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

BLAKE A ISERNHAGEN

Allopathic & Osteopathic Physicians Ophthalmology Retina Specialist

NPI
1336469444
CMS profile
14777
Location
LEXINGTON, KY

General Payments · PY2018–2024

$182,752.18

  • Reported across 342 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$15,517.27

50 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

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $9,061.67 31
PY2019 $69,047.49 80
PY2020 $4,104.65 23
PY2021 $12,035.94 40
PY2022 $40,323.69 61
PY2023 $32,661.47 57
PY2024 $15,517.27 50

Payment records · PY2024 (50)

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. $69.30 09/25/2024 Food and Beverage Undisputed 01/23/2026 1103971735 CMS
ABBVIE INC. $14.25 11/01/2024 Food and Beverage Undisputed 01/23/2026 1103971737 CMS
Alimera Sciences, Inc. $19.97 01/03/2024 Food and Beverage Undisputed 01/23/2026 1092826533 CMS
Alimera Sciences, Inc. $24.53 03/05/2024 Food and Beverage Undisputed 01/23/2026 1092839751 CMS
Alimera Sciences, Inc. $20.81 06/05/2024 Food and Beverage Undisputed 01/23/2026 1092834214 CMS
Alimera Sciences, Inc. $10.66 06/25/2024 Food and Beverage Undisputed 01/23/2026 1092825028 CMS
Alimera Sciences, Inc. $232.00 06/27/2024 Food and Beverage Undisputed 01/23/2026 1092829447 CMS
Alimera Sciences, Inc. $24.57 08/14/2024 Food and Beverage Undisputed 01/23/2026 1092827000 CMS
Alimera Sciences, Inc. $5.88 10/23/2024 Food and Beverage Undisputed 01/23/2026 1092826116 CMS
Alimera Sciences, Inc. $16.03 11/12/2024 Food and Beverage Undisputed 01/23/2026 1092835935 CMS
ANI Pharmaceuticals, Inc. $32.98 06/11/2024 Food and Beverage Undisputed 01/23/2026 1091168266 CMS
ANI Pharmaceuticals, Inc. $137.92 08/20/2024 Food and Beverage Undisputed 01/23/2026 1091141936 CMS
ANI Pharmaceuticals, Inc. $33.97 08/29/2024 Food and Beverage Undisputed 01/23/2026 1091172954 CMS
Apellis Pharmaceuticals, Inc. $20.81 04/11/2024 Food and Beverage Undisputed 01/23/2026 1154017731 CMS
Apellis Pharmaceuticals, Inc. $14.94 05/22/2024 Food and Beverage Undisputed 01/23/2026 1154017727 CMS
Apellis Pharmaceuticals, Inc. $27.89 07/29/2024 Food and Beverage Undisputed 01/23/2026 1154017725 CMS
Apellis Pharmaceuticals, Inc. $16.58 08/26/2024 Food and Beverage Undisputed 01/23/2026 1154017729 CMS
Apellis Pharmaceuticals, Inc. $23.81 09/10/2024 Food and Beverage Undisputed 01/23/2026 1154017723 CMS
Apellis Pharmaceuticals, Inc. $25.61 10/16/2024 Food and Beverage Undisputed 01/23/2026 1154017733 CMS
Apellis Pharmaceuticals, Inc. $23.50 11/13/2024 Food and Beverage Undisputed 01/23/2026 1154017735 CMS
Apellis Pharmaceuticals, Inc. $18.00 12/04/2024 Food and Beverage Undisputed 01/23/2026 1154017737 CMS
Apellis Pharmaceuticals, Inc. $3.75 12/05/2024 Food and Beverage Undisputed 01/23/2026 1154017739 CMS
Astellas Pharma US Inc $18.19 05/15/2024 Food and Beverage Undisputed 01/23/2026 1139340252 CMS
Astellas Pharma US Inc $21.47 08/06/2024 Food and Beverage Undisputed 01/23/2026 1139338222 CMS
Astellas Pharma US Inc $25.81 10/09/2024 Food and Beverage Undisputed 01/23/2026 1139420761 CMS
Astellas Pharma US Inc $24.43 11/06/2024 Food and Beverage Undisputed 01/23/2026 1139426722 CMS
Biogen, Inc. $15.95 02/07/2024 Food and Beverage Undisputed 01/23/2026 1104829204 CMS
Biogen, Inc. $19.81 09/24/2024 Food and Beverage Undisputed 01/23/2026 1104814503 CMS
Genentech USA, Inc. $8.02 02/29/2024 Food and Beverage Undisputed 01/23/2026 1132981751 CMS
Genentech USA, Inc. $129.15 03/05/2024 Food and Beverage Undisputed 01/23/2026 1132981736 CMS
Genentech USA, Inc. $1,121.68 03/05/2024 Travel and Lodging Undisputed 01/23/2026 1132981738 CMS
Genentech USA, Inc. $5,640.00 03/05/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1132981740 CMS
Genentech USA, Inc. $14.10 04/19/2024 Food and Beverage Undisputed 01/23/2026 1132981742 CMS
Genentech USA, Inc. $1,388.56 05/06/2024 Travel and Lodging Undisputed 01/23/2026 1132981755 CMS
Genentech USA, Inc. $5,640.00 05/06/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1132981757 CMS
Genentech USA, Inc. $165.17 05/06/2024 Travel and Lodging Undisputed 01/23/2026 1132981759 CMS
Genentech USA, Inc. $35.37 05/06/2024 Food and Beverage Undisputed 01/23/2026 1132981761 CMS
Genentech USA, Inc. $104.97 05/06/2024 Food and Beverage Undisputed 01/23/2026 1132981763 CMS
Genentech USA, Inc. $85.19 05/06/2024 Travel and Lodging Undisputed 01/23/2026 1132981765 CMS
Genentech USA, Inc. $10.72 05/08/2024 Food and Beverage Undisputed 01/23/2026 1132981744 CMS
Genentech USA, Inc. $9.09 05/08/2024 Food and Beverage Undisputed 01/23/2026 1132981747 CMS
Genentech USA, Inc. $18.30 06/11/2024 Food and Beverage Undisputed 01/23/2026 1132981749 CMS
Genentech USA, Inc. $16.99 08/12/2024 Food and Beverage Undisputed 01/23/2026 1132981753 CMS
Genentech USA, Inc. $19.94 10/23/2024 Food and Beverage Undisputed 01/23/2026 1132981767 CMS
Genentech USA, Inc. $33.02 12/18/2024 Food and Beverage Undisputed 01/23/2026 1132981769 CMS
Regeneron Healthcare Solutions, Inc. $24.41 02/20/2024 Food and Beverage Undisputed 01/23/2026 1114075025 CMS
Regeneron Healthcare Solutions, Inc. $18.20 06/19/2024 Food and Beverage Undisputed 01/23/2026 1114075027 CMS
Regeneron Healthcare Solutions, Inc. $30.35 10/22/2024 Food and Beverage Undisputed 01/23/2026 1114075029 CMS
Regeneron Healthcare Solutions, Inc. $28.74 10/28/2024 Food and Beverage Undisputed 01/23/2026 1114075031 CMS
Regeneron Healthcare Solutions, Inc. $31.88 12/02/2024 Food and Beverage Undisputed 01/23/2026 1114075033 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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