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

DMITRIY ZAK

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1548371289
CMS profile
161207
Location
MOUNTAIN HOME, AR

General Payments · PY2019–2025

$8,328.34

  • Reported across 334 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$3,701.13

63 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: Hematology & Oncology AR All categories

By nature of payment

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $2,200.00 1
Food and Beverage $1,147.90 60
Travel and Lodging $322.94 1
Education $30.29 1

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $2,661.21 7
Daiichi Sankyo Inc. $114.01 4
Regeneron Healthcare Solutions, Inc. $111.29 4
PFIZER INC. $78.00 5
Bayer HealthCare Pharmaceuticals Inc. $70.50 4
GENZYME CORPORATION $62.30 3
Janssen Biotech, Inc. $50.24 2
Merck Sharp & Dohme Corporation $46.75 3
Iovance Biotherapeutics, Inc. $46.03 3
Celgene Corporation $45.22 3
Syndax Pharmaceuticals, Inc. $34.35 1
NOVARTIS PHARMACEUTICALS CORPORATION $33.69 2
PUMA BIOTECHNOLOGY, INC. $30.91 2
Apellis Pharmaceuticals, Inc. $30.29 1
Karyopharm Therapeutics Inc. $28.26 2
Incyte Corporation $27.70 2
EISAI INC. $27.14 2
SOBI, INC $22.41 1
E.R. Squibb & Sons, L.L.C. $17.42 1
Immunocore Limited $16.35 1
Genmab U.S., Inc. $15.99 1
Acrotech Biopharma Inc. $15.98 1
KYOWA KIRIN, INC. $15.87 1
Lilly USA, LLC $15.25 1
JAZZ PHARMACEUTICALS INC. $15.24 1
Fennec Pharmaceuticals, Inc. $13.97 1
Astellas Pharma US Inc $13.84 1
ABBVIE INC. $13.81 1
Ipsen Biopharmaceuticals, Inc $13.65 1
Spectrum Pharmaceuticals Inc. $13.46 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $1,311.75 89
PY2020 $314.50 20
PY2021 $459.29 33
PY2022 $503.76 32
PY2023 $646.23 41
PY2024 $1,391.68 56
PY2025 $3,701.13 63

Payment records · PY2025 (63)

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. $13.81 08/23/2025 Food and Beverage Undisputed 06/30/2026 1204845770 CMS
Acrotech Biopharma Inc. $15.98 04/02/2025 Food and Beverage Undisputed 06/30/2026 1237536842 CMS
Apellis Pharmaceuticals, Inc. $30.29 03/14/2025 Education Undisputed 06/30/2026 1253193246 CMS
Astellas Pharma US Inc $13.84 09/05/2025 Food and Beverage Undisputed 06/30/2026 1238659958 CMS
AstraZeneca Pharmaceuticals LP $17.11 01/07/2025 Food and Beverage Undisputed 06/30/2026 1206646069 CMS
AstraZeneca Pharmaceuticals LP $39.74 02/04/2025 Food and Beverage Undisputed 06/30/2026 1207288350 CMS
AstraZeneca Pharmaceuticals LP $15.71 05/19/2025 Food and Beverage Undisputed 06/30/2026 1207047377 CMS
AstraZeneca Pharmaceuticals LP $15.71 06/30/2025 Food and Beverage Undisputed 06/30/2026 1206160684 CMS
AstraZeneca Pharmaceuticals LP $322.94 10/24/2025 Travel and Lodging Undisputed 06/30/2026 1206342006 CMS
AstraZeneca Pharmaceuticals LP $50.00 10/24/2025 Food and Beverage Undisputed 06/30/2026 1206612124 CMS
AstraZeneca Pharmaceuticals LP $2,200.00 11/08/2025 Consulting Fee Undisputed 06/30/2026 1206488315 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.25 06/24/2025 Food and Beverage Undisputed 06/30/2026 1225919762 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.42 09/25/2025 Food and Beverage Undisputed 06/30/2026 1225919770 CMS
Bayer Healthcare Pharmaceuticals Inc. $13.46 11/03/2025 Food and Beverage Undisputed 06/30/2026 1225919767 CMS
Bayer Healthcare Pharmaceuticals Inc. $26.37 11/19/2025 Food and Beverage Undisputed 06/30/2026 1225919774 CMS
Celgene Corporation $16.90 03/13/2025 Food and Beverage Undisputed 06/30/2026 1184652939 CMS
Celgene Corporation $13.91 04/22/2025 Food and Beverage Undisputed 06/30/2026 1184652970 CMS
Celgene Corporation $14.41 06/05/2025 Food and Beverage Undisputed 06/30/2026 1184653040 CMS
Daiichi Sankyo Inc. $29.76 01/16/2025 Food and Beverage Undisputed 06/30/2026 1197076869 CMS
Daiichi Sankyo Inc. $27.39 05/05/2025 Food and Beverage Undisputed 06/30/2026 1197066665 CMS
Daiichi Sankyo Inc. $29.57 07/09/2025 Food and Beverage Undisputed 06/30/2026 1197084361 CMS
Daiichi Sankyo Inc. $27.29 07/31/2025 Food and Beverage Undisputed 06/30/2026 1197021437 CMS
E.R. Squibb & Sons, L.L.C. $17.42 10/30/2025 Food and Beverage Undisputed 06/30/2026 1184653107 CMS
Eisai Inc. $13.46 06/16/2025 Food and Beverage Undisputed 06/30/2026 1244476800 CMS
Eisai Inc. $13.68 11/19/2025 Food and Beverage Undisputed 06/30/2026 1244476802 CMS
Fennec Pharmaceuticals, Inc. $13.97 06/19/2025 Food and Beverage Undisputed 06/30/2026 1250856265 CMS
Genmab U.S., Inc. $15.99 04/23/2025 Food and Beverage Undisputed 06/30/2026 1235919360 CMS
GENZYME CORPORATION $17.98 09/10/2025 Food and Beverage Undisputed 06/30/2026 1233388735 CMS
GENZYME CORPORATION $27.30 10/29/2025 Food and Beverage Undisputed 06/30/2026 1233388811 CMS
GENZYME CORPORATION $17.02 11/13/2025 Food and Beverage Undisputed 06/30/2026 1233388779 CMS
Immunocore Limited $16.35 07/21/2025 Food and Beverage Undisputed 06/30/2026 1235826161 CMS
Incyte Corporation $13.93 05/12/2025 Food and Beverage Undisputed 06/30/2026 1226120024 CMS
Incyte Corporation $13.77 07/21/2025 Food and Beverage Undisputed 06/30/2026 1226035711 CMS
Iovance Biotherapeutics, Inc. $17.63 06/02/2025 Food and Beverage Undisputed 06/30/2026 1251399552 CMS
Iovance Biotherapeutics, Inc. $12.65 07/03/2025 Food and Beverage Undisputed 06/30/2026 1251399546 CMS
Iovance Biotherapeutics, Inc. $15.75 10/16/2025 Food and Beverage Undisputed 06/30/2026 1251399548 CMS
Ipsen Biopharmaceuticals, Inc $13.65 01/07/2025 Food and Beverage Undisputed 06/30/2026 1208831019 CMS
Janssen Biotech, Inc. $20.73 08/26/2025 Food and Beverage Undisputed 06/30/2026 1174436620 CMS
Janssen Biotech, Inc. $29.51 09/18/2025 Food and Beverage Undisputed 06/30/2026 1174437201 CMS
JAZZ PHARMACEUTICALS INC. $15.24 11/18/2025 Food and Beverage Undisputed 06/30/2026 1234343819 CMS
Karyopharm Therapeutics Inc. $14.64 03/05/2025 Food and Beverage Undisputed 06/30/2026 1246644401 CMS
Karyopharm Therapeutics Inc. $13.62 07/30/2025 Food and Beverage Undisputed 06/30/2026 1246644405 CMS
KYOWA KIRIN, INC. $15.87 05/01/2025 Food and Beverage Undisputed 06/30/2026 1222111227 CMS
Lilly USA, LLC $15.25 10/10/2025 Food and Beverage Undisputed 06/30/2026 1186581312 CMS
Merck Sharp & Dohme LLC $14.14 02/26/2025 Food and Beverage Undisputed 06/30/2026 1238175651 CMS
Merck Sharp & Dohme LLC $15.26 08/18/2025 Food and Beverage Undisputed 06/30/2026 1238269660 CMS
Merck Sharp & Dohme LLC $17.35 10/01/2025 Food and Beverage Undisputed 06/30/2026 1238139399 CMS
Novartis Pharmaceuticals Corporation $14.00 02/11/2025 Food and Beverage Undisputed 06/30/2026 1200448353 CMS
Novartis Pharmaceuticals Corporation $19.69 11/04/2025 Food and Beverage Undisputed 06/30/2026 1200448627 CMS
PFIZER INC. $16.15 03/17/2025 Food and Beverage Undisputed 06/30/2026 1228982536 CMS
PFIZER INC. $14.39 06/03/2025 Food and Beverage Undisputed 06/30/2026 1229374611 CMS
PFIZER INC. $16.20 09/24/2025 Food and Beverage Undisputed 06/30/2026 1230415224 CMS
PFIZER INC. $15.11 10/20/2025 Food and Beverage Undisputed 06/30/2026 1230764104 CMS
PFIZER INC. $16.15 11/10/2025 Food and Beverage Undisputed 06/30/2026 1230941002 CMS
PUMA BIOTECHNOLOGY, INC. $14.29 07/08/2025 Food and Beverage Undisputed 06/30/2026 1251744608 CMS
PUMA BIOTECHNOLOGY, INC. $16.62 12/03/2025 Food and Beverage Undisputed 06/30/2026 1251751174 CMS
Regeneron Healthcare Solutions, Inc. $18.53 03/24/2025 Food and Beverage Undisputed 06/30/2026 1213077942 CMS
Regeneron Healthcare Solutions, Inc. $21.36 07/16/2025 Food and Beverage Undisputed 06/30/2026 1213077944 CMS
Regeneron Healthcare Solutions, Inc. $53.42 09/25/2025 Food and Beverage Undisputed 06/30/2026 1213077946 CMS
Regeneron Healthcare Solutions, Inc. $17.98 10/28/2025 Food and Beverage Undisputed 06/30/2026 1213077948 CMS
SOBI, INC $22.41 12/18/2025 Food and Beverage Undisputed 06/30/2026 1240258868 CMS
Spectrum Pharmaceuticals Inc. $13.46 04/09/2025 Food and Beverage Undisputed 06/30/2026 1221050462 CMS
Syndax Pharmaceuticals, Inc. $34.35 09/29/2025 Food and Beverage Undisputed 06/30/2026 1238997132 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.

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