Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

YAO YAO GUAN POLLOCK

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1154692549
CMS profile
8793980
Location
SANTA ROSA, CA

General Payments · PY2020–2025

$2,348.19

  • Reported across 105 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$540.43

20 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $540.43 20

By paying entity

PY2025 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2020 $51.82 3
PY2021 $621.28 33
PY2022 $788.65 36
PY2023 $107.32 4
PY2024 $238.69 9
PY2025 $540.43 20

Payment records · PY2025 (20)

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

Program year 2025 20202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $28.04 03/21/2025 Food and Beverage Undisputed 06/30/2026 1203650214 CMS
ADC THERAPEUTICS AMERICA, INC. $29.69 12/10/2025 Food and Beverage Undisputed 06/30/2026 1246112158 CMS
AstraZeneca Pharmaceuticals LP $28.24 05/13/2025 Food and Beverage Undisputed 06/30/2026 1206208392 CMS
AstraZeneca Pharmaceuticals LP $24.91 05/21/2025 Food and Beverage Undisputed 06/30/2026 1206988095 CMS
AstraZeneca Pharmaceuticals LP $25.88 05/27/2025 Food and Beverage Undisputed 06/30/2026 1206316027 CMS
AstraZeneca Pharmaceuticals LP $33.01 11/13/2025 Food and Beverage Undisputed 06/30/2026 1206422313 CMS
Daiichi Sankyo Inc. $18.28 08/12/2025 Food and Beverage Undisputed 06/30/2026 1197036669 CMS
Daiichi Sankyo Inc. $27.09 10/22/2025 Food and Beverage Undisputed 06/30/2026 1197097169 CMS
Daiichi Sankyo Inc. $29.45 12/05/2025 Food and Beverage Undisputed 06/30/2026 1197097205 CMS
Janssen Biotech, Inc. $20.74 05/09/2025 Food and Beverage Undisputed 06/30/2026 1174829628 CMS
Janssen Biotech, Inc. $29.72 09/29/2025 Food and Beverage Undisputed 06/30/2026 1174829435 CMS
Janssen Biotech, Inc. $26.05 10/24/2025 Food and Beverage Undisputed 06/30/2026 1174828507 CMS
Lilly USA, LLC $29.53 03/06/2025 Food and Beverage Undisputed 06/30/2026 1187048959 CMS
Merck Sharp & Dohme LLC $28.16 01/30/2025 Food and Beverage Undisputed 06/30/2026 1238203314 CMS
Merck Sharp & Dohme LLC $33.71 07/11/2025 Food and Beverage Undisputed 06/30/2026 1238245773 CMS
Merck Sharp & Dohme LLC $15.15 12/16/2025 Food and Beverage Undisputed 06/30/2026 1238375538 CMS
Regeneron Pharmaceuticals, Inc. $38.33 11/11/2025 Food and Beverage Undisputed 06/30/2026 1213242335 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.26 02/04/2025 Food and Beverage Undisputed 06/30/2026 1223868104 CMS
Tempus AI, Inc $28.03 03/11/2025 Food and Beverage Undisputed 06/30/2026 1250350272 CMS
Tempus AI, Inc $25.16 07/16/2025 Food and Beverage Undisputed 06/30/2026 1250350274 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2020, 2021, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.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.