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

DAVIDSON H HAMER

Allopathic & Osteopathic Physicians Internal Medicine Infectious Disease

NPI
1790741841
CMS profile
1182929
Location
BOSTON, MA

General Payments · PY2018–2024

$83,851.67

  • Reported across 65 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$30,888.61

17 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 $25,699.00 6
Travel and Lodging $5,024.62 4
Food and Beverage $164.99 7

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Takeda Pharmaceuticals U.S.A., Inc. $22,120.40 9
Bavarian Nordic A/S $5,049.00 3
Valneva USA, Inc. $3,719.21 5

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $4,502.74 3
PY2019 $2,945.20 4
PY2021 $8,860.00 5
PY2022 $23,725.39 18
PY2023 $12,929.73 18
PY2024 $30,888.61 17

Payment records · PY2024 (17)

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

Program year 2024 20182019202120222023 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
Bavarian Nordic A/S $1,782.00 07/19/2024 Consulting Fee Undisputed 01/23/2026 1119662505 CMS
Bavarian Nordic A/S $1,485.00 11/11/2024 Consulting Fee Undisputed 01/23/2026 1119662507 CMS
Bavarian Nordic A/S $1,782.00 11/19/2024 Consulting Fee Undisputed 01/23/2026 1119662509 CMS
Takeda Pharmaceuticals U.S.A., Inc. $47.37 11/26/2024 Food and Beverage Undisputed 01/23/2026 1137569195 CMS
Takeda Pharmaceuticals U.S.A., Inc. $14.66 11/26/2024 Food and Beverage Undisputed 01/23/2026 1137569199 CMS
Takeda Pharmaceuticals U.S.A., Inc. $4.17 11/26/2024 Food and Beverage Undisputed 01/23/2026 1137569203 CMS
Takeda Pharmaceuticals U.S.A., Inc. $29.58 11/27/2024 Food and Beverage Undisputed 01/23/2026 1137569206 CMS
Takeda Pharmaceuticals U.S.A., Inc. $4,121.55 11/30/2024 Travel and Lodging Undisputed 01/23/2026 1137569210 CMS
Takeda Pharmaceuticals U.S.A., Inc. $50.00 12/23/2024 Travel and Lodging Undisputed 01/23/2026 1137569213 CMS
Takeda Pharmaceuticals U.S.A., Inc. $50.00 12/23/2024 Travel and Lodging Undisputed 01/23/2026 1137569217 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17,000.00 12/23/2024 Consulting Fee Undisputed 01/23/2026 1137569220 CMS
Takeda Pharmaceuticals U.S.A., Inc. $803.07 12/27/2024 Travel and Lodging Undisputed 01/23/2026 1137569224 CMS
Valneva Usa, Inc. $500.00 01/10/2024 Consulting Fee Undisputed 01/23/2026 1121128226 CMS
Valneva Usa, Inc. $21.49 04/09/2024 Food and Beverage Undisputed 01/23/2026 1121128280 CMS
Valneva Usa, Inc. $27.06 07/24/2024 Food and Beverage Undisputed 01/23/2026 1121128282 CMS
Valneva Usa, Inc. $20.66 09/09/2024 Food and Beverage Undisputed 01/23/2026 1121128326 CMS
Valneva Usa, Inc. $3,150.00 12/04/2024 Consulting Fee Undisputed 01/23/2026 1121128232 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, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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