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

PAUL R MERCER

Allopathic & Osteopathic Physicians Family Medicine

NPI
1649224098
CMS profile
165546
Location
WHITTIER, CA

General Payments · PY2018–2024

$835.49

  • Reported across 52 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$163.94

7 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 $163.94 7

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Exact Sciences Corporation $54.48 2
Acerta Pharma LLC $52.45 2
Lilly USA, LLC $23.40 1
Alexion Pharmaceuticals, Inc. $18.48 1
ViiV Healthcare Company $15.13 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $105.13 6
PY2019 $193.16 22
PY2020 $41.69 3
PY2022 $59.09 3
PY2023 $272.48 11
PY2024 $163.94 7

Payment records · PY2024 (7)

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

Program year 2024 20182019202020222023 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. $18.48 11/13/2024 Food and Beverage Undisputed 01/23/2026 1093962748 CMS
AstraZeneca Pharmaceuticals LP $28.66 03/05/2024 Food and Beverage Undisputed 01/23/2026 1104597546 CMS
AstraZeneca Pharmaceuticals LP $23.79 03/21/2024 Food and Beverage Undisputed 01/23/2026 1104671657 CMS
Exact Sciences Corporation $30.01 04/25/2024 Food and Beverage Undisputed 01/23/2026 1114786399 CMS
Exact Sciences Corporation $24.47 11/07/2024 Food and Beverage Undisputed 01/23/2026 1114786405 CMS
Lilly USA, LLC $23.40 07/23/2024 Food and Beverage Undisputed 01/23/2026 1135285849 CMS
ViiV Healthcare Company $15.13 05/07/2024 Food and Beverage Undisputed 01/23/2026 1112771392 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, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , 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.