Regeneron Healthcare Solutions, Inc. $102.93 5
Organon LLC $87.48 1
PFIZER INC. $77.69 4
INTRA-SANA LABORATORIES $70.72 4
Takeda Pharmaceuticals U.S.A., Inc. $21.20 1
IRONWOOD PHARMACEUTICALS, INC $20.62 1
INTERCEPT PHARMACEUTICALS, INC. $18.88 1

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

Payment records · PY2025 (101)

Sorted by paying entity, then date · as published by CMS

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $18.28 01/14/2025 Food and Beverage Undisputed 06/30/2026 1204658231 CMS
ABBVIE INC. $19.10 01/14/2025 Food and Beverage Undisputed 06/30/2026 1204658235 CMS
ABBVIE INC. $12.99 02/27/2025 Food and Beverage Undisputed 06/30/2026 1204658239 CMS
ABBVIE INC. $15.38 03/21/2025 Food and Beverage Undisputed 06/30/2026 1204658243 CMS
ABBVIE INC. $16.91 04/11/2025 Food and Beverage Undisputed 06/30/2026 1204658247 CMS
ABBVIE INC. $6.59 06/06/2025 Food and Beverage Undisputed 06/30/2026 1204658250 CMS
ABBVIE INC. $16.60 07/08/2025 Food and Beverage Undisputed 06/30/2026 1204658254 CMS
ABBVIE INC. $13.49 07/14/2025 Food and Beverage Undisputed 06/30/2026 1204658258 CMS
ABBVIE INC. $10.67 07/18/2025 Food and Beverage Undisputed 06/30/2026 1204658262 CMS
ABBVIE INC. $19.17 07/25/2025 Food and Beverage Undisputed 06/30/2026 1204658266 CMS
ABBVIE INC. $17.70 10/06/2025 Food and Beverage Undisputed 06/30/2026 1204658269 CMS
ABBVIE INC. $5.01 10/30/2025 Food and Beverage Undisputed 06/30/2026 1204658273 CMS
ABBVIE INC. $14.75 11/06/2025 Food and Beverage Undisputed 06/30/2026 1204658276 CMS
ABBVIE INC. $19.36 11/14/2025 Food and Beverage Undisputed 06/30/2026 1204658280 CMS
ABBVIE INC. $14.32 12/15/2025 Food and Beverage Undisputed 06/30/2026 1204658283 CMS
Aimmune Therapeutics, Inc. $124.99 02/20/2025 Food and Beverage Undisputed 06/30/2026 1249643634 CMS
Aimmune Therapeutics, Inc. $18.90 03/10/2025 Food and Beverage Undisputed 06/30/2026 1249643626 CMS
Aimmune Therapeutics, Inc. $21.50 04/23/2025 Food and Beverage Undisputed 06/30/2026 1249643628 CMS
Aimmune Therapeutics, Inc. $28.48 06/13/2025 Food and Beverage Undisputed 06/30/2026 1249643632 CMS
Aimmune Therapeutics, Inc. $28.09 12/08/2025 Food and Beverage Undisputed 06/30/2026 1249643630 CMS
Ardelyx, Inc. $14.50 03/04/2025 Food and Beverage Undisputed 06/30/2026 1247890975 CMS
Ardelyx, Inc. $22.98 03/12/2025 Food and Beverage Undisputed 06/30/2026 1247890977 CMS
Ardelyx, Inc. $123.48 03/20/2025 Food and Beverage Undisputed 06/30/2026 1247890979 CMS
Ardelyx, Inc. $22.66 04/09/2025 Food and Beverage Undisputed 06/30/2026 1247890981 CMS
Ardelyx, Inc. $24.69 05/08/2025 Food and Beverage Undisputed 06/30/2026 1247890983 CMS
Ardelyx, Inc. $21.09 06/12/2025 Food and Beverage Undisputed 06/30/2026 1247890986 CMS
Ardelyx, Inc. $22.45 09/03/2025 Food and Beverage Undisputed 06/30/2026 1247890988 CMS
Ardelyx, Inc. $18.60 10/16/2025 Food and Beverage Undisputed 06/30/2026 1247890990 CMS
Ardelyx, Inc. $2.00 10/16/2025 Food and Beverage Undisputed 06/30/2026 1247890992 CMS
Ardelyx, Inc. $7.75 10/31/2025 Food and Beverage Undisputed 06/30/2026 1247890994 CMS
Ardelyx, Inc. $23.59 11/12/2025 Food and Beverage Undisputed 06/30/2026 1247890996 CMS
Ardelyx, Inc. $21.93 12/10/2025 Food and Beverage Undisputed 06/30/2026 1247890998 CMS
Gilead Sciences, Inc. $24.48 01/21/2025 Food and Beverage Undisputed 06/30/2026 1234479682 CMS
Gilead Sciences, Inc. $6.04 02/14/2025 Food and Beverage Undisputed 06/30/2026 1234598686 CMS
Gilead Sciences, Inc. $15.82 03/11/2025 Food and Beverage Undisputed 06/30/2026 1234566880 CMS
Gilead Sciences, Inc. $114.95 03/18/2025 Food and Beverage Undisputed 06/30/2026 1234394490 CMS
Gilead Sciences, Inc. $23.16 03/18/2025 Food and Beverage Undisputed 06/30/2026 1234492792 CMS
Gilead Sciences, Inc. $19.69 04/17/2025 Food and Beverage Undisputed 06/30/2026 1234531615 CMS
Gilead Sciences, Inc. $22.12 05/06/2025 Food and Beverage Undisputed 06/30/2026 1234503999 CMS
Gilead Sciences, Inc. $24.45 06/04/2025 Food and Beverage Undisputed 06/30/2026 1234479954 CMS
Gilead Sciences, Inc. $24.65 07/15/2025 Food and Beverage Undisputed 06/30/2026 1234478054 CMS
Gilead Sciences, Inc. $113.16 07/22/2025 Food and Beverage Undisputed 06/30/2026 1234395592 CMS
Gilead Sciences, Inc. $21.21 08/04/2025 Food and Beverage Undisputed 06/30/2026 1234514375 CMS
Gilead Sciences, Inc. $3.11 08/04/2025 Food and Beverage Undisputed 06/30/2026 1234607413 CMS
Gilead Sciences, Inc. $23.55 08/18/2025 Food and Beverage Undisputed 06/30/2026 1234488948 CMS
Gilead Sciences, Inc. $21.63 09/15/2025 Food and Beverage Undisputed 06/30/2026 1234509249 CMS
Gilead Sciences, Inc. $23.14 10/13/2025 Food and Beverage Undisputed 06/30/2026 1234492988 CMS
Gilead Sciences, Inc. $23.77 11/17/2025 Food and Beverage Undisputed 06/30/2026 1234486728 CMS
Intercept Pharmaceuticals, Inc. $18.88 03/13/2025 Food and Beverage Undisputed 06/30/2026 1249875378 CMS
Intra-Sana Laboratories $16.95 04/21/2025 Food and Beverage Undisputed 06/30/2026 1251425178 CMS
Intra-Sana Laboratories $16.95 06/02/2025 Food and Beverage Undisputed 06/30/2026 1251425180 CMS
Intra-Sana Laboratories $16.95 07/07/2025 Food and Beverage Undisputed 06/30/2026 1251425182 CMS
Intra-Sana Laboratories $19.87 11/24/2025 Food and Beverage Undisputed 06/30/2026 1251425184 CMS
Ipsen Biopharmaceuticals, Inc $34.44 04/07/2025 Food and Beverage Undisputed 06/30/2026 1208858224 CMS
Ipsen Biopharmaceuticals, Inc $35.00 06/24/2025 Food and Beverage Undisputed 06/30/2026 1208858226 CMS
Ipsen Biopharmaceuticals, Inc $27.55 07/28/2025 Food and Beverage Undisputed 06/30/2026 1208858228 CMS
Ipsen Biopharmaceuticals, Inc $34.51 09/22/2025 Food and Beverage Undisputed 06/30/2026 1208858230 CMS
IRONWOOD PHARMACEUTICALS, INC $20.62 01/23/2025 Food and Beverage Undisputed 06/30/2026 1227655763 CMS
Janssen Biotech, Inc. $25.71 02/13/2025 Food and Beverage Undisputed 06/30/2026 1174598365 CMS
Janssen Biotech, Inc. $21.74 04/14/2025 Food and Beverage Undisputed 06/30/2026 1174606520 CMS
Janssen Biotech, Inc. $32.76 07/25/2025 Food and Beverage Undisputed 06/30/2026 1174618438 CMS
Janssen Biotech, Inc. $21.76 10/23/2025 Food and Beverage Undisputed 06/30/2026 1174620536 CMS
Janssen Biotech, Inc. $22.91 12/01/2025 Food and Beverage Undisputed 06/30/2026 1174618634 CMS
Organon LLC $87.48 11/10/2025 Food and Beverage Undisputed 06/30/2026 1237684210 CMS
PFIZER INC. $17.24 02/25/2025 Food and Beverage Undisputed 06/30/2026 1230147602 CMS
PFIZER INC. $17.03 04/28/2025 Food and Beverage Undisputed 06/30/2026 1230208849 CMS
PFIZER INC. $22.27 06/17/2025 Food and Beverage Undisputed 06/30/2026 1230145557 CMS
PFIZER INC. $21.15 10/28/2025 Food and Beverage Undisputed 06/30/2026 1230707327 CMS
Phathom Pharmaceuticals, Inc. $125.00 02/25/2025 Food and Beverage Undisputed 06/30/2026 1219322829 CMS
Phathom Pharmaceuticals, Inc. $1,720.00 03/05/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 06/30/2026 1219322839 CMS
Phathom Pharmaceuticals, Inc. $10.00 05/14/2025 Travel and Lodging Undisputed 06/30/2026 1219322841 CMS
Phathom Pharmaceuticals, Inc. $24.36 08/18/2025 Food and Beverage Undisputed 06/30/2026 1219269280 CMS
Phathom Pharmaceuticals, Inc. $124.99 09/30/2025 Food and Beverage Undisputed 06/30/2026 1219269274 CMS
Phathom Pharmaceuticals, Inc. $1,720.00 10/08/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 06/30/2026 1219269278 CMS
Phathom Pharmaceuticals, Inc. $15.40 11/12/2025 Travel and Lodging Undisputed 06/30/2026 1219269276 CMS
QOL Medical, LLC $9.40 01/13/2025 Food and Beverage Undisputed 06/30/2026 1184988412 CMS
QOL Medical, LLC $26.92 02/10/2025 Food and Beverage Undisputed 06/30/2026 1184988430 CMS
QOL Medical, LLC $10.11 04/11/2025 Food and Beverage Undisputed 06/30/2026 1184988460 CMS
QOL Medical, LLC $22.09 04/24/2025 Food and Beverage Undisputed 06/30/2026 1184988462 CMS
QOL Medical, LLC $24.36 06/18/2025 Food and Beverage Undisputed 06/30/2026 1184988482 CMS
QOL Medical, LLC $27.42 08/21/2025 Food and Beverage Undisputed 06/30/2026 1184988510 CMS
QOL Medical, LLC $24.14 10/09/2025 Food and Beverage Undisputed 06/30/2026 1184988534 CMS
QOL Medical, LLC $28.72 11/19/2025 Food and Beverage Undisputed 06/30/2026 1184988554 CMS
QOL Medical, LLC $22.04 12/18/2025 Food and Beverage Undisputed 06/30/2026 1184988568 CMS
Regeneron Healthcare Solutions, Inc. $24.42 01/16/2025 Food and Beverage Undisputed 06/30/2026 1213065474 CMS
Regeneron Healthcare Solutions, Inc. $18.52 02/24/2025 Food and Beverage Undisputed 06/30/2026 1213065476 CMS
Regeneron Healthcare Solutions, Inc. $19.87 03/27/2025 Food and Beverage Undisputed 06/30/2026 1213065478 CMS
Regeneron Healthcare Solutions, Inc. $21.69 06/10/2025 Food and Beverage Undisputed 06/30/2026 1213065480 CMS
Regeneron Healthcare Solutions, Inc. $18.43 09/03/2025 Food and Beverage Undisputed 06/30/2026 1213065482 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.91 01/15/2025 Food and Beverage Undisputed 06/30/2026 1231977165 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $14.21 03/21/2025 Food and Beverage Undisputed 06/30/2026 1231977167 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $19.81 05/19/2025 Food and Beverage Undisputed 06/30/2026 1231977170 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.56 05/19/2025 Food and Beverage Undisputed 06/30/2026 1231977174 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.56 06/17/2025 Food and Beverage Undisputed 06/30/2026 1231977177 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.88 07/08/2025 Food and Beverage Undisputed 06/30/2026 1231977179 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.32 09/16/2025 Food and Beverage Undisputed 06/30/2026 1231977182 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $12.99 09/16/2025 Food and Beverage Undisputed 06/30/2026 1231977184 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.33 09/22/2025 Food and Beverage Undisputed 06/30/2026 1231977188 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.96 11/24/2025 Food and Beverage Undisputed 06/30/2026 1231977190 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $8.67 12/21/2025 Food and Beverage Undisputed 06/30/2026 1231977192 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.20 04/08/2025 Food and Beverage Undisputed 06/30/2026 1223867650 CMS

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
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
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.