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 S TROOKMAN

Allopathic & Osteopathic Physicians Dermatology

NPI
1679669568
CMS profile
348039
Location
COLORADO SPRINGS, CO

General Payments · PY2018–2024

$6,171.41

  • Reported across 240 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,263.88

52 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 $1,263.88 52

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,342.27 71
PY2019 $1,932.19 66
PY2020 $121.79 6
PY2021 $304.13 5
PY2022 $613.73 16
PY2023 $593.42 24
PY2024 $1,263.88 52

Payment records · PY2024 (52)

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. $20.33 01/09/2024 Food and Beverage Undisputed 01/23/2026 1106245380 CMS
ABBVIE INC. $25.00 01/12/2024 Food and Beverage Undisputed 01/23/2026 1106245382 CMS
ABBVIE INC. $23.74 02/08/2024 Food and Beverage Undisputed 01/23/2026 1106245384 CMS
ABBVIE INC. $148.28 02/08/2024 Food and Beverage Undisputed 01/23/2026 1106245386 CMS
ABBVIE INC. $18.30 03/12/2024 Food and Beverage Undisputed 01/23/2026 1106245388 CMS
ABBVIE INC. $22.01 04/09/2024 Food and Beverage Undisputed 01/23/2026 1106245390 CMS
ABBVIE INC. $125.00 04/12/2024 Food and Beverage Undisputed 01/23/2026 1106245392 CMS
ABBVIE INC. $31.27 04/16/2024 Food and Beverage Undisputed 01/23/2026 1106245394 CMS
ABBVIE INC. $17.68 05/10/2024 Food and Beverage Undisputed 01/23/2026 1106245396 CMS
ABBVIE INC. $19.16 09/12/2024 Food and Beverage Undisputed 01/23/2026 1106245398 CMS
ABBVIE INC. $22.95 10/25/2024 Food and Beverage Undisputed 01/23/2026 1106245400 CMS
ABBVIE INC. $23.83 12/09/2024 Food and Beverage Undisputed 01/23/2026 1106245402 CMS
ABBVIE INC. $6.40 12/17/2024 Food and Beverage Undisputed 01/23/2026 1106245404 CMS
Amgen Inc. $130.82 06/20/2024 Food and Beverage Undisputed 01/23/2026 1117704502 CMS
Arcutis Biotherapeutics, Inc. $29.15 03/23/2024 Food and Beverage Undisputed 01/23/2026 1121066403 CMS
Galderma Laboratories, L.P. $14.60 04/02/2024 Food and Beverage Undisputed 01/23/2026 1145332933 CMS
Galderma Laboratories, L.P. $2.90 04/23/2024 Food and Beverage Undisputed 01/23/2026 1145332935 CMS
Galderma Laboratories, L.P. $3.97 06/05/2024 Food and Beverage Undisputed 01/23/2026 1145332937 CMS
Galderma Laboratories, L.P. $3.71 06/11/2024 Food and Beverage Undisputed 01/23/2026 1145332939 CMS
Galderma Laboratories, L.P. $5.96 06/17/2024 Food and Beverage Undisputed 01/23/2026 1145332941 CMS
Galderma Laboratories, L.P. $7.02 06/20/2024 Food and Beverage Undisputed 01/23/2026 1145332943 CMS
Galderma Laboratories, L.P. $5.57 06/24/2024 Food and Beverage Undisputed 01/23/2026 1145332945 CMS
Galderma Laboratories, L.P. $5.36 06/25/2024 Food and Beverage Undisputed 01/23/2026 1145332947 CMS
Galderma Laboratories, L.P. $16.19 07/09/2024 Food and Beverage Undisputed 01/23/2026 1145332949 CMS
Galderma Laboratories, L.P. $4.73 07/11/2024 Food and Beverage Undisputed 01/23/2026 1145332951 CMS
Galderma Laboratories, L.P. $12.52 07/12/2024 Food and Beverage Undisputed 01/23/2026 1145332953 CMS
Galderma Laboratories, L.P. $26.02 08/07/2024 Food and Beverage Undisputed 01/23/2026 1145332955 CMS
Galderma Laboratories, L.P. $4.37 08/13/2024 Food and Beverage Undisputed 01/23/2026 1145332957 CMS
Galderma Laboratories, L.P. $9.73 08/20/2024 Food and Beverage Undisputed 01/23/2026 1145332959 CMS
Galderma Laboratories, L.P. $24.37 09/10/2024 Food and Beverage Undisputed 01/23/2026 1145332961 CMS
Galderma Laboratories, L.P. $3.64 09/26/2024 Food and Beverage Undisputed 01/23/2026 1145332963 CMS
Galderma Laboratories, L.P. $4.29 10/01/2024 Food and Beverage Undisputed 01/23/2026 1145332965 CMS
Galderma Laboratories, L.P. $26.42 10/09/2024 Food and Beverage Undisputed 01/23/2026 1145332967 CMS
Galderma Laboratories, L.P. $3.93 10/09/2024 Food and Beverage Undisputed 01/23/2026 1145332969 CMS
Galderma Laboratories, L.P. $9.06 10/10/2024 Food and Beverage Undisputed 01/23/2026 1145332971 CMS
GENZYME CORPORATION $28.20 06/06/2024 Food and Beverage Undisputed 01/23/2026 1139658610 CMS
GENZYME CORPORATION $20.02 09/26/2024 Food and Beverage Undisputed 01/23/2026 1139658664 CMS
GENZYME CORPORATION $28.34 11/19/2024 Food and Beverage Undisputed 01/23/2026 1139658690 CMS
Incyte Corporation $27.54 03/04/2024 Food and Beverage Undisputed 01/23/2026 1141299513 CMS
Incyte Corporation $21.01 12/02/2024 Food and Beverage Undisputed 01/23/2026 1141222316 CMS
LEO Pharma Inc. $24.68 04/01/2024 Food and Beverage Undisputed 01/23/2026 1152654283 CMS
Lilly USA, LLC $26.18 12/12/2024 Food and Beverage Undisputed 01/23/2026 1135238818 CMS
Novartis Pharmaceuticals Corporation $24.52 04/08/2024 Food and Beverage Undisputed 01/23/2026 1087432032 CMS
Novartis Pharmaceuticals Corporation $24.93 10/30/2024 Food and Beverage Undisputed 01/23/2026 1087432056 CMS
Ortho Dermatologics, a division of Bausch Health US, LLC $24.90 07/17/2024 Food and Beverage Undisputed 01/23/2026 1153814843 CMS
Regeneron Healthcare Solutions, Inc. $26.93 01/05/2024 Food and Beverage Undisputed 01/23/2026 1114224779 CMS
Regeneron Healthcare Solutions, Inc. $27.88 04/15/2024 Food and Beverage Undisputed 01/23/2026 1114224785 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $20.33 02/12/2024 Food and Beverage Undisputed 01/23/2026 1152186771 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $20.16 05/02/2024 Food and Beverage Undisputed 01/23/2026 1152186775 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $17.94 08/01/2024 Food and Beverage Undisputed 01/23/2026 1152186773 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $18.41 12/05/2024 Food and Beverage Undisputed 01/23/2026 1152186777 CMS
UCB, Inc. $23.63 04/04/2024 Food and Beverage Undisputed 01/23/2026 1143206016 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.