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

ESSA S KASTON

Allopathic & Osteopathic Physicians Pain Medicine Pain Medicine

NPI
1417482399
CMS profile
11311264
Location
CHANDLER, AZ

General Payments · PY2021–2024

$2,098.29

  • Reported across 38 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$193.92

21 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 $193.92 21

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Collegium Pharmaceutical, Inc. $137.22 18
DePuy Synthes Sales Inc. $36.59 2
Averitas Pharma Inc. $20.11 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $926.21 6
PY2022 $152.88 2
PY2023 $825.28 9
PY2024 $193.92 21

Payment records · PY2024 (21)

Sorted by paying entity, then date · as published by CMS

Program year 2024 202120222023 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
Averitas Pharma Inc. $20.11 04/24/2024 Food and Beverage Undisputed 01/23/2026 1133431730 CMS
Collegium Pharmaceutical, Inc. $7.08 01/09/2024 Food and Beverage Undisputed 01/23/2026 1135203610 CMS
Collegium Pharmaceutical, Inc. $18.24 01/30/2024 Food and Beverage Undisputed 01/23/2026 1135212056 CMS
Collegium Pharmaceutical, Inc. $6.61 02/06/2024 Food and Beverage Undisputed 01/23/2026 1135214936 CMS
Collegium Pharmaceutical, Inc. $6.17 02/28/2024 Food and Beverage Undisputed 01/23/2026 1135223851 CMS
Collegium Pharmaceutical, Inc. $5.80 04/16/2024 Food and Beverage Undisputed 01/23/2026 1135241634 CMS
Collegium Pharmaceutical, Inc. $6.84 04/23/2024 Food and Beverage Undisputed 01/23/2026 1135244150 CMS
Collegium Pharmaceutical, Inc. $6.61 05/14/2024 Food and Beverage Undisputed 01/23/2026 1135253558 CMS
Collegium Pharmaceutical, Inc. $6.38 06/11/2024 Food and Beverage Undisputed 01/23/2026 1135264709 CMS
Collegium Pharmaceutical, Inc. $5.53 06/25/2024 Food and Beverage Undisputed 01/23/2026 1135269610 CMS
Collegium Pharmaceutical, Inc. $7.35 07/17/2024 Food and Beverage Undisputed 01/23/2026 1135277369 CMS
Collegium Pharmaceutical, Inc. $16.67 08/13/2024 Food and Beverage Undisputed 01/23/2026 1135287821 CMS
Collegium Pharmaceutical, Inc. $6.88 10/08/2024 Food and Beverage Undisputed 01/23/2026 1135309714 CMS
Collegium Pharmaceutical, Inc. $5.67 10/22/2024 Food and Beverage Undisputed 01/23/2026 1135315591 CMS
Collegium Pharmaceutical, Inc. $5.12 11/05/2024 Food and Beverage Undisputed 01/23/2026 1135321836 CMS
Collegium Pharmaceutical, Inc. $7.82 11/12/2024 Food and Beverage Undisputed 01/23/2026 1135324576 CMS
Collegium Pharmaceutical, Inc. $5.75 11/19/2024 Food and Beverage Undisputed 01/23/2026 1135327674 CMS
Collegium Pharmaceutical, Inc. $6.80 12/10/2024 Food and Beverage Undisputed 01/23/2026 1135335627 CMS
Collegium Pharmaceutical, Inc. $5.90 12/17/2024 Food and Beverage Undisputed 01/23/2026 1135338121 CMS
DePuy Synthes Sales Inc. $19.78 04/29/2024 Food and Beverage Undisputed 01/23/2026 1077802446 CMS
DePuy Synthes Sales Inc. $16.81 07/23/2024 Food and Beverage Undisputed 01/23/2026 1077802477 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
2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · 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.