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

NAGENDER MANKAN

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1396782827
CMS profile
290377
Location
ROSWELL, GA

General Payments · PY2018–2024

$12,264.39

  • Reported across 506 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,712.78

78 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

Nature of paymentAmountRecords
Food and Beverage $1,599.80 76
Education $112.98 2

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $476.02 26
PY2019 $2,830.63 137
PY2020 $754.24 37
PY2021 $908.03 48
PY2022 $2,045.51 100
PY2023 $3,537.18 80
PY2024 $1,712.78 78

Payment records · PY2024 (78)

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

Program year 2024 201820192020202120222023 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
ABBVIE INC. $33.40 01/09/2024 Food and Beverage Undisputed 01/23/2026 1104957314 CMS
ABBVIE INC. $26.89 05/22/2024 Food and Beverage Undisputed 01/23/2026 1104957318 CMS
ABBVIE INC. $26.80 08/27/2024 Food and Beverage Undisputed 01/23/2026 1104957322 CMS
ABBVIE INC. $19.34 10/11/2024 Food and Beverage Undisputed 01/23/2026 1104957326 CMS
ABBVIE INC. $24.30 12/23/2024 Food and Beverage Undisputed 01/23/2026 1104957330 CMS
Acrotech Biopharma Inc. $26.96 08/05/2024 Food and Beverage Undisputed 01/23/2026 1147105545 CMS
Alexion Pharmaceuticals, Inc. $16.90 08/20/2024 Food and Beverage Undisputed 01/23/2026 1093938299 CMS
Astellas Pharma US Inc $21.26 09/12/2024 Food and Beverage Undisputed 01/23/2026 1139412901 CMS
AstraZeneca Pharmaceuticals LP $18.25 04/11/2024 Food and Beverage Undisputed 01/23/2026 1104572008 CMS
AstraZeneca Pharmaceuticals LP $20.73 06/27/2024 Food and Beverage Undisputed 01/23/2026 1105280693 CMS
AstraZeneca Pharmaceuticals LP $17.99 07/11/2024 Food and Beverage Undisputed 01/23/2026 1104483078 CMS
AstraZeneca Pharmaceuticals LP $33.46 08/08/2024 Food and Beverage Undisputed 01/23/2026 1105839235 CMS
AstraZeneca Pharmaceuticals LP $21.31 09/17/2024 Food and Beverage Undisputed 01/23/2026 1104771096 CMS
AstraZeneca Pharmaceuticals LP $99.94 10/10/2024 Education Undisputed 01/23/2026 1104270153 CMS
BeiGene USA, Inc. $23.17 03/26/2024 Food and Beverage Undisputed 01/23/2026 1120859751 CMS
BeiGene USA, Inc. $21.89 08/26/2024 Food and Beverage Undisputed 01/23/2026 1120859749 CMS
Celgene Corporation $21.34 02/22/2024 Food and Beverage Undisputed 01/23/2026 1101186137 CMS
Daiichi Sankyo Inc. $21.97 04/18/2024 Food and Beverage Undisputed 01/23/2026 1089452064 CMS
Daiichi Sankyo Inc. $20.72 05/17/2024 Food and Beverage Undisputed 01/23/2026 1089452066 CMS
Daiichi Sankyo Inc. $26.66 06/13/2024 Food and Beverage Undisputed 01/23/2026 1089452068 CMS
Daiichi Sankyo Inc. $6.09 06/20/2024 Food and Beverage Undisputed 01/23/2026 1089452070 CMS
Daiichi Sankyo Inc. $16.19 06/20/2024 Food and Beverage Undisputed 01/23/2026 1089452072 CMS
Daiichi Sankyo Inc. $18.86 08/08/2024 Food and Beverage Undisputed 01/23/2026 1089452074 CMS
Daiichi Sankyo Inc. $24.61 09/26/2024 Food and Beverage Undisputed 01/23/2026 1089452076 CMS
Daiichi Sankyo Inc. $21.50 10/03/2024 Food and Beverage Undisputed 01/23/2026 1089452056 CMS
Daiichi Sankyo Inc. $27.48 11/07/2024 Food and Beverage Undisputed 01/23/2026 1089452060 CMS
Daiichi Sankyo Inc. $23.33 11/11/2024 Food and Beverage Undisputed 01/23/2026 1089452058 CMS
Daiichi Sankyo Inc. $17.43 12/05/2024 Food and Beverage Undisputed 01/23/2026 1089452062 CMS
E.R. Squibb & Sons, L.L.C. $17.57 01/11/2024 Food and Beverage Undisputed 01/23/2026 1101783760 CMS
E.R. Squibb & Sons, L.L.C. $15.11 08/13/2024 Food and Beverage Undisputed 01/23/2026 1101783852 CMS
E.R. Squibb & Sons, L.L.C. $18.42 09/19/2024 Food and Beverage Undisputed 01/23/2026 1101783863 CMS
E.R. Squibb & Sons, L.L.C. $15.29 11/21/2024 Food and Beverage Undisputed 01/23/2026 1101783896 CMS
Eisai Inc. $24.54 03/26/2024 Food and Beverage Undisputed 01/23/2026 1110768897 CMS
Eisai Inc. $28.45 11/04/2024 Food and Beverage Undisputed 01/23/2026 1110768899 CMS
Fennec Pharmaceuticals, Inc. $24.28 08/01/2024 Food and Beverage Undisputed 01/23/2026 1120185830 CMS
Genentech USA, Inc. $18.69 01/19/2024 Food and Beverage Undisputed 01/23/2026 1133077573 CMS
Genentech USA, Inc. $13.75 03/07/2024 Food and Beverage Undisputed 01/23/2026 1133077593 CMS
Genentech USA, Inc. $20.67 03/28/2024 Food and Beverage Undisputed 01/23/2026 1133077568 CMS
Genentech USA, Inc. $12.34 05/02/2024 Food and Beverage Undisputed 01/23/2026 1133077589 CMS
Genentech USA, Inc. $8.04 05/08/2024 Food and Beverage Undisputed 01/23/2026 1133077585 CMS
Genentech USA, Inc. $18.03 05/23/2024 Food and Beverage Undisputed 01/23/2026 1133077577 CMS
Genentech USA, Inc. $14.71 08/15/2024 Food and Beverage Undisputed 01/23/2026 1133077581 CMS
Genentech USA, Inc. $5.92 09/19/2024 Food and Beverage Undisputed 01/23/2026 1133077597 CMS
Genentech USA, Inc. $12.80 09/19/2024 Food and Beverage Undisputed 01/23/2026 1133077602 CMS
Genentech USA, Inc. $15.15 11/21/2024 Food and Beverage Undisputed 01/23/2026 1133077606 CMS
Genentech USA, Inc. $15.95 12/19/2024 Food and Beverage Undisputed 01/23/2026 1133077610 CMS
Genmab U.S., Inc. $30.18 09/05/2024 Food and Beverage Undisputed 01/23/2026 1126830154 CMS
Gilead Sciences, Inc. $19.26 03/27/2024 Food and Beverage Undisputed 01/23/2026 1133796329 CMS
Gilead Sciences, Inc. $25.52 04/25/2024 Food and Beverage Undisputed 01/23/2026 1133796331 CMS
Gilead Sciences, Inc. $27.82 05/14/2024 Food and Beverage Undisputed 01/23/2026 1133796333 CMS
GlaxoSmithKline, LLC. $29.12 06/06/2024 Food and Beverage Undisputed 01/23/2026 1115798313 CMS
Janssen Biotech, Inc. $17.23 06/24/2024 Food and Beverage Undisputed 01/23/2026 1078550626 CMS
JAZZ PHARMACEUTICALS INC. $23.65 12/12/2024 Food and Beverage Undisputed 01/23/2026 1150212897 CMS
Karyopharm Therapeutics Inc. $15.33 12/10/2024 Food and Beverage Undisputed 01/23/2026 1145534420 CMS
Merck Sharp & Dohme LLC $18.50 03/14/2024 Food and Beverage Undisputed 01/23/2026 1141574335 CMS
Merck Sharp & Dohme LLC $33.52 09/05/2024 Food and Beverage Undisputed 01/23/2026 1141829832 CMS
Merck Sharp & Dohme LLC $31.14 11/14/2024 Food and Beverage Undisputed 01/23/2026 1141672503 CMS
Mirati Therapeutics, Inc. $23.68 01/24/2024 Food and Beverage Undisputed 01/23/2026 1117176954 CMS
Novartis Pharmaceuticals Corporation $21.14 05/06/2024 Food and Beverage Undisputed 01/23/2026 1087082010 CMS
PFIZER INC. $21.99 01/12/2024 Food and Beverage Undisputed 01/23/2026 1131303320 CMS
PFIZER INC. $22.00 02/15/2024 Food and Beverage Undisputed 01/23/2026 1131295179 CMS
PFIZER INC. $22.46 05/30/2024 Food and Beverage Undisputed 01/23/2026 1131326170 CMS
PFIZER INC. $21.43 06/11/2024 Food and Beverage Undisputed 01/23/2026 1131334744 CMS
PFIZER INC. $14.53 06/12/2024 Food and Beverage Undisputed 01/23/2026 1131554458 CMS
PFIZER INC. $21.80 06/26/2024 Food and Beverage Undisputed 01/23/2026 1131767910 CMS
PFIZER INC. $2.68 08/30/2024 Food and Beverage Undisputed 01/23/2026 1131984213 CMS
PFIZER INC. $18.96 10/01/2024 Food and Beverage Undisputed 01/23/2026 1131372745 CMS
PFIZER INC. $20.86 10/10/2024 Food and Beverage Undisputed 01/23/2026 1131371904 CMS
PFIZER INC. $22.40 10/14/2024 Food and Beverage Undisputed 01/23/2026 1132071489 CMS
PFIZER INC. $17.55 10/15/2024 Food and Beverage Undisputed 01/23/2026 1132021481 CMS
PFIZER INC. $13.04 10/26/2024 Education Undisputed 01/23/2026 1132021485 CMS
PharmaEssentia USA Corporation $26.16 10/17/2024 Food and Beverage Undisputed 01/23/2026 1137310902 CMS
PUMA BIOTECHNOLOGY, INC. $23.21 07/22/2024 Food and Beverage Undisputed 01/23/2026 1113849332 CMS
Regeneron Healthcare Solutions, Inc. $34.27 07/25/2024 Food and Beverage Undisputed 01/23/2026 1114107387 CMS
SOBI, INC $19.98 08/22/2024 Food and Beverage Undisputed 01/23/2026 1141410646 CMS
Stemline Therapeutics Inc. $29.78 05/13/2024 Food and Beverage Undisputed 01/23/2026 1142962513 CMS
Stemline Therapeutics Inc. $23.24 11/12/2024 Food and Beverage Undisputed 01/23/2026 1142962515 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.87 04/16/2024 Food and Beverage Undisputed 01/23/2026 1144962350 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
2018, 2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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