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

BRIAN KOFFMAN

Allopathic & Osteopathic Physicians Family Medicine

NPI
1326049164
CMS profile
104871
Location
DIAMOND BAR, CA

General Payments · PY2018–2024

$77,687.03

  • Reported across 59 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$28,331.53

15 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
Consulting Fee $15,775.00 3
Travel and Lodging $12,364.48 10
Food and Beverage $192.05 2

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
ABBVIE INC. $20,099.14 13
Eli Lilly and Company $8,125.00 1
Amgen Inc. $107.39 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $5,060.26 11
PY2019 $29,024.53 25
PY2022 $4,340.00 2
PY2023 $10,930.71 6
PY2024 $28,331.53 15

Payment records · PY2024 (15)

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

Program year 2024 2018201920222023 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. $213.67 06/11/2024 Travel and Lodging Undisputed 01/23/2026 1104191954 CMS
ABBVIE INC. $301.03 06/11/2024 Travel and Lodging Undisputed 01/23/2026 1104191956 CMS
ABBVIE INC. $301.03 06/12/2024 Travel and Lodging Undisputed 01/23/2026 1104191958 CMS
ABBVIE INC. $301.03 06/13/2024 Travel and Lodging Undisputed 01/23/2026 1104191960 CMS
ABBVIE INC. $188.60 06/13/2024 Travel and Lodging Undisputed 01/23/2026 1104191962 CMS
ABBVIE INC. $188.60 06/13/2024 Travel and Lodging Undisputed 01/23/2026 1104191964 CMS
ABBVIE INC. $188.60 06/18/2024 Travel and Lodging Undisputed 01/23/2026 1104191966 CMS
ABBVIE INC. $10,189.98 06/18/2024 Travel and Lodging Undisputed 01/23/2026 1104191968 CMS
ABBVIE INC. $4,050.00 09/18/2024 Consulting Fee Undisputed 01/23/2026 1103136369 CMS
ABBVIE INC. $84.66 09/18/2024 Food and Beverage Undisputed 01/23/2026 1104092564 CMS
ABBVIE INC. $420.92 09/18/2024 Travel and Lodging Undisputed 01/23/2026 1104191970 CMS
ABBVIE INC. $3,600.00 11/22/2024 Consulting Fee Undisputed 01/23/2026 1103136371 CMS
ABBVIE INC. $71.02 11/22/2024 Travel and Lodging Undisputed 01/23/2026 1104191972 CMS
Amgen Inc. $107.39 07/16/2024 Food and Beverage Undisputed 01/23/2026 1111622196 CMS
Eli Lilly and Company $8,125.00 07/10/2024 Consulting Fee Undisputed 01/23/2026 1136071579 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, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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