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

AARON M YENGO-KAHN

Allopathic & Osteopathic Physicians Neurological Surgery

NPI
1245684562
CMS profile
11472177
Location
ORANGE, CA

General Payments · PY2023–2024

$2,582.21

  • Reported across 28 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,116.01

25 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
Travel and Lodging $1,115.82 5
Food and Beverage $1,000.19 20

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Alphatec Spine, Inc $2,013.81 21
Medtronic, Inc. $42.53 2
Ipsen Biopharmaceuticals, Inc $31.82 1
Aesculap, Inc. $27.85 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2023 $466.20 3
PY2024 $2,116.01 25

Payment records · PY2024 (25)

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

Program year 2024 2023 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
Aesculap, Inc. $27.85 10/25/2024 Food and Beverage Undisputed 01/23/2026 1154288822 CMS
Alphatec Spine, Inc $25.00 05/16/2024 Travel and Lodging Undisputed 01/23/2026 1095497146 CMS
Alphatec Spine, Inc $658.51 05/16/2024 Travel and Lodging Undisputed 01/23/2026 1095497148 CMS
Alphatec Spine, Inc $25.00 06/05/2024 Travel and Lodging Undisputed 01/23/2026 1095497162 CMS
Alphatec Spine, Inc $51.31 06/05/2024 Travel and Lodging Undisputed 01/23/2026 1095497164 CMS
Alphatec Spine, Inc $18.85 07/02/2024 Food and Beverage Undisputed 01/23/2026 1095497222 CMS
Alphatec Spine, Inc $45.21 07/02/2024 Food and Beverage Undisputed 01/23/2026 1095497224 CMS
Alphatec Spine, Inc $34.22 07/02/2024 Food and Beverage Undisputed 01/23/2026 1095497226 CMS
Alphatec Spine, Inc $214.09 07/02/2024 Food and Beverage Undisputed 01/23/2026 1095497228 CMS
Alphatec Spine, Inc $40.66 07/02/2024 Food and Beverage Undisputed 01/23/2026 1095497234 CMS
Alphatec Spine, Inc $140.67 07/02/2024 Food and Beverage Undisputed 01/23/2026 1095497236 CMS
Alphatec Spine, Inc $22.72 07/02/2024 Food and Beverage Undisputed 01/23/2026 1095497238 CMS
Alphatec Spine, Inc $356.00 07/11/2024 Travel and Lodging Undisputed 01/23/2026 1095497114 CMS
Alphatec Spine, Inc $18.52 08/08/2024 Food and Beverage Undisputed 01/23/2026 1095497230 CMS
Alphatec Spine, Inc $23.55 08/08/2024 Food and Beverage Undisputed 01/23/2026 1095497232 CMS
Alphatec Spine, Inc $104.96 08/08/2024 Food and Beverage Undisputed 01/23/2026 1095497240 CMS
Alphatec Spine, Inc $17.42 09/03/2024 Food and Beverage Undisputed 01/23/2026 1095497242 CMS
Alphatec Spine, Inc $17.62 11/04/2024 Food and Beverage Undisputed 01/23/2026 1095497282 CMS
Alphatec Spine, Inc $21.55 11/04/2024 Food and Beverage Undisputed 01/23/2026 1095497284 CMS
Alphatec Spine, Inc $70.87 11/04/2024 Food and Beverage Undisputed 01/23/2026 1095497286 CMS
Alphatec Spine, Inc $85.42 11/04/2024 Food and Beverage Undisputed 01/23/2026 1095497288 CMS
Alphatec Spine, Inc $21.66 11/04/2024 Food and Beverage Undisputed 01/23/2026 1095497290 CMS
Ipsen Biopharmaceuticals, Inc $31.82 12/09/2024 Food and Beverage Undisputed 01/23/2026 1091992925 CMS
Medtronic, Inc. $20.96 05/24/2024 Food and Beverage Undisputed 01/23/2026 1117128924 CMS
Medtronic, Inc. $21.57 07/30/2024 Food and Beverage Undisputed 01/23/2026 1117128922 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
2023, 2024
Source files
Dataset page · Bulk file · PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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