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

BARRY W COHAN

Allopathic & Osteopathic Physicians Internal Medicine Endocrinology, Diabetes & Metabolism

NPI
1477646750
CMS profile
202510
Location
GREAT FALLS, MT

General Payments · PY2018–2019

$15,964.72

  • Reported across 116 records
  • CMS publication 2026-01-23

Latest program year · PY2019

$10,508.69

54 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

PY2019 · sorted by reported total

By paying entity

PY2019 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $5,456.03 62
PY2019 $10,508.69 54

Payment records · PY2019 (54)

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

Program year 2019 2018 Record-level detail is published for PY2019; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Amgen Inc. $19.63 02/13/2019 Food and Beverage Undisputed 01/23/2026 662204763 CMS
Amgen Inc. $65.00 10/01/2019 Food and Beverage Undisputed 01/23/2026 662204761 CMS
AstraZeneca Pharmaceuticals LP $13.00 01/25/2019 Food and Beverage Undisputed 01/23/2026 685704989 CMS
AstraZeneca Pharmaceuticals LP $65.81 02/14/2019 Food and Beverage Undisputed 01/23/2026 685145283 CMS
AstraZeneca Pharmaceuticals LP $12.13 02/15/2019 Food and Beverage Undisputed 01/23/2026 685104767 CMS
AstraZeneca Pharmaceuticals LP $6.00 02/22/2019 Education Undisputed 01/23/2026 685156967 CMS
AstraZeneca Pharmaceuticals LP $13.41 05/03/2019 Food and Beverage Undisputed 01/23/2026 685318417 CMS
AstraZeneca Pharmaceuticals LP $15.31 11/15/2019 Food and Beverage Undisputed 01/23/2026 685155865 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $13.67 12/04/2019 Food and Beverage Undisputed 01/23/2026 700474373 CMS
Insulet Corporation $11.66 07/31/2019 Food and Beverage Undisputed 01/23/2026 705021063 CMS
Medtronic MiniMed, Inc. $15.82 05/23/2019 Food and Beverage Undisputed 01/23/2026 648791219 CMS
Medtronic MiniMed, Inc. $13.61 10/24/2019 Food and Beverage Undisputed 01/23/2026 648800779 CMS
Merck Sharp & Dohme Corporation $7.44 02/06/2019 Food and Beverage Undisputed 01/23/2026 695338247 CMS
Merck Sharp & Dohme Corporation $6.74 02/26/2019 Food and Beverage Undisputed 01/23/2026 695309519 CMS
Merck Sharp & Dohme Corporation $150.00 03/04/2019 Travel and Lodging Undisputed 01/23/2026 695307821 CMS
Merck Sharp & Dohme Corporation $2,310.00 03/04/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 695307825 CMS
Merck Sharp & Dohme Corporation $8.35 03/12/2019 Food and Beverage Undisputed 01/23/2026 695340967 CMS
Merck Sharp & Dohme Corporation $150.00 03/18/2019 Travel and Lodging Undisputed 01/23/2026 695372059 CMS
Merck Sharp & Dohme Corporation $2,310.00 03/18/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 695372165 CMS
Merck Sharp & Dohme Corporation $8.05 03/22/2019 Food and Beverage Undisputed 01/23/2026 695423695 CMS
Merck Sharp & Dohme Corporation $6.53 06/18/2019 Food and Beverage Undisputed 01/23/2026 695588975 CMS
Merck Sharp & Dohme Corporation $2,310.00 06/25/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 695603675 CMS
Merck Sharp & Dohme Corporation $150.00 06/25/2019 Travel and Lodging Undisputed 01/23/2026 695603679 CMS
Merck Sharp & Dohme Corporation $9.50 07/10/2019 Food and Beverage Undisputed 01/23/2026 695692387 CMS
Merck Sharp & Dohme Corporation $4.79 08/23/2019 Food and Beverage Undisputed 01/23/2026 695757961 CMS
Merck Sharp & Dohme Corporation $17.38 10/03/2019 Food and Beverage Undisputed 01/23/2026 695818465 CMS
Merck Sharp & Dohme Corporation $9.50 10/24/2019 Food and Beverage Undisputed 01/23/2026 695875903 CMS
Merck Sharp & Dohme Corporation $8.89 12/13/2019 Food and Beverage Undisputed 01/23/2026 695859451 CMS
Merck Sharp & Dohme Corporation $150.00 12/16/2019 Travel and Lodging Undisputed 01/23/2026 695859449 CMS
Merck Sharp & Dohme Corporation $2,310.00 12/16/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 695861403 CMS
Novo Nordisk Inc $3.83 01/10/2019 Food and Beverage Undisputed 01/23/2026 682899360 CMS
Novo Nordisk Inc $7.65 01/10/2019 Food and Beverage Undisputed 01/23/2026 682899381 CMS
Novo Nordisk Inc $3.90 01/16/2019 Food and Beverage Undisputed 01/23/2026 682899365 CMS
Novo Nordisk Inc $4.80 01/16/2019 Food and Beverage Undisputed 01/23/2026 682899372 CMS
Novo Nordisk Inc $2.10 02/08/2019 Food and Beverage Undisputed 01/23/2026 682899355 CMS
Novo Nordisk Inc $9.92 02/08/2019 Food and Beverage Undisputed 01/23/2026 682899385 CMS
Novo Nordisk Inc $4.64 02/19/2019 Food and Beverage Undisputed 01/23/2026 682899369 CMS
Novo Nordisk Inc $5.12 02/20/2019 Food and Beverage Undisputed 01/23/2026 682899377 CMS
Novo Nordisk Inc $13.14 03/20/2019 Food and Beverage Undisputed 01/23/2026 669502389 CMS
Novo Nordisk Inc $32.27 03/21/2019 Education Undisputed 01/23/2026 682936271 CMS
Novo Nordisk Inc $4.61 04/17/2019 Food and Beverage Undisputed 01/23/2026 682899389 CMS
Novo Nordisk Inc $18.67 04/24/2019 Food and Beverage Undisputed 01/23/2026 703525023 CMS
Novo Nordisk Inc $16.10 04/26/2019 Food and Beverage Undisputed 01/23/2026 669520351 CMS
Novo Nordisk Inc $1.06 04/26/2019 Food and Beverage Undisputed 01/23/2026 682899393 CMS
Novo Nordisk Inc $4.73 04/26/2019 Education Undisputed 01/23/2026 682936277 CMS
Novo Nordisk Inc $32.27 05/24/2019 Education Undisputed 01/23/2026 682936279 CMS
Novo Nordisk Inc $32.27 05/24/2019 Education Undisputed 01/23/2026 682936283 CMS
Novo Nordisk Inc $32.27 05/24/2019 Education Undisputed 01/23/2026 682936287 CMS
Novo Nordisk Inc $5.01 06/20/2019 Food and Beverage Undisputed 01/23/2026 682899397 CMS
Novo Nordisk Inc $3.92 06/20/2019 Food and Beverage Undisputed 01/23/2026 682899402 CMS
Novo Nordisk Inc $4.69 10/09/2019 Food and Beverage Undisputed 01/23/2026 682448540 CMS
Novo Nordisk Inc $43.67 10/29/2019 Food and Beverage Undisputed 01/23/2026 674952103 CMS
Novo Nordisk Inc $14.49 12/04/2019 Food and Beverage Undisputed 01/23/2026 674646000 CMS
Tandem Diabetes Care, Inc. $15.34 09/19/2019 Food and Beverage Undisputed 01/23/2026 707450371 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
Source files
Dataset page · Bulk file · PY2018 , PY2019
Generated from
OP_DTL_GNRL_PGYR2019_P01232026_01102026.csv

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