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

RENA D CALLAHAN

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1487856779
CMS profile
339946
Location
VALENCIA, CA

General Payments · PY2018–2024

$541,863.96

  • Reported across 500 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$96,801.19

92 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
Gilead Sciences, Inc. $57,864.06 55
Stemline Therapeutics Inc. $13,719.65 11
Acerta Pharma LLC $7,607.22 9
PFIZER INC. $7,250.06 6
Daiichi Sankyo Inc. $5,332.09 6
Lilly USA, LLC $2,812.50 2
NOVARTIS PHARMACEUTICALS CORPORATION $2,215.61 3

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $8,666.32 12
PY2019 $38,143.54 56
PY2020 $22,462.12 26
PY2021 $50,559.78 36
PY2022 $120,181.53 93
PY2023 $205,049.48 185
PY2024 $96,801.19 92

Payment records · PY2024 (92)

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
AstraZeneca Pharmaceuticals LP $1,350.00 03/15/2024 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 1104770464 CMS
AstraZeneca Pharmaceuticals LP $135.00 03/21/2024 Food and Beverage Undisputed 01/23/2026 1105769230 CMS
AstraZeneca Pharmaceuticals LP $350.00 03/25/2024 Grant Undisputed 01/23/2026 1104297086 CMS
AstraZeneca Pharmaceuticals LP $2,750.00 04/24/2024 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 1104399873 CMS
AstraZeneca Pharmaceuticals LP $48.25 04/25/2024 Travel and Lodging Undisputed 01/23/2026 1104298770 CMS
AstraZeneca Pharmaceuticals LP $124.99 04/25/2024 Food and Beverage Undisputed 01/23/2026 1105487093 CMS
AstraZeneca Pharmaceuticals LP $2,750.00 04/29/2024 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 1104386173 CMS
AstraZeneca Pharmaceuticals LP $63.23 06/02/2024 Food and Beverage Undisputed 01/23/2026 1105229954 CMS
AstraZeneca Pharmaceuticals LP $35.75 12/12/2024 Food and Beverage Undisputed 01/23/2026 1105524687 CMS
Daiichi Sankyo Inc. $1,200.00 02/28/2024 Consulting Fee Undisputed 01/23/2026 1089405444 CMS
Daiichi Sankyo Inc. $685.00 08/28/2024 Consulting Fee Undisputed 01/23/2026 1089405446 CMS
Daiichi Sankyo Inc. $124.88 09/19/2024 Food and Beverage Undisputed 01/23/2026 1089405442 CMS
Daiichi Sankyo Inc. $13.00 10/07/2024 Travel and Lodging Undisputed 01/23/2026 1089405438 CMS
Daiichi Sankyo Inc. $29.21 10/07/2024 Travel and Lodging Undisputed 01/23/2026 1089405440 CMS
Daiichi Sankyo Inc. $3,280.00 10/24/2024 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 1089405436 CMS
Gilead Sciences, Inc. $15.38 02/09/2024 Food and Beverage Undisputed 01/23/2026 1133843002 CMS
Gilead Sciences, Inc. $95.81 02/10/2024 Food and Beverage Undisputed 01/23/2026 1133843004 CMS
Gilead Sciences, Inc. $254.90 02/10/2024 Travel and Lodging Undisputed 01/23/2026 1133863586 CMS
Gilead Sciences, Inc. $567.88 02/10/2024 Travel and Lodging Undisputed 01/23/2026 1133863588 CMS
Gilead Sciences, Inc. $1,825.46 02/10/2024 Travel and Lodging Undisputed 01/23/2026 1133863590 CMS
Gilead Sciences, Inc. $6,720.00 02/15/2024 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 1133604610 CMS
Gilead Sciences, Inc. $107.76 02/27/2024 Food and Beverage Undisputed 01/23/2026 1133766659 CMS
Gilead Sciences, Inc. $3,950.00 02/29/2024 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 1133604612 CMS
Gilead Sciences, Inc. $19.15 03/13/2024 Travel and Lodging Undisputed 01/23/2026 1133863592 CMS
Gilead Sciences, Inc. $38.29 03/29/2024 Food and Beverage Undisputed 01/23/2026 1133766661 CMS
Gilead Sciences, Inc. $50.00 03/29/2024 Food and Beverage Undisputed 01/23/2026 1133766663 CMS
Gilead Sciences, Inc. $54.45 03/29/2024 Food and Beverage Undisputed 01/23/2026 1133766665 CMS
Gilead Sciences, Inc. $10.00 03/29/2024 Travel and Lodging Undisputed 01/23/2026 1133863594 CMS
Gilead Sciences, Inc. $8.12 04/19/2024 Food and Beverage Undisputed 01/23/2026 1133766667 CMS
Gilead Sciences, Inc. $125.00 04/19/2024 Food and Beverage Undisputed 01/23/2026 1133766669 CMS
Gilead Sciences, Inc. $38.81 04/19/2024 Food and Beverage Undisputed 01/23/2026 1133843006 CMS
Gilead Sciences, Inc. $14.98 04/20/2024 Food and Beverage Undisputed 01/23/2026 1133766671 CMS
Gilead Sciences, Inc. $24.89 04/20/2024 Food and Beverage Undisputed 01/23/2026 1133766673 CMS
Gilead Sciences, Inc. $49.98 04/20/2024 Food and Beverage Undisputed 01/23/2026 1133766675 CMS
Gilead Sciences, Inc. $49.98 04/20/2024 Food and Beverage Undisputed 01/23/2026 1133766677 CMS
Gilead Sciences, Inc. $44.00 04/20/2024 Travel and Lodging Undisputed 01/23/2026 1133863596 CMS
Gilead Sciences, Inc. $70.00 04/20/2024 Travel and Lodging Undisputed 01/23/2026 1133863598 CMS
Gilead Sciences, Inc. $238.73 04/20/2024 Travel and Lodging Undisputed 01/23/2026 1133863600 CMS
Gilead Sciences, Inc. $303.97 04/20/2024 Travel and Lodging Undisputed 01/23/2026 1133863602 CMS
Gilead Sciences, Inc. $642.20 04/20/2024 Travel and Lodging Undisputed 01/23/2026 1133863604 CMS
Gilead Sciences, Inc. $4.50 04/21/2024 Food and Beverage Undisputed 01/23/2026 1133766679 CMS
Gilead Sciences, Inc. $149.99 04/24/2024 Food and Beverage Undisputed 01/23/2026 1133766681 CMS
Gilead Sciences, Inc. $3,950.00 04/26/2024 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 1133604614 CMS
Gilead Sciences, Inc. $135.03 05/02/2024 Food and Beverage Undisputed 01/23/2026 1133766683 CMS
Gilead Sciences, Inc. $345.46 05/02/2024 Travel and Lodging Undisputed 01/23/2026 1133863606 CMS
Gilead Sciences, Inc. $381.61 05/02/2024 Travel and Lodging Undisputed 01/23/2026 1133863608 CMS
Gilead Sciences, Inc. $2,369.68 05/02/2024 Travel and Lodging Undisputed 01/23/2026 1133863610 CMS
Gilead Sciences, Inc. $51.19 05/06/2024 Travel and Lodging Undisputed 01/23/2026 1133863612 CMS
Gilead Sciences, Inc. $6,720.00 05/08/2024 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 1133604616 CMS
Gilead Sciences, Inc. $125.00 05/09/2024 Food and Beverage Undisputed 01/23/2026 1133766685 CMS
Gilead Sciences, Inc. $3,950.00 05/14/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1133604618 CMS
Gilead Sciences, Inc. $6,910.00 05/21/2024 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 1133604620 CMS
Gilead Sciences, Inc. $43.01 05/28/2024 Travel and Lodging Undisputed 01/23/2026 1133863614 CMS
Gilead Sciences, Inc. $17.31 06/03/2024 Food and Beverage Undisputed 01/23/2026 1133843008 CMS
Gilead Sciences, Inc. $80.77 06/03/2024 Food and Beverage Undisputed 01/23/2026 1133843010 CMS
Gilead Sciences, Inc. $3.19 06/07/2024 Food and Beverage Undisputed 01/23/2026 1133843012 CMS
Gilead Sciences, Inc. $1,980.00 06/14/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1133604622 CMS
Gilead Sciences, Inc. $27.75 06/21/2024 Food and Beverage Undisputed 01/23/2026 1133766687 CMS
Gilead Sciences, Inc. $9.00 06/21/2024 Travel and Lodging Undisputed 01/23/2026 1133863616 CMS
Gilead Sciences, Inc. $16.32 08/23/2024 Food and Beverage Undisputed 01/23/2026 1133843014 CMS
Gilead Sciences, Inc. $106.67 10/17/2024 Food and Beverage Undisputed 01/23/2026 1133766689 CMS
Gilead Sciences, Inc. $736.47 10/17/2024 Travel and Lodging Undisputed 01/23/2026 1133863618 CMS
Gilead Sciences, Inc. $1,980.00 10/18/2024 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 1133604624 CMS
Gilead Sciences, Inc. $5,140.00 10/23/2024 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 1133604626 CMS
Gilead Sciences, Inc. $120.60 11/20/2024 Food and Beverage Undisputed 01/23/2026 1133766691 CMS
Gilead Sciences, Inc. $653.34 11/20/2024 Travel and Lodging Undisputed 01/23/2026 1133863620 CMS
Gilead Sciences, Inc. $5,140.00 11/26/2024 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 1133604628 CMS
Gilead Sciences, Inc. $83.91 12/10/2024 Food and Beverage Undisputed 01/23/2026 1133766693 CMS
Gilead Sciences, Inc. $1,200.00 12/12/2024 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 1133608820 CMS
Gilead Sciences, Inc. $113.52 12/12/2024 Food and Beverage Undisputed 01/23/2026 1133766695 CMS
Lilly USA, LLC $2,187.50 04/25/2024 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 1135356164 CMS
Lilly USA, LLC $625.00 07/01/2024 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 1135363037 CMS
Novartis Pharmaceuticals Corporation $2,025.00 06/02/2024 Consulting Fee Undisputed 01/23/2026 1086754127 CMS
Novartis Pharmaceuticals Corporation $140.94 06/02/2024 Food and Beverage Undisputed 01/23/2026 1086754129 CMS
Novartis Pharmaceuticals Corporation $49.67 12/12/2024 Food and Beverage Undisputed 01/23/2026 1086754131 CMS
PFIZER INC. $1,532.41 01/23/2024 Travel and Lodging Undisputed 01/23/2026 1131171260 CMS
PFIZER INC. $29.95 01/30/2024 Travel and Lodging Undisputed 01/23/2026 1131171407 CMS
PFIZER INC. $76.86 02/10/2024 Food and Beverage Undisputed 01/23/2026 1131013846 CMS
PFIZER INC. $4,000.00 02/15/2024 Travel and Lodging Undisputed 01/23/2026 1131201954 CMS
PFIZER INC. $1,575.00 05/16/2024 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 1131481009 CMS
PFIZER INC. $35.84 12/11/2024 Food and Beverage Undisputed 01/23/2026 1131267303 CMS
Stemline Therapeutics Inc. $122.77 03/07/2024 Food and Beverage Undisputed 01/23/2026 1142963358 CMS
Stemline Therapeutics Inc. $4,290.00 04/08/2024 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 1142963352 CMS
Stemline Therapeutics Inc. $1,578.71 04/08/2024 Travel and Lodging Undisputed 01/23/2026 1142963354 CMS
Stemline Therapeutics Inc. $318.93 04/08/2024 Travel and Lodging Undisputed 01/23/2026 1142963356 CMS
Stemline Therapeutics Inc. $81.62 06/02/2024 Food and Beverage Undisputed 01/23/2026 1142963362 CMS
Stemline Therapeutics Inc. $1,560.00 06/11/2024 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 1142963360 CMS
Stemline Therapeutics Inc. $2,340.00 09/05/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1142963370 CMS
Stemline Therapeutics Inc. $3,120.00 09/28/2024 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 1142963364 CMS
Stemline Therapeutics Inc. $17.63 09/28/2024 Food and Beverage Undisputed 01/23/2026 1142963366 CMS
Stemline Therapeutics Inc. $258.47 09/28/2024 Travel and Lodging Undisputed 01/23/2026 1142963368 CMS
Stemline Therapeutics Inc. $31.52 12/11/2024 Food and Beverage Undisputed 01/23/2026 1142963372 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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