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

JOSEPH B KAHAN

Allopathic & Osteopathic Physicians Orthopaedic Surgery

NPI
1336678093
CMS profile
11321221
Location
SOUTH PORTLAND, ME

General Payments · PY2022–2024

$48,238.54

  • Reported across 106 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,275.58

17 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 $1,153.83 12
Travel and Lodging $1,121.75 5

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Zimmer Biomet Holdings, Inc. $1,157.36 6
EXACTECH, INC. $368.45 3
Stryker Corporation $328.85 3
Integrity Orthopaedics, Inc. $241.03 2
ACUMED LLC $157.02 2
Endo USA, Inc. $22.87 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $35,960.62 36
PY2023 $10,002.34 53
PY2024 $2,275.58 17

Payment records · PY2024 (17)

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

Program year 2024 20222023 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
ACUMED LLC $103.81 02/29/2024 Food and Beverage Undisputed 01/23/2026 1125019204 CMS
ACUMED LLC $53.21 07/09/2024 Food and Beverage Undisputed 01/23/2026 1125019211 CMS
Endo USA, Inc. $22.87 05/07/2024 Food and Beverage Undisputed 01/23/2026 1138582627 CMS
EXACTECH, INC. $123.02 10/16/2024 Food and Beverage Undisputed 01/23/2026 1151236326 CMS
EXACTECH, INC. $106.84 10/18/2024 Food and Beverage Undisputed 01/23/2026 1151236002 CMS
EXACTECH, INC. $138.59 11/14/2024 Food and Beverage Undisputed 01/23/2026 1151236328 CMS
Integrity Orthopaedics, Inc. $144.53 10/18/2024 Food and Beverage Undisputed 01/23/2026 1126608038 CMS
Integrity Orthopaedics, Inc. $96.50 11/07/2024 Food and Beverage Undisputed 01/23/2026 1126608082 CMS
Stryker Corporation $32.92 01/08/2024 Food and Beverage Undisputed 01/23/2026 1119870945 CMS
Stryker Corporation $161.11 02/20/2024 Food and Beverage Undisputed 01/23/2026 1119870947 CMS
Stryker Corporation $134.82 05/02/2024 Food and Beverage Undisputed 01/23/2026 1119870949 CMS
Zimmer Biomet Holdings, Inc. $249.18 11/06/2024 Travel and Lodging Undisputed 01/23/2026 1155027136 CMS
Zimmer Biomet Holdings, Inc. $35.00 11/07/2024 Travel and Lodging Undisputed 01/23/2026 1155027130 CMS
Zimmer Biomet Holdings, Inc. $787.57 11/07/2024 Travel and Lodging Undisputed 01/23/2026 1155027132 CMS
Zimmer Biomet Holdings, Inc. $25.00 11/07/2024 Travel and Lodging Undisputed 01/23/2026 1155027134 CMS
Zimmer Biomet Holdings, Inc. $25.00 11/07/2024 Travel and Lodging Undisputed 01/23/2026 1155027138 CMS
Zimmer Biomet Holdings, Inc. $35.61 11/07/2024 Food and Beverage Undisputed 01/23/2026 1155027142 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
2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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