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

RICHARD S ZELKOWITZ

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1891780805
CMS profile
86170
Location
NORWALK, CT

General Payments · PY2018–2024

$48,963.15

  • Reported across 140 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$4,628.55

21 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 $4,057.50 3
Food and Beverage $545.10 17
Education $25.95 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $4,084.54 29
PY2019 $12,245.80 49
PY2020 $6,665.66 6
PY2021 $1,588.68 3
PY2022 $11,295.44 16
PY2023 $8,454.48 16
PY2024 $4,628.55 21

Payment records · PY2024 (21)

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. $28.60 10/03/2024 Food and Beverage Undisputed 01/23/2026 1106393185 CMS
ARRAY BIOPHARMA INC $21.86 11/05/2024 Food and Beverage Undisputed 01/23/2026 1131385924 CMS
AstraZeneca Pharmaceuticals LP $23.23 01/30/2024 Food and Beverage Undisputed 01/23/2026 1104584490 CMS
AstraZeneca Pharmaceuticals LP $1,110.00 07/28/2024 Consulting Fee Undisputed 01/23/2026 1105375992 CMS
AstraZeneca Pharmaceuticals LP $46.12 10/19/2024 Food and Beverage Undisputed 01/23/2026 1104489832 CMS
AstraZeneca Pharmaceuticals LP $29.83 10/30/2024 Food and Beverage Undisputed 01/23/2026 1104654923 CMS
AstraZeneca Pharmaceuticals LP $25.95 10/30/2024 Education Undisputed 01/23/2026 1105297417 CMS
AstraZeneca Pharmaceuticals LP $1,110.00 11/12/2024 Consulting Fee Undisputed 01/23/2026 1105453801 CMS
Daiichi Sankyo Inc. $30.34 05/06/2024 Food and Beverage Undisputed 01/23/2026 1089501574 CMS
Genentech USA, Inc. $16.94 11/07/2024 Food and Beverage Undisputed 01/23/2026 1133097003 CMS
Gilead Sciences, Inc. $23.41 06/04/2024 Food and Beverage Undisputed 01/23/2026 1133793859 CMS
Gilead Sciences, Inc. $17.13 11/18/2024 Food and Beverage Undisputed 01/23/2026 1133793861 CMS
Janssen Biotech, Inc. $38.21 11/14/2024 Food and Beverage Undisputed 01/23/2026 1078382908 CMS
JAZZ PHARMACEUTICALS INC. $24.15 04/11/2024 Food and Beverage Undisputed 01/23/2026 1150237176 CMS
Merck Sharp & Dohme LLC $18.64 12/05/2024 Food and Beverage Undisputed 01/23/2026 1141757586 CMS
Novartis Pharmaceuticals Corporation $1,837.50 03/07/2024 Consulting Fee Undisputed 01/23/2026 1087434372 CMS
Novartis Pharmaceuticals Corporation $139.06 03/07/2024 Food and Beverage Undisputed 01/23/2026 1087434374 CMS
Novartis Pharmaceuticals Corporation $6.44 06/27/2024 Food and Beverage Undisputed 01/23/2026 1087434378 CMS
Novartis Pharmaceuticals Corporation $34.29 12/16/2024 Food and Beverage Undisputed 01/23/2026 1087434380 CMS
PharmaEssentia USA Corporation $22.26 03/21/2024 Food and Beverage Undisputed 01/23/2026 1137311678 CMS
Stemline Therapeutics Inc. $24.59 01/25/2024 Food and Beverage Undisputed 01/23/2026 1142963484 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

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

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.