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

LORENA H TAN

Allopathic & Osteopathic Physicians Family Medicine

NPI
1417957697
CMS profile
335978
Location
LIVERMORE, CA

General Payments · PY2018–2024

$7,113.54

  • Reported across 556 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$764.74

42 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 $764.74 42

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,629.98 136
PY2019 $1,438.94 115
PY2020 $1,161.51 96
PY2021 $967.97 93
PY2022 $819.73 54
PY2023 $330.67 20
PY2024 $764.74 42

Payment records · PY2024 (42)

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. $19.94 01/12/2024 Food and Beverage Undisputed 01/23/2026 1106198706 CMS
ABBVIE INC. $24.24 03/18/2024 Food and Beverage Undisputed 01/23/2026 1106198708 CMS
Amgen Inc. $18.69 08/06/2024 Food and Beverage Undisputed 01/23/2026 1117395858 CMS
Astellas Pharma US Inc $32.07 05/24/2024 Food and Beverage Undisputed 01/23/2026 1139364125 CMS
AstraZeneca Pharmaceuticals LP $17.72 05/21/2024 Food and Beverage Undisputed 01/23/2026 1104706355 CMS
Echosens North America, Inc. $13.14 06/25/2024 Food and Beverage Undisputed 01/23/2026 1154982512 CMS
Eisai Inc. $22.48 05/31/2024 Food and Beverage Undisputed 01/23/2026 1110760932 CMS
Esperion Therapeutics, Inc. $13.96 03/11/2024 Food and Beverage Undisputed 01/23/2026 1129457336 CMS
GlaxoSmithKline, LLC. $15.43 01/24/2024 Food and Beverage Undisputed 01/23/2026 1116731182 CMS
GlaxoSmithKline, LLC. $19.17 02/14/2024 Food and Beverage Undisputed 01/23/2026 1115768554 CMS
GlaxoSmithKline, LLC. $119.74 02/15/2024 Food and Beverage Undisputed 01/23/2026 1116427212 CMS
GlaxoSmithKline, LLC. $18.11 03/21/2024 Food and Beverage Undisputed 01/23/2026 1116735700 CMS
GlaxoSmithKline, LLC. $22.97 04/17/2024 Food and Beverage Undisputed 01/23/2026 1116654915 CMS
GlaxoSmithKline, LLC. $25.61 05/16/2024 Food and Beverage Undisputed 01/23/2026 1116676735 CMS
GlaxoSmithKline, LLC. $16.29 06/12/2024 Food and Beverage Undisputed 01/23/2026 1116661589 CMS
GlaxoSmithKline, LLC. $16.87 07/24/2024 Food and Beverage Undisputed 01/23/2026 1116290703 CMS
GlaxoSmithKline, LLC. $17.54 08/21/2024 Food and Beverage Undisputed 01/23/2026 1116535788 CMS
GlaxoSmithKline, LLC. $5.83 09/17/2024 Food and Beverage Undisputed 01/23/2026 1116459249 CMS
GlaxoSmithKline, LLC. $17.46 09/19/2024 Food and Beverage Undisputed 01/23/2026 1115838464 CMS
GlaxoSmithKline, LLC. $11.72 10/02/2024 Food and Beverage Undisputed 01/23/2026 1116470470 CMS
GlaxoSmithKline, LLC. $21.77 10/17/2024 Food and Beverage Undisputed 01/23/2026 1116418140 CMS
GlaxoSmithKline, LLC. $15.31 11/13/2024 Food and Beverage Undisputed 01/23/2026 1116722831 CMS
GlaxoSmithKline, LLC. $19.43 11/14/2024 Food and Beverage Undisputed 01/23/2026 1116693997 CMS
GlaxoSmithKline, LLC. $20.36 12/11/2024 Food and Beverage Undisputed 01/23/2026 1116320384 CMS
Novo Nordisk Inc $13.25 08/29/2024 Food and Beverage Undisputed 01/23/2026 1097320041 CMS
Novo Nordisk Inc $16.53 09/27/2024 Food and Beverage Undisputed 01/23/2026 1097126147 CMS
Novo Nordisk Inc $18.67 10/16/2024 Food and Beverage Undisputed 01/23/2026 1097143634 CMS
PFIZER INC. $17.26 01/23/2024 Food and Beverage Undisputed 01/23/2026 1132005004 CMS
PFIZER INC. $9.27 02/01/2024 Food and Beverage Undisputed 01/23/2026 1132040789 CMS
PFIZER INC. $19.56 05/06/2024 Food and Beverage Undisputed 01/23/2026 1131426234 CMS
PFIZER INC. $6.97 06/07/2024 Food and Beverage Undisputed 01/23/2026 1132055020 CMS
PFIZER INC. $15.92 06/14/2024 Food and Beverage Undisputed 01/23/2026 1131653606 CMS
PFIZER INC. $1.64 06/14/2024 Food and Beverage Undisputed 01/23/2026 1132047008 CMS
PFIZER INC. $16.46 07/16/2024 Food and Beverage Undisputed 01/23/2026 1131780444 CMS
PFIZER INC. $8.90 08/16/2024 Food and Beverage Undisputed 01/23/2026 1132056864 CMS
PFIZER INC. $9.86 08/30/2024 Food and Beverage Undisputed 01/23/2026 1132056008 CMS
PFIZER INC. $15.72 09/04/2024 Food and Beverage Undisputed 01/23/2026 1131934154 CMS
PFIZER INC. $2.16 09/04/2024 Food and Beverage Undisputed 01/23/2026 1132068029 CMS
PFIZER INC. $7.80 10/08/2024 Food and Beverage Undisputed 01/23/2026 1132120870 CMS
PFIZER INC. $5.79 11/22/2024 Food and Beverage Undisputed 01/23/2026 1131169941 CMS
Phathom Pharmaceuticals, Inc. $15.89 06/13/2024 Food and Beverage Undisputed 01/23/2026 1151131883 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.24 07/16/2024 Food and Beverage Undisputed 01/23/2026 1153463244 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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