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

DIANA KATSMAN

Allopathic & Osteopathic Physicians Ophthalmology

NPI
1306003132
CMS profile
2788145
Location
TORRANCE, CA

General Payments · PY2018–2024

$1,814.79

  • Reported across 44 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$678.30

18 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 $678.30 18

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Apellis Pharmaceuticals, Inc. $146.77 2
Oyster Point Pharma, Inc. $131.61 9
Regeneron Healthcare Solutions, Inc. $122.10 1
Astellas Pharma US Inc $119.45 1
Amgen Inc. $96.44 3
Genentech USA, Inc. $34.78 1
ABBVIE INC. $27.15 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $45.14 2
PY2019 $380.75 8
PY2020 $125.00 1
PY2021 $226.62 4
PY2022 $95.64 4
PY2023 $263.34 7
PY2024 $678.30 18

Payment records · PY2024 (18)

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. $27.15 10/25/2024 Food and Beverage Undisputed 01/23/2026 1104038990 CMS
Amgen Inc. $30.60 05/15/2024 Food and Beverage Undisputed 01/23/2026 1111615559 CMS
Amgen Inc. $31.61 06/05/2024 Food and Beverage Undisputed 01/23/2026 1111615561 CMS
Amgen Inc. $34.23 11/18/2024 Food and Beverage Undisputed 01/23/2026 1111615563 CMS
Apellis Pharmaceuticals, Inc. $25.92 02/13/2024 Food and Beverage Undisputed 01/23/2026 1154020000 CMS
Apellis Pharmaceuticals, Inc. $120.85 03/28/2024 Food and Beverage Undisputed 01/23/2026 1154020002 CMS
Astellas Pharma US Inc $119.45 01/24/2024 Food and Beverage Undisputed 01/23/2026 1139414119 CMS
Genentech USA, Inc. $34.78 03/12/2024 Food and Beverage Undisputed 01/23/2026 1133001697 CMS
Oyster Point Pharma, Inc. $19.70 02/05/2024 Food and Beverage Undisputed 01/23/2026 1147427791 CMS
Oyster Point Pharma, Inc. $18.76 02/20/2024 Food and Beverage Undisputed 01/23/2026 1147426509 CMS
Oyster Point Pharma, Inc. $13.30 03/11/2024 Food and Beverage Undisputed 01/23/2026 1147423613 CMS
Oyster Point Pharma, Inc. $12.78 03/26/2024 Food and Beverage Undisputed 01/23/2026 1147426545 CMS
Oyster Point Pharma, Inc. $16.67 04/09/2024 Food and Beverage Undisputed 01/23/2026 1147427021 CMS
Oyster Point Pharma, Inc. $25.53 04/30/2024 Food and Beverage Undisputed 01/23/2026 1147427831 CMS
Oyster Point Pharma, Inc. $7.54 05/28/2024 Food and Beverage Undisputed 01/23/2026 1147437509 CMS
Oyster Point Pharma, Inc. $7.31 07/15/2024 Food and Beverage Undisputed 01/23/2026 1147408977 CMS
Oyster Point Pharma, Inc. $10.02 09/03/2024 Food and Beverage Undisputed 01/23/2026 1147398802 CMS
Regeneron Healthcare Solutions, Inc. $122.10 11/20/2024 Food and Beverage Undisputed 01/23/2026 1114083003 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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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.