Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

NATALIYA MAR

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1922240191
CMS profile
4219562
Location
ORANGE, CA

General Payments · PY2019–2024

$107,430.96

  • Reported across 144 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$28,988.14

39 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.

By nature of payment

PY2024 · sorted by reported total

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Merck Sharp & Dohme Corporation $18,576.60 16
EISAI INC. $7,380.46 8
Exelixis Inc. $2,396.21 4
PFIZER INC. $225.93 3
Gilead Sciences, Inc. $192.04 2
Acerta Pharma LLC $121.87 1
Janssen Biotech, Inc. $51.50 3
AVEO Pharmaceuticals, Inc. $43.53 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $841.53 4
PY2020 $15,189.56 20
PY2021 $7,124.75 8
PY2022 $20,378.64 33
PY2023 $34,908.34 40
PY2024 $28,988.14 39

Payment records · PY2024 (39)

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

Program year 2024 20192020202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AstraZeneca Pharmaceuticals LP $121.87 01/26/2024 Food and Beverage Undisputed 01/23/2026 1104771820 CMS
Aveo Pharmaceuticals, Inc. $10.00 03/07/2024 Food and Beverage Undisputed 01/23/2026 1143483341 CMS
Aveo Pharmaceuticals, Inc. $33.53 11/23/2024 Food and Beverage Undisputed 01/23/2026 1143483347 CMS
Eisai Inc. $34.71 01/27/2024 Food and Beverage Undisputed 01/23/2026 1110769247 CMS
Eisai Inc. $1,470.00 02/08/2024 Compensation for serving as faculty or as a speaker for a medical education program Undisputed 01/23/2026 1110769251 CMS
Eisai Inc. $1,470.00 02/21/2024 Compensation for serving as faculty or as a speaker for a medical education program Undisputed 01/23/2026 1110769249 CMS
Eisai Inc. $1,470.00 05/28/2024 Compensation for serving as faculty or as a speaker for a medical education program Undisputed 01/23/2026 1110769259 CMS
Eisai Inc. $67.99 08/06/2024 Food and Beverage Undisputed 01/23/2026 1110769245 CMS
Eisai Inc. $1,962.50 09/26/2024 Compensation for serving as faculty or as a speaker for a medical education program Undisputed 01/23/2026 1110769253 CMS
Eisai Inc. $785.00 09/26/2024 Compensation for serving as faculty or as a speaker for a medical education program Undisputed 01/23/2026 1110769255 CMS
Eisai Inc. $120.26 09/26/2024 Food and Beverage Undisputed 01/23/2026 1110769257 CMS
Exelixis Inc. $136.78 01/26/2024 Food and Beverage Undisputed 01/23/2026 1138562956 CMS
Exelixis Inc. $174.00 06/01/2024 Food and Beverage Undisputed 01/23/2026 1138562958 CMS
Exelixis Inc. $105.43 11/21/2024 Food and Beverage Undisputed 01/23/2026 1138562960 CMS
Exelixis Inc. $1,980.00 12/05/2024 Honoraria Undisputed 01/23/2026 1138562962 CMS
Gilead Sciences, Inc. $96.02 05/31/2024 Food and Beverage Undisputed 01/23/2026 1133806163 CMS
Gilead Sciences, Inc. $96.02 06/05/2024 Food and Beverage Undisputed 01/23/2026 1133806165 CMS
Janssen Biotech, Inc. $16.52 07/03/2024 Food and Beverage Undisputed 01/23/2026 1078315962 CMS
Janssen Biotech, Inc. $15.12 08/19/2024 Food and Beverage Undisputed 01/23/2026 1078315498 CMS
Janssen Biotech, Inc. $19.86 11/25/2024 Food and Beverage Undisputed 01/23/2026 1078315468 CMS
Merck Sharp & Dohme LLC $124.89 03/05/2024 Food and Beverage Undisputed 01/23/2026 1141574922 CMS
Merck Sharp & Dohme LLC $25.00 03/06/2024 Travel and Lodging Undisputed 01/23/2026 1141574882 CMS
Merck Sharp & Dohme LLC $4,270.00 03/29/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1141574886 CMS
Merck Sharp & Dohme LLC $28.08 03/29/2024 Food and Beverage Undisputed 01/23/2026 1141574910 CMS
Merck Sharp & Dohme LLC $34.13 05/03/2024 Food and Beverage Undisputed 01/23/2026 1141829590 CMS
Merck Sharp & Dohme LLC $95.34 06/01/2024 Food and Beverage Undisputed 01/23/2026 1141575030 CMS
Merck Sharp & Dohme LLC $33.07 06/01/2024 Food and Beverage Undisputed 01/23/2026 1141575034 CMS
Merck Sharp & Dohme LLC $124.88 06/06/2024 Food and Beverage Undisputed 01/23/2026 1141574908 CMS
Merck Sharp & Dohme LLC $4,270.00 07/31/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1141574890 CMS
Merck Sharp & Dohme LLC $25.00 08/07/2024 Travel and Lodging Undisputed 01/23/2026 1141574898 CMS
Merck Sharp & Dohme LLC $125.00 08/15/2024 Food and Beverage Undisputed 01/23/2026 1141575032 CMS
Merck Sharp & Dohme LLC $75.00 09/11/2024 Travel and Lodging Undisputed 01/23/2026 1141574902 CMS
Merck Sharp & Dohme LLC $4,270.00 09/11/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1141829586 CMS
Merck Sharp & Dohme LLC $656.21 11/10/2024 Travel and Lodging Undisputed 01/23/2026 1141574906 CMS
Merck Sharp & Dohme LLC $4,270.00 11/20/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1141574894 CMS
Merck Sharp & Dohme LLC $150.00 11/20/2024 Travel and Lodging Undisputed 01/23/2026 1141829588 CMS
PFIZER INC. $147.59 01/27/2024 Food and Beverage Undisputed 01/23/2026 1131302459 CMS
PFIZER INC. $18.00 02/27/2024 Education Undisputed 01/23/2026 1131595637 CMS
PFIZER INC. $60.34 06/02/2024 Food and Beverage Undisputed 01/23/2026 1131347484 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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