Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

JAMES M CHAMBERLAIN

Allopathic & Osteopathic Physicians Family Medicine

NPI
1437150042
CMS profile
291441
Location
QUEENSTOWN, MD

General Payments · PY2019–2025

$8,045.93

  • Reported across 467 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$1,037.87

57 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,037.87 57

By paying entity

PY2025 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $1,476.05 103
PY2020 $958.04 55
PY2021 $1,368.21 76
PY2022 $936.31 53
PY2023 $1,202.29 66
PY2024 $1,067.16 57
PY2025 $1,037.87 57

Payment records · PY2025 (57)

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

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Abbott Laboratories $18.35 01/27/2025 Food and Beverage Undisputed 06/30/2026 1240899322 CMS
Abbott Laboratories $24.93 11/07/2025 Food and Beverage Undisputed 06/30/2026 1241010137 CMS
ABBVIE INC. $14.18 01/16/2025 Food and Beverage Undisputed 06/30/2026 1201626794 CMS
ABBVIE INC. $17.12 01/29/2025 Food and Beverage Undisputed 06/30/2026 1201626796 CMS
ABBVIE INC. $23.32 06/04/2025 Food and Beverage Undisputed 06/30/2026 1201626798 CMS
Amgen Inc. $15.21 02/18/2025 Food and Beverage Undisputed 06/30/2026 1228468170 CMS
Amgen Inc. $15.25 07/29/2025 Food and Beverage Undisputed 06/30/2026 1228468166 CMS
Amgen Inc. $15.16 10/28/2025 Food and Beverage Undisputed 06/30/2026 1228468168 CMS
Astellas Pharma US Inc $21.10 02/06/2025 Food and Beverage Undisputed 06/30/2026 1238739518 CMS
AstraZeneca Pharmaceuticals LP $26.75 02/27/2025 Food and Beverage Undisputed 06/30/2026 1206346343 CMS
AstraZeneca Pharmaceuticals LP $16.68 03/25/2025 Food and Beverage Undisputed 06/30/2026 1206312184 CMS
AstraZeneca Pharmaceuticals LP $14.79 05/22/2025 Food and Beverage Undisputed 06/30/2026 1206530430 CMS
AstraZeneca Pharmaceuticals LP $18.24 10/01/2025 Food and Beverage Undisputed 06/30/2026 1207079733 CMS
Axsome Therapeutics, Inc. $9.33 01/27/2025 Food and Beverage Undisputed 06/30/2026 1235759774 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.65 09/23/2025 Food and Beverage Undisputed 06/30/2026 1225490453 CMS
Dexcom, Inc. $22.92 02/04/2025 Food and Beverage Undisputed 06/30/2026 1250491312 CMS
Dexcom, Inc. $19.35 06/10/2025 Food and Beverage Undisputed 06/30/2026 1250491314 CMS
Exact Sciences Corporation $17.74 03/11/2025 Food and Beverage Undisputed 06/30/2026 1235282937 CMS
Exact Sciences Corporation $17.76 04/22/2025 Food and Beverage Undisputed 06/30/2026 1235282939 CMS
Exact Sciences Corporation $22.31 05/28/2025 Food and Beverage Undisputed 06/30/2026 1235282941 CMS
GlaxoSmithKline, LLC. $17.37 07/09/2025 Food and Beverage Undisputed 06/30/2026 1190957981 CMS
Insulet Corporation $22.82 04/23/2025 Food and Beverage Undisputed 06/30/2026 1207142648 CMS
Merck Sharp & Dohme LLC $30.05 01/23/2025 Food and Beverage Undisputed 06/30/2026 1238357487 CMS
Merck Sharp & Dohme LLC $32.37 03/06/2025 Food and Beverage Undisputed 06/30/2026 1238021578 CMS
Merck Sharp & Dohme LLC $23.84 05/20/2025 Food and Beverage Undisputed 06/30/2026 1238211738 CMS
Merck Sharp & Dohme LLC $21.14 11/04/2025 Food and Beverage Undisputed 06/30/2026 1238266498 CMS
Novo Nordisk Inc $17.68 01/09/2025 Food and Beverage Undisputed 06/30/2026 1188219295 CMS
Novo Nordisk Inc $11.35 02/17/2025 Food and Beverage Undisputed 06/30/2026 1188850463 CMS
Novo Nordisk Inc $22.22 02/25/2025 Food and Beverage Undisputed 06/30/2026 1188451895 CMS
Novo Nordisk Inc $18.25 04/08/2025 Food and Beverage Undisputed 06/30/2026 1188611927 CMS
Novo Nordisk Inc $15.55 04/18/2025 Food and Beverage Undisputed 06/30/2026 1188153811 CMS
Novo Nordisk Inc $17.67 05/19/2025 Food and Beverage Undisputed 06/30/2026 1188180376 CMS
Novo Nordisk Inc $20.72 05/29/2025 Food and Beverage Undisputed 06/30/2026 1188152362 CMS
Novo Nordisk Inc $16.91 06/17/2025 Food and Beverage Undisputed 06/30/2026 1188174549 CMS
Novo Nordisk Inc $1.13 06/17/2025 Food and Beverage Undisputed 06/30/2026 1188296916 CMS
Novo Nordisk Inc $22.80 07/22/2025 Food and Beverage Undisputed 06/30/2026 1188183028 CMS
Novo Nordisk Inc $17.68 07/23/2025 Food and Beverage Undisputed 06/30/2026 1188422654 CMS
Novo Nordisk Inc $17.67 08/16/2025 Food and Beverage Undisputed 06/30/2026 1188147833 CMS
Novo Nordisk Inc $17.68 09/18/2025 Food and Beverage Undisputed 06/30/2026 1188198665 CMS
Novo Nordisk Inc $17.73 09/30/2025 Food and Beverage Undisputed 06/30/2026 1188317095 CMS
Novo Nordisk Inc $15.56 11/14/2025 Food and Beverage Undisputed 06/30/2026 1188758895 CMS
PFIZER INC. $23.09 01/30/2025 Food and Beverage Undisputed 06/30/2026 1231266425 CMS
PFIZER INC. $5.27 02/06/2025 Food and Beverage Undisputed 06/30/2026 1230088175 CMS
PFIZER INC. $4.18 02/06/2025 Food and Beverage Undisputed 06/30/2026 1231378062 CMS
PFIZER INC. $20.13 02/26/2025 Food and Beverage Undisputed 06/30/2026 1229230072 CMS
PFIZER INC. $18.79 03/03/2025 Food and Beverage Undisputed 06/30/2026 1231543454 CMS
PFIZER INC. $18.51 03/05/2025 Food and Beverage Undisputed 06/30/2026 1231408146 CMS
PFIZER INC. $13.51 05/14/2025 Food and Beverage Undisputed 06/30/2026 1228871122 CMS
PFIZER INC. $9.29 05/17/2025 Food and Beverage Undisputed 06/30/2026 1228858815 CMS
PFIZER INC. $28.89 08/13/2025 Food and Beverage Undisputed 06/30/2026 1229264055 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.45 01/02/2025 Food and Beverage Undisputed 06/30/2026 1231913694 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.98 03/06/2025 Food and Beverage Undisputed 06/30/2026 1231913697 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $14.04 12/15/2025 Food and Beverage Undisputed 06/30/2026 1231913700 CMS
Sumitomo Pharma America, Inc. $21.50 10/29/2025 Food and Beverage Undisputed 06/30/2026 1176620285 CMS
Tactile Systems Technology Inc $19.49 09/09/2025 Food and Beverage Undisputed 06/30/2026 1180547880 CMS
Tactile Systems Technology Inc $20.90 11/05/2025 Food and Beverage Undisputed 06/30/2026 1180547882 CMS
Tactile Systems Technology Inc $19.52 11/25/2025 Food and Beverage Undisputed 06/30/2026 1180547884 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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