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

MARTIN WERNER HARTKOPF

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1851821284
CMS profile
3892175
Location
FRAMINGHAM, MA

General Payments · PY2018–2020

$1,392.61

  • Reported across 82 records
  • CMS publication 2026-01-23

Latest program year · PY2020

$335.02

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

PY2020 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $335.02 18

By paying entity

PY2020 · sorted by reported total

Paying entityAmountRecords
Janssen Pharmaceuticals, Inc $128.53 6
Acerta Pharma LLC $87.30 5
E.R. Squibb & Sons, L.L.C. $55.42 3
PFIZER INC. $28.50 2
ViiV Healthcare Company $23.08 1
Janssen Biotech, Inc. $12.19 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $348.46 28
PY2019 $709.13 36
PY2020 $335.02 18

Payment records · PY2020 (18)

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

Program year 2020 20182019 Record-level detail is published for PY2020; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AstraZeneca Pharmaceuticals LP $13.80 01/10/2020 Food and Beverage Undisputed 01/23/2026 736263915 CMS
AstraZeneca Pharmaceuticals LP $29.17 02/03/2020 Food and Beverage Undisputed 01/23/2026 735932227 CMS
AstraZeneca Pharmaceuticals LP $13.33 02/05/2020 Food and Beverage Undisputed 01/23/2026 736274037 CMS
AstraZeneca Pharmaceuticals LP $15.00 03/04/2020 Food and Beverage Undisputed 01/23/2026 736349669 CMS
AstraZeneca Pharmaceuticals LP $16.00 05/29/2020 Food and Beverage Undisputed 01/23/2026 736257621 CMS
E.R. Squibb & Sons, L.L.C. $18.63 01/23/2020 Food and Beverage Undisputed 01/23/2026 728001155 CMS
E.R. Squibb & Sons, L.L.C. $19.99 02/10/2020 Food and Beverage Undisputed 01/23/2026 728001167 CMS
E.R. Squibb & Sons, L.L.C. $16.80 02/21/2020 Food and Beverage Undisputed 01/23/2026 728001169 CMS
Janssen Biotech, Inc. $12.19 01/02/2020 Food and Beverage Undisputed 01/23/2026 719291679 CMS
Janssen Pharmaceuticals, Inc $20.55 01/14/2020 Food and Beverage Undisputed 01/23/2026 719291667 CMS
Janssen Pharmaceuticals, Inc $19.15 02/06/2020 Food and Beverage Undisputed 01/23/2026 719291669 CMS
Janssen Pharmaceuticals, Inc $25.86 02/24/2020 Food and Beverage Undisputed 01/23/2026 719291671 CMS
Janssen Pharmaceuticals, Inc $24.78 03/09/2020 Food and Beverage Undisputed 01/23/2026 719291673 CMS
Janssen Pharmaceuticals, Inc $17.66 06/02/2020 Food and Beverage Undisputed 01/23/2026 719291675 CMS
Janssen Pharmaceuticals, Inc $20.53 06/09/2020 Food and Beverage Undisputed 01/23/2026 719291677 CMS
PFIZER INC. $13.44 01/22/2020 Food and Beverage Undisputed 01/23/2026 743275109 CMS
PFIZER INC. $15.06 02/25/2020 Food and Beverage Undisputed 01/23/2026 743274121 CMS
ViiV Healthcare Company $23.08 02/29/2020 Food and Beverage Undisputed 01/23/2026 733152091 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
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020
Generated from
OP_DTL_GNRL_PGYR2020_P01232026_01102026.csv

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