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 P ZEKMAN

Allopathic & Osteopathic Physicians Internal Medicine Medical Oncology

NPI
1043426521
CMS profile
274873
Location
ROYAL OAK, MI

General Payments · PY2018–2023

$3,182.30

  • Reported across 169 records
  • CMS publication 2026-01-23

Latest program year · PY2023

$503.95

25 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

PY2023 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $424.67 23
Education $79.28 2

By paying entity

PY2023 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $646.23 48
PY2019 $689.25 21
PY2020 $236.16 8
PY2021 $293.24 18
PY2022 $813.47 49
PY2023 $503.95 25

Payment records · PY2023 (25)

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

Program year 2023 20182019202020212022 Record-level detail is published for PY2023; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Amgen Inc. $14.61 02/07/2023 Food and Beverage Undisputed 01/23/2026 1020078467 CMS
ARRAY BIOPHARMA INC $17.00 04/13/2023 Food and Beverage Undisputed 01/23/2026 1049159703 CMS
Astellas Pharma US Inc $14.29 03/21/2023 Education Undisputed 01/23/2026 1033994657 CMS
Astellas Pharma US Inc $17.91 05/25/2023 Food and Beverage Undisputed 01/23/2026 1034121970 CMS
AVEO Pharmaceuticals, Inc. $64.99 03/21/2023 Education Undisputed 01/23/2026 1049064797 CMS
E.R. Squibb & Sons, L.L.C. $18.36 07/06/2023 Food and Beverage Undisputed 01/23/2026 1015388409 CMS
Genentech USA, Inc. $21.38 05/19/2023 Food and Beverage Undisputed 01/23/2026 1040521183 CMS
Gilead Sciences, Inc. $16.93 01/30/2023 Food and Beverage Undisputed 01/23/2026 1025931205 CMS
GlaxoSmithKline, LLC. $21.09 03/31/2023 Food and Beverage Undisputed 01/23/2026 1003457999 CMS
Kite Pharma, Inc. $15.92 01/31/2023 Food and Beverage Undisputed 01/23/2026 1025275051 CMS
Kite Pharma, Inc. $15.65 03/07/2023 Food and Beverage Undisputed 01/23/2026 1025275053 CMS
Kite Pharma, Inc. $18.07 04/18/2023 Food and Beverage Undisputed 01/23/2026 1025275055 CMS
Merck Sharp & Dohme LLC $25.57 07/07/2023 Food and Beverage Undisputed 01/23/2026 1048756511 CMS
Mirati Therapeutics, Inc. $15.93 06/08/2023 Food and Beverage Undisputed 01/23/2026 1058007049 CMS
MorphoSys, US Inc. $18.85 02/06/2023 Food and Beverage Undisputed 01/23/2026 1060322833 CMS
PFIZER INC. $18.66 03/21/2023 Food and Beverage Undisputed 01/23/2026 1050530927 CMS
PFIZER INC. $20.26 05/01/2023 Food and Beverage Undisputed 01/23/2026 1049229281 CMS
PFIZER INC. $17.00 10/27/2023 Food and Beverage Undisputed 01/23/2026 1050561819 CMS
Pharmacyclics LLC, An AbbVie Company $14.64 05/23/2023 Food and Beverage Undisputed 01/23/2026 998298421 CMS
RECORDATI_RARE_DISEASES_INC. $19.87 06/13/2023 Food and Beverage Undisputed 01/23/2026 1060355803 CMS
Rigel Pharmaceuticals, Inc. $14.24 06/15/2023 Food and Beverage Undisputed 01/23/2026 1033383049 CMS
Seagen Inc. $17.40 01/06/2023 Food and Beverage Undisputed 01/23/2026 995656491 CMS
Seagen Inc. $24.23 03/30/2023 Food and Beverage Undisputed 01/23/2026 995656579 CMS
TAIHO ONCOLOGY, INC. $21.66 03/20/2023 Food and Beverage Undisputed 01/23/2026 1055231797 CMS
TerSera Therapeutics LLC $19.44 07/11/2023 Food and Beverage Undisputed 01/23/2026 1052423073 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
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023
Generated from
OP_DTL_GNRL_PGYR2023_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.

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