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

F KARL ENGELHART

Eye and Vision Services Providers Optometrist

NPI
1821093915
CMS profile
263700
Location
NASHUA, NH

General Payments · PY2018–2024

$3,555.34

  • Reported across 112 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$816.54

23 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 $816.54 23

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $334.55 14
PY2019 $389.82 16
PY2020 $313.95 8
PY2021 $281.36 10
PY2022 $826.99 21
PY2023 $592.13 20
PY2024 $816.54 23

Payment records · PY2024 (23)

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. $22.06 01/03/2024 Food and Beverage Undisputed 01/23/2026 1103693582 CMS
ABBVIE INC. $23.02 03/29/2024 Food and Beverage Undisputed 01/23/2026 1103693584 CMS
Amgen Inc. $20.53 10/24/2024 Food and Beverage Undisputed 01/23/2026 1111570175 CMS
Amgen Inc. $20.46 11/19/2024 Food and Beverage Undisputed 01/23/2026 1111570177 CMS
Bausch & Lomb Americas Inc. $107.41 02/09/2024 Food and Beverage Undisputed 01/23/2026 1140344290 CMS
Bausch & Lomb Americas Inc. $21.34 03/25/2024 Food and Beverage Undisputed 01/23/2026 1140344288 CMS
Bausch & Lomb Americas Inc. $24.00 05/17/2024 Food and Beverage Undisputed 01/23/2026 1140344292 CMS
Bausch & Lomb Americas Inc. $16.63 05/28/2024 Food and Beverage Undisputed 01/23/2026 1140344286 CMS
Bausch & Lomb Americas Inc. $82.67 06/03/2024 Food and Beverage Undisputed 01/23/2026 1140344294 CMS
Bausch & Lomb Americas Inc. $121.48 08/28/2024 Food and Beverage Undisputed 01/23/2026 1140344300 CMS
Bausch & Lomb Americas Inc. $106.09 10/31/2024 Food and Beverage Undisputed 01/23/2026 1140344296 CMS
Bausch & Lomb Americas Inc. $20.05 12/06/2024 Food and Beverage Undisputed 01/23/2026 1140344298 CMS
CooperVision Inc. $17.81 02/20/2024 Food and Beverage Undisputed 01/23/2026 1145505076 CMS
Dompe US, Inc. $30.06 02/14/2024 Food and Beverage Undisputed 01/23/2026 1151403110 CMS
Dompe US, Inc. $32.84 02/27/2024 Food and Beverage Undisputed 01/23/2026 1151403108 CMS
Mallinckrodt Hospital Products Inc. $32.78 07/30/2024 Food and Beverage Undisputed 01/23/2026 1145068822 CMS
Oyster Point Pharma, Inc. $17.31 03/14/2024 Food and Beverage Undisputed 01/23/2026 1147427149 CMS
Oyster Point Pharma, Inc. $16.23 04/10/2024 Food and Beverage Undisputed 01/23/2026 1147429747 CMS
Oyster Point Pharma, Inc. $23.21 05/07/2024 Food and Beverage Undisputed 01/23/2026 1147436697 CMS
Oyster Point Pharma, Inc. $13.81 06/27/2024 Food and Beverage Undisputed 01/23/2026 1147401802 CMS
Oyster Point Pharma, Inc. $17.23 07/23/2024 Food and Beverage Undisputed 01/23/2026 1147406538 CMS
Oyster Point Pharma, Inc. $14.86 10/31/2024 Food and Beverage Undisputed 01/23/2026 1147411990 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $14.66 06/18/2024 Food and Beverage Undisputed 01/23/2026 1152149039 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.