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

ROY F CHEMALY

Allopathic & Osteopathic Physicians Internal Medicine Infectious Disease

NPI
1609976521
CMS profile
118919
Location
HOUSTON, TX

General Payments · PY2018–2024

$677,941.45

  • Reported across 426 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$59,711.32

43 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 $29,863.46 21
Takeda Pharmaceuticals U.S.A., Inc. $12,580.00 4
Gilead Sciences, Inc. $6,228.27 8
PFIZER INC. $3,500.00 4
Acerta Pharma LLC $3,000.00 1
ABBVIE INC. $2,789.59 4
Invivyd Inc $1,750.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $124,855.52 119
PY2019 $153,026.04 139
PY2020 $30,293.00 11
PY2021 $56,980.00 21
PY2022 $112,960.58 41
PY2023 $140,114.99 52
PY2024 $59,711.32 43

Payment records · PY2024 (43)

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. $22.20 10/16/2024 Food and Beverage Undisputed 01/23/2026 1103451066 CMS
ABBVIE INC. $45.65 10/16/2024 Food and Beverage Undisputed 01/23/2026 1103451068 CMS
ABBVIE INC. $21.74 10/16/2024 Food and Beverage Undisputed 01/23/2026 1103451070 CMS
ABBVIE INC. $2,700.00 11/15/2024 Consulting Fee Undisputed 01/23/2026 1103132799 CMS
AstraZeneca Pharmaceuticals LP $3,000.00 07/12/2024 Consulting Fee Undisputed 01/23/2026 1104579920 CMS
Gilead Sciences, Inc. $150.00 11/14/2024 Food and Beverage Undisputed 01/23/2026 1133821808 CMS
Gilead Sciences, Inc. $336.59 11/14/2024 Travel and Lodging Undisputed 01/23/2026 1133868778 CMS
Gilead Sciences, Inc. $362.96 11/14/2024 Travel and Lodging Undisputed 01/23/2026 1133868780 CMS
Gilead Sciences, Inc. $59.99 11/15/2024 Food and Beverage Undisputed 01/23/2026 1133821810 CMS
Gilead Sciences, Inc. $59.99 11/15/2024 Food and Beverage Undisputed 01/23/2026 1133821812 CMS
Gilead Sciences, Inc. $59.99 11/15/2024 Food and Beverage Undisputed 01/23/2026 1133821814 CMS
Gilead Sciences, Inc. $48.75 11/15/2024 Travel and Lodging Undisputed 01/23/2026 1133868782 CMS
Gilead Sciences, Inc. $5,150.00 12/06/2024 Consulting Fee Undisputed 01/23/2026 1133599885 CMS
Invivyd Inc $1,750.00 09/20/2024 Consulting Fee Undisputed 01/23/2026 1147384215 CMS
Merck Sharp & Dohme LLC $189.23 04/13/2024 Travel and Lodging Undisputed 01/23/2026 1141642088 CMS
Merck Sharp & Dohme LLC $5,580.00 04/17/2024 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 1141583691 CMS
Merck Sharp & Dohme LLC $150.00 04/17/2024 Travel and Lodging Undisputed 01/23/2026 1141583697 CMS
Merck Sharp & Dohme LLC $41.23 04/27/2024 Food and Beverage Undisputed 01/23/2026 1141921282 CMS
Merck Sharp & Dohme LLC $3,255.00 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 1141583291 CMS
Merck Sharp & Dohme LLC $150.00 05/08/2024 Travel and Lodging Undisputed 01/23/2026 1141583695 CMS
Merck Sharp & Dohme LLC $1,627.50 05/20/2024 Consulting Fee Undisputed 01/23/2026 1141583281 CMS
Merck Sharp & Dohme LLC $3,255.00 06/10/2024 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 1141583279 CMS
Merck Sharp & Dohme LLC $8,358.40 10/08/2024 Travel and Lodging Undisputed 01/23/2026 1141642084 CMS
Merck Sharp & Dohme LLC $429.33 10/09/2024 Travel and Lodging Undisputed 01/23/2026 1141642086 CMS
Merck Sharp & Dohme LLC $104.36 10/09/2024 Travel and Lodging Undisputed 01/23/2026 1141642092 CMS
Merck Sharp & Dohme LLC $85.63 10/10/2024 Food and Beverage Undisputed 01/23/2026 1141638702 CMS
Merck Sharp & Dohme LLC $72.12 10/10/2024 Travel and Lodging Undisputed 01/23/2026 1141638704 CMS
Merck Sharp & Dohme LLC $429.33 10/10/2024 Travel and Lodging Undisputed 01/23/2026 1141642090 CMS
Merck Sharp & Dohme LLC $36.40 10/10/2024 Food and Beverage Undisputed 01/23/2026 1141851168 CMS
Merck Sharp & Dohme LLC $214.67 10/11/2024 Travel and Lodging Undisputed 01/23/2026 1141638698 CMS
Merck Sharp & Dohme LLC $25.45 10/11/2024 Travel and Lodging Undisputed 01/23/2026 1141638700 CMS
Merck Sharp & Dohme LLC $104.36 10/11/2024 Travel and Lodging Undisputed 01/23/2026 1141851164 CMS
Merck Sharp & Dohme LLC $25.45 10/11/2024 Travel and Lodging Undisputed 01/23/2026 1141851166 CMS
Merck Sharp & Dohme LLC $150.00 12/16/2024 Travel and Lodging Undisputed 01/23/2026 1141583689 CMS
Merck Sharp & Dohme LLC $5,580.00 12/16/2024 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 1141583693 CMS
PFIZER INC. $1,000.00 05/01/2024 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 1132064332 CMS
PFIZER INC. $1,000.00 07/05/2024 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 1132064334 CMS
PFIZER INC. $500.00 08/13/2024 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 1132064336 CMS
PFIZER INC. $1,000.00 10/22/2024 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 1132064606 CMS
Takeda Pharmaceuticals U.S.A., Inc. $1,700.00 03/24/2024 Consulting Fee Undisputed 01/23/2026 1137509021 CMS
Takeda Pharmaceuticals U.S.A., Inc. $3,400.00 04/08/2024 Consulting Fee Undisputed 01/23/2026 1137509025 CMS
Takeda Pharmaceuticals U.S.A., Inc. $4,760.00 05/24/2024 Consulting Fee Undisputed 01/23/2026 1137509028 CMS
Takeda Pharmaceuticals U.S.A., Inc. $2,720.00 07/10/2024 Consulting Fee Undisputed 01/23/2026 1137509032 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

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.