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

KATHYRN MASSELAM HATCH

Allopathic & Osteopathic Physicians Ophthalmology

NPI
1528265824
CMS profile
23395
Location
WATHAM, MA

General Payments · PY2018–2024

$87,866.92

  • Reported across 171 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$4,700.34

13 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
Consulting Fee $3,750.00 3
Food and Beverage $950.34 10

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $21,666.19 48
PY2019 $14,305.24 34
PY2020 $11,408.82 15
PY2021 $8,660.63 18
PY2022 $14,671.10 21
PY2023 $12,454.60 22
PY2024 $4,700.34 13

Payment records · PY2024 (13)

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
Alcon Vision LLC $44.67 11/10/2024 Food and Beverage Undisputed 01/23/2026 1110558757 CMS
BIOTISSUE HOLDINGS INC. $134.89 02/05/2024 Food and Beverage Undisputed 01/23/2026 1148755670 CMS
Carl Zeiss Meditec USA, Inc. $130.84 04/06/2024 Food and Beverage Undisputed 01/23/2026 1153258796 CMS
Carl Zeiss Meditec, Inc. $1,500.00 08/14/2024 Consulting Fee Undisputed 01/23/2026 1153258798 CMS
Glaukos Corporation $170.21 03/15/2024 Food and Beverage Undisputed 01/23/2026 1151980170 CMS
Glaukos Corporation $1,500.00 04/17/2024 Consulting Fee Undisputed 01/23/2026 1151973649 CMS
Glaukos Corporation $750.00 06/26/2024 Consulting Fee Undisputed 01/23/2026 1151973651 CMS
Glaukos Corporation $134.32 09/18/2024 Food and Beverage Undisputed 01/23/2026 1151988680 CMS
Glaukos Corporation $31.96 10/19/2024 Food and Beverage Undisputed 01/23/2026 1151988678 CMS
Glaukos Corporation $182.52 12/02/2024 Food and Beverage Undisputed 01/23/2026 1151976794 CMS
Johnson & Johnson Surgical Vision, Inc. $30.90 11/09/2024 Food and Beverage Undisputed 01/23/2026 1077597830 CMS
Tarsus Pharmaceuticals, Inc. $21.30 07/14/2024 Food and Beverage Undisputed 01/23/2026 1139102057 CMS
Tarsus Pharmaceuticals, Inc. $68.73 11/09/2024 Food and Beverage Undisputed 01/23/2026 1139102059 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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