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

RONALD M WITTELES

Allopathic & Osteopathic Physicians Internal Medicine Advanced Heart Failure and Transplant Cardiology

NPI
1285779389
CMS profile
239474
Location
STANFORD, CA

General Payments · PY2018–2024

$217,852.83

  • Reported across 112 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$51,655.91

30 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
PFIZER INC. $34,407.67 12
Alnylam Pharmaceuticals Inc. $10,117.24 16
Alexion Pharmaceuticals, Inc. $5,520.00 1
Acerta Pharma LLC $1,611.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $20,044.71 13
PY2019 $18,605.96 19
PY2020 $6,000.00 2
PY2021 $14,792.50 6
PY2022 $59,580.77 23
PY2023 $47,172.98 19
PY2024 $51,655.91 30

Payment records · PY2024 (30)

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
Alexion Pharmaceuticals, Inc. $5,520.00 11/05/2024 Consulting Fee Undisputed 01/23/2026 1093956547 CMS
Alnylam Pharmaceuticals Inc. $125.00 02/29/2024 Food and Beverage Undisputed 01/23/2026 1125833739 CMS
Alnylam Pharmaceuticals Inc. $2,996.25 03/01/2024 Consulting Fee Undisputed 01/23/2026 1125833737 CMS
Alnylam Pharmaceuticals Inc. $40.00 04/05/2024 Food and Beverage Undisputed 01/23/2026 1125833767 CMS
Alnylam Pharmaceuticals Inc. $35.68 04/05/2024 Food and Beverage Undisputed 01/23/2026 1125833769 CMS
Alnylam Pharmaceuticals Inc. $55.00 04/05/2024 Food and Beverage Undisputed 01/23/2026 1125833771 CMS
Alnylam Pharmaceuticals Inc. $4,935.00 04/19/2024 Consulting Fee Undisputed 01/23/2026 1125833785 CMS
Alnylam Pharmaceuticals Inc. $35.91 04/19/2024 Travel and Lodging Undisputed 01/23/2026 1125833787 CMS
Alnylam Pharmaceuticals Inc. $36.00 04/19/2024 Travel and Lodging Undisputed 01/23/2026 1125833931 CMS
Alnylam Pharmaceuticals Inc. $20.77 04/19/2024 Travel and Lodging Undisputed 01/23/2026 1125833933 CMS
Alnylam Pharmaceuticals Inc. $298.42 04/19/2024 Travel and Lodging Undisputed 01/23/2026 1125833935 CMS
Alnylam Pharmaceuticals Inc. $138.38 04/19/2024 Food and Beverage Undisputed 01/23/2026 1125833937 CMS
Alnylam Pharmaceuticals Inc. $144.66 08/27/2024 Travel and Lodging Undisputed 01/23/2026 1125834017 CMS
Alnylam Pharmaceuticals Inc. $140.16 08/27/2024 Travel and Lodging Undisputed 01/23/2026 1125834019 CMS
Alnylam Pharmaceuticals Inc. $640.79 09/04/2024 Travel and Lodging Undisputed 01/23/2026 1125834013 CMS
Alnylam Pharmaceuticals Inc. $357.68 09/04/2024 Travel and Lodging Undisputed 01/23/2026 1125834015 CMS
Alnylam Pharmaceuticals Inc. $117.54 10/31/2024 Travel and Lodging Undisputed 01/23/2026 1125833991 CMS
AstraZeneca Pharmaceuticals LP $1,611.00 10/25/2024 Consulting Fee Undisputed 01/23/2026 1104657485 CMS
PFIZER INC. $3,300.00 05/28/2024 Consulting Fee Undisputed 01/23/2026 1131492892 CMS
PFIZER INC. $399.53 05/30/2024 Travel and Lodging Undisputed 01/23/2026 1131575907 CMS
PFIZER INC. $404.61 06/04/2024 Travel and Lodging Undisputed 01/23/2026 1131495243 CMS
PFIZER INC. $4,812.00 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 1131583070 CMS
PFIZER INC. $3,150.00 08/19/2024 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 1131531336 CMS
PFIZER INC. $6,300.00 10/10/2024 Consulting Fee Undisputed 01/23/2026 1131490216 CMS
PFIZER INC. $2,800.00 10/17/2024 Consulting Fee Undisputed 01/23/2026 1131572358 CMS
PFIZER INC. $117.54 10/31/2024 Travel and Lodging Undisputed 01/23/2026 1131579581 CMS
PFIZER INC. $1,923.99 11/04/2024 Travel and Lodging Undisputed 01/23/2026 1131506303 CMS
PFIZER INC. $4,200.00 11/08/2024 Consulting Fee Undisputed 01/23/2026 1131561541 CMS
PFIZER INC. $5,600.00 11/13/2024 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 1131497096 CMS
PFIZER INC. $1,400.00 12/31/2024 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 1131551658 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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