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

PETER Z ZADVINSKIS

Allopathic & Osteopathic Physicians Internal Medicine Rheumatology

NPI
1043381353
CMS profile
93129
Location
GRAND RAPIDS, MI

General Payments · PY2018–2024

$3,730.65

  • Reported across 264 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$404.40

23 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
Food and Beverage $404.40 23

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $702.59 59
PY2019 $405.20 39
PY2020 $352.12 23
PY2021 $621.97 50
PY2022 $641.59 39
PY2023 $602.78 31
PY2024 $404.40 23

Payment records · PY2024 (23)

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
ABBVIE INC. $22.10 01/04/2024 Food and Beverage Undisputed 01/23/2026 1106386716 CMS
ABBVIE INC. $23.14 01/25/2024 Food and Beverage Undisputed 01/23/2026 1106386718 CMS
ABBVIE INC. $13.07 03/06/2024 Food and Beverage Undisputed 01/23/2026 1106386720 CMS
ABBVIE INC. $18.15 03/20/2024 Food and Beverage Undisputed 01/23/2026 1106386722 CMS
ABBVIE INC. $21.78 05/01/2024 Food and Beverage Undisputed 01/23/2026 1106386724 CMS
ABBVIE INC. $20.90 07/17/2024 Food and Beverage Undisputed 01/23/2026 1106386726 CMS
ABBVIE INC. $20.78 08/07/2024 Food and Beverage Undisputed 01/23/2026 1106386728 CMS
ABBVIE INC. $19.90 08/29/2024 Food and Beverage Undisputed 01/23/2026 1106386730 CMS
ABBVIE INC. $26.43 10/09/2024 Food and Beverage Undisputed 01/23/2026 1106386732 CMS
ABBVIE INC. $3.61 10/18/2024 Food and Beverage Undisputed 01/23/2026 1106386734 CMS
ABBVIE INC. $1.36 10/20/2024 Food and Beverage Undisputed 01/23/2026 1106386736 CMS
Alnylam Pharmaceuticals Inc. $16.94 11/25/2024 Food and Beverage Undisputed 01/23/2026 1125856770 CMS
AstraZeneca Pharmaceuticals LP $18.54 10/30/2024 Food and Beverage Undisputed 01/23/2026 1105780406 CMS
Genentech USA, Inc. $18.48 05/22/2024 Food and Beverage Undisputed 01/23/2026 1133088492 CMS
Intercept Pharmaceuticals, Inc. $14.79 04/01/2024 Food and Beverage Undisputed 01/23/2026 1113640771 CMS
Janssen Biotech, Inc. $15.24 03/11/2024 Food and Beverage Undisputed 01/23/2026 1078747968 CMS
Janssen Biotech, Inc. $17.34 04/08/2024 Food and Beverage Undisputed 01/23/2026 1078749336 CMS
Janssen Biotech, Inc. $13.79 06/03/2024 Food and Beverage Undisputed 01/23/2026 1078749471 CMS
Janssen Biotech, Inc. $21.30 11/18/2024 Food and Beverage Undisputed 01/23/2026 1078747593 CMS
Novartis Pharmaceuticals Corporation $33.62 04/10/2024 Food and Beverage Undisputed 01/23/2026 1087415080 CMS
Novartis Pharmaceuticals Corporation $14.16 09/26/2024 Food and Beverage Undisputed 01/23/2026 1087415086 CMS
Phathom Pharmaceuticals, Inc. $13.46 05/13/2024 Food and Beverage Undisputed 01/23/2026 1151142467 CMS
Regeneron Healthcare Solutions, Inc. $15.52 02/05/2024 Food and Beverage Undisputed 01/23/2026 1114260552 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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Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.