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

NATHAN THOMAS NARTKER

Allopathic & Osteopathic Physicians Dermatology

NPI
1598269631
CMS profile
8800212
Location
CALEDONIA, MI

General Payments · PY2020–2024

$6,494.56

  • Reported across 302 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,685.13

80 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 $1,685.13 80

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2020 $201.83 8
PY2021 $482.84 21
PY2022 $1,622.56 63
PY2023 $2,502.20 130
PY2024 $1,685.13 80

Payment records · PY2024 (80)

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

Program year 2024 2020202120222023 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. $19.04 01/23/2024 Food and Beverage Undisputed 01/23/2026 1105100659 CMS
ABBVIE INC. $26.73 02/01/2024 Food and Beverage Undisputed 01/23/2026 1105100661 CMS
ABBVIE INC. $33.11 02/20/2024 Food and Beverage Undisputed 01/23/2026 1105100663 CMS
ABBVIE INC. $32.26 03/27/2024 Food and Beverage Undisputed 01/23/2026 1105100665 CMS
ABBVIE INC. $30.14 05/29/2024 Food and Beverage Undisputed 01/23/2026 1105100667 CMS
ABBVIE INC. $21.68 06/10/2024 Food and Beverage Undisputed 01/23/2026 1105100669 CMS
ABBVIE INC. $12.49 07/29/2024 Food and Beverage Undisputed 01/23/2026 1105100671 CMS
ABBVIE INC. $14.71 09/11/2024 Food and Beverage Undisputed 01/23/2026 1105100673 CMS
ABBVIE INC. $26.38 09/11/2024 Food and Beverage Undisputed 01/23/2026 1105100675 CMS
ABBVIE INC. $9.01 11/20/2024 Food and Beverage Undisputed 01/23/2026 1105100677 CMS
ABBVIE INC. $23.70 11/25/2024 Food and Beverage Undisputed 01/23/2026 1105100679 CMS
Amgen Inc. $27.24 05/23/2024 Food and Beverage Undisputed 01/23/2026 1117638385 CMS
Amgen Inc. $27.57 08/29/2024 Food and Beverage Undisputed 01/23/2026 1117638387 CMS
Arcutis Biotherapeutics, Inc. $19.03 02/26/2024 Food and Beverage Undisputed 01/23/2026 1121066385 CMS
Arcutis Biotherapeutics, Inc. $20.28 03/23/2024 Food and Beverage Undisputed 01/23/2026 1121066387 CMS
Arcutis Biotherapeutics, Inc. $16.46 04/10/2024 Food and Beverage Undisputed 01/23/2026 1121066389 CMS
Arcutis Biotherapeutics, Inc. $17.80 07/02/2024 Food and Beverage Undisputed 01/23/2026 1121066391 CMS
Arcutis Biotherapeutics, Inc. $19.12 08/07/2024 Food and Beverage Undisputed 01/23/2026 1121066393 CMS
Arcutis Biotherapeutics, Inc. $16.79 10/31/2024 Food and Beverage Undisputed 01/23/2026 1121066397 CMS
Arcutis Biotherapeutics, Inc. $17.18 12/12/2024 Food and Beverage Undisputed 01/23/2026 1121066395 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $24.15 01/24/2024 Food and Beverage Undisputed 01/23/2026 1118073370 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $29.86 03/15/2024 Food and Beverage Undisputed 01/23/2026 1118073374 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.20 11/08/2024 Food and Beverage Undisputed 01/23/2026 1118073372 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $23.56 12/17/2024 Food and Beverage Undisputed 01/23/2026 1118073368 CMS
E.R. Squibb & Sons, L.L.C. $19.86 01/02/2024 Food and Beverage Undisputed 01/23/2026 1101313223 CMS
E.R. Squibb & Sons, L.L.C. $19.86 01/23/2024 Food and Beverage Undisputed 01/23/2026 1101313225 CMS
E.R. Squibb & Sons, L.L.C. $25.15 03/12/2024 Food and Beverage Undisputed 01/23/2026 1101313231 CMS
E.R. Squibb & Sons, L.L.C. $24.21 04/19/2024 Food and Beverage Undisputed 01/23/2026 1101313243 CMS
E.R. Squibb & Sons, L.L.C. $23.66 05/01/2024 Food and Beverage Undisputed 01/23/2026 1101313241 CMS
E.R. Squibb & Sons, L.L.C. $19.83 06/26/2024 Food and Beverage Undisputed 01/23/2026 1101313253 CMS
E.R. Squibb & Sons, L.L.C. $20.37 09/06/2024 Food and Beverage Undisputed 01/23/2026 1101313265 CMS
Fresenius Kabi USA, LLC $33.12 01/02/2024 Food and Beverage Undisputed 01/23/2026 1146946793 CMS
Fresenius Kabi USA, LLC $34.97 09/10/2024 Food and Beverage Undisputed 01/23/2026 1146946795 CMS
Galderma Laboratories, L.P. $22.50 09/19/2024 Food and Beverage Undisputed 01/23/2026 1145318134 CMS
GENZYME CORPORATION $29.32 01/17/2024 Food and Beverage Undisputed 01/23/2026 1139641090 CMS
GENZYME CORPORATION $113.77 05/15/2024 Food and Beverage Undisputed 01/23/2026 1139641168 CMS
GENZYME CORPORATION $25.33 05/24/2024 Food and Beverage Undisputed 01/23/2026 1139641126 CMS
GENZYME CORPORATION $13.71 07/25/2024 Food and Beverage Undisputed 01/23/2026 1139641150 CMS
GENZYME CORPORATION $19.52 08/28/2024 Food and Beverage Undisputed 01/23/2026 1139641188 CMS
GENZYME CORPORATION $24.62 09/24/2024 Food and Beverage Undisputed 01/23/2026 1139641196 CMS
GENZYME CORPORATION $18.98 10/23/2024 Food and Beverage Undisputed 01/23/2026 1139641216 CMS
GENZYME CORPORATION $13.87 10/30/2024 Food and Beverage Undisputed 01/23/2026 1139641214 CMS
GENZYME CORPORATION $11.87 11/21/2024 Food and Beverage Undisputed 01/23/2026 1139641232 CMS
Incyte Corporation $17.43 12/04/2024 Food and Beverage Undisputed 01/23/2026 1141227186 CMS
Kyowa Kirin, Inc. $21.79 07/30/2024 Food and Beverage Undisputed 01/23/2026 1127038907 CMS
LEO Pharma Inc. $30.53 01/23/2024 Food and Beverage Undisputed 01/23/2026 1152643875 CMS
LEO Pharma Inc. $13.51 02/28/2024 Food and Beverage Undisputed 01/23/2026 1152643877 CMS
LEO Pharma Inc. $23.30 07/30/2024 Food and Beverage Undisputed 01/23/2026 1152643879 CMS
Novartis Pharmaceuticals Corporation $26.24 02/27/2024 Food and Beverage Undisputed 01/23/2026 1086993328 CMS
Novartis Pharmaceuticals Corporation $24.05 05/22/2024 Food and Beverage Undisputed 01/23/2026 1086993348 CMS
Novartis Pharmaceuticals Corporation $24.69 08/12/2024 Food and Beverage Undisputed 01/23/2026 1086993366 CMS
Novartis Pharmaceuticals Corporation $24.80 12/09/2024 Food and Beverage Undisputed 01/23/2026 1086993414 CMS
Ortho Dermatologics, a division of Bausch Health US, LLC $24.60 05/14/2024 Food and Beverage Undisputed 01/23/2026 1153814841 CMS
PFIZER INC. $9.62 01/17/2024 Food and Beverage Undisputed 01/23/2026 1132000785 CMS
PFIZER INC. $10.73 02/16/2024 Food and Beverage Undisputed 01/23/2026 1132000787 CMS
PFIZER INC. $12.78 03/27/2024 Food and Beverage Undisputed 01/23/2026 1131913105 CMS
PFIZER INC. $6.11 05/22/2024 Food and Beverage Undisputed 01/23/2026 1131916580 CMS
PFIZER INC. $18.72 06/06/2024 Food and Beverage Undisputed 01/23/2026 1131609988 CMS
PFIZER INC. $17.85 06/25/2024 Food and Beverage Undisputed 01/23/2026 1131747698 CMS
PFIZER INC. $6.88 07/17/2024 Food and Beverage Undisputed 01/23/2026 1131937535 CMS
PFIZER INC. $20.04 08/01/2024 Food and Beverage Undisputed 01/23/2026 1131875521 CMS
PFIZER INC. $0.36 08/01/2024 Food and Beverage Undisputed 01/23/2026 1131992601 CMS
PFIZER INC. $9.41 08/27/2024 Food and Beverage Undisputed 01/23/2026 1131992181 CMS
PFIZER INC. $13.85 09/04/2024 Food and Beverage Undisputed 01/23/2026 1131927670 CMS
PFIZER INC. $7.02 09/04/2024 Food and Beverage Undisputed 01/23/2026 1131957745 CMS
PFIZER INC. $4.27 10/09/2024 Food and Beverage Undisputed 01/23/2026 1132116484 CMS
PFIZER INC. $14.78 10/29/2024 Food and Beverage Undisputed 01/23/2026 1131039281 CMS
PFIZER INC. $1.78 10/29/2024 Food and Beverage Undisputed 01/23/2026 1131159513 CMS
PFIZER INC. $3.63 11/26/2024 Food and Beverage Undisputed 01/23/2026 1131052067 CMS
PFIZER INC. $15.52 11/26/2024 Food and Beverage Undisputed 01/23/2026 1131143300 CMS
PFIZER INC. $3.24 12/18/2024 Food and Beverage Undisputed 01/23/2026 1131399997 CMS
PFIZER INC. $15.52 12/18/2024 Food and Beverage Undisputed 01/23/2026 1131423160 CMS
Regeneron Healthcare Solutions, Inc. $33.72 02/10/2024 Food and Beverage Undisputed 01/23/2026 1114122371 CMS
Regeneron Healthcare Solutions, Inc. $24.09 03/28/2024 Food and Beverage Undisputed 01/23/2026 1114122373 CMS
Regeneron Healthcare Solutions, Inc. $33.15 04/30/2024 Food and Beverage Undisputed 01/23/2026 1114122375 CMS
Regeneron Healthcare Solutions, Inc. $30.04 10/15/2024 Food and Beverage Undisputed 01/23/2026 1114122377 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $15.11 03/14/2024 Food and Beverage Undisputed 01/23/2026 1152186763 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $35.56 10/31/2024 Food and Beverage Undisputed 01/23/2026 1152186765 CMS
UCB, Inc. $25.93 03/27/2024 Food and Beverage Undisputed 01/23/2026 1143105328 CMS
Verrica Pharmaceuticals Inc. $16.47 03/22/2024 Food and Beverage Undisputed 01/23/2026 1118384556 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
2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · 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.