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

MICHAEL J BIRRER

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1164643714
CMS profile
52479
Location
BIRMINGHAM, AL

General Payments · PY2018–2024

$368,492.36

  • Reported across 341 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$11,380.93

18 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 $10,512.50 6
Food and Beverage $807.73 11
Travel and Lodging $60.70 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
GlaxoSmithKline, LLC. $5,779.26 5
Merck Sharp & Dohme Corporation $2,215.13 2
EMD Serono Research & Development Institute, Inc. $1,597.50 1
EISAI INC. $1,394.66 5
Acerta Pharma LLC $212.00 3
PFIZER INC. $93.38 1
Aadi Bioscience, Inc. $89.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $85,666.65 86
PY2019 $126,213.08 113
PY2020 $59,908.29 37
PY2021 $42,715.46 28
PY2022 $22,174.17 35
PY2023 $20,433.78 24
PY2024 $11,380.93 18

Payment records · PY2024 (18)

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
Aadi Bioscience, Inc. $89.00 03/16/2024 Food and Beverage Undisputed 01/23/2026 1119596279 CMS
AstraZeneca Pharmaceuticals LP $93.16 01/10/2024 Food and Beverage Undisputed 01/23/2026 1105533134 CMS
AstraZeneca Pharmaceuticals LP $73.18 04/22/2024 Food and Beverage Undisputed 01/23/2026 1105591700 CMS
AstraZeneca Pharmaceuticals LP $45.66 06/01/2024 Food and Beverage Undisputed 01/23/2026 1105415316 CMS
Eisai Inc. $680.00 01/03/2024 Consulting Fee Undisputed 01/23/2026 1110765473 CMS
Eisai Inc. $81.53 03/16/2024 Food and Beverage Undisputed 01/23/2026 1110765467 CMS
Eisai Inc. $63.88 10/16/2024 Food and Beverage Undisputed 01/23/2026 1110765471 CMS
Eisai Inc. $500.00 10/16/2024 Consulting Fee Undisputed 01/23/2026 1110765475 CMS
Eisai Inc. $69.25 10/18/2024 Food and Beverage Undisputed 01/23/2026 1110765469 CMS
EMD Serono Research & Development Institute, Inc. $1,597.50 10/07/2024 Consulting Fee Undisputed 01/23/2026 1120217444 CMS
GlaxoSmithKline, LLC. $106.22 06/01/2024 Food and Beverage Undisputed 01/23/2026 1116175173 CMS
GlaxoSmithKline, LLC. $12.34 06/01/2024 Food and Beverage Undisputed 01/23/2026 1116231177 CMS
GlaxoSmithKline, LLC. $60.70 06/01/2024 Travel and Lodging Undisputed 01/23/2026 1116729262 CMS
GlaxoSmithKline, LLC. $2,800.00 07/22/2024 Consulting Fee Undisputed 01/23/2026 1116125347 CMS
GlaxoSmithKline, LLC. $2,800.00 12/23/2024 Consulting Fee Undisputed 01/23/2026 1116125353 CMS
Merck Sharp & Dohme LLC $2,135.00 01/29/2024 Consulting Fee Undisputed 01/23/2026 1141559990 CMS
Merck Sharp & Dohme LLC $80.13 08/26/2024 Food and Beverage Undisputed 01/23/2026 1141630642 CMS
PFIZER INC. $93.38 08/29/2024 Food and Beverage Undisputed 01/23/2026 1132022087 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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