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

SEMIRAMIS S YOUSSOF

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1417193459
CMS profile
403164
Location
ALBUQUERQUE, NM

General Payments · PY2018–2019

$15,103.14

  • Reported across 37 records
  • CMS publication 2026-01-23

Latest program year · PY2019

$4,427.84

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

PY2019 · sorted by reported total

By paying entity

PY2019 · sorted by reported total

Paying entityAmountRecords
Alexion Pharmaceuticals, Inc. $4,427.84 17

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $10,675.30 20
PY2019 $4,427.84 17

Payment records · PY2019 (17)

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

Program year 2019 2018 Record-level detail is published for PY2019; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Alexion Pharmaceuticals, Inc. $4.21 01/15/2019 Food and Beverage Undisputed 01/23/2026 695607155 CMS
Alexion Pharmaceuticals, Inc. $124.93 04/26/2019 Food and Beverage Undisputed 01/23/2026 695607317 CMS
Alexion Pharmaceuticals, Inc. $13.82 04/26/2019 Food and Beverage Undisputed 01/23/2026 695607353 CMS
Alexion Pharmaceuticals, Inc. $48.90 04/26/2019 Travel and Lodging Undisputed 01/23/2026 695607358 CMS
Alexion Pharmaceuticals, Inc. $6.22 04/26/2019 Food and Beverage Undisputed 01/23/2026 695607363 CMS
Alexion Pharmaceuticals, Inc. $19.41 04/27/2019 Food and Beverage Undisputed 01/23/2026 695607321 CMS
Alexion Pharmaceuticals, Inc. $2,970.00 04/27/2019 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 695607323 CMS
Alexion Pharmaceuticals, Inc. $34.98 04/27/2019 Food and Beverage Undisputed 01/23/2026 695607327 CMS
Alexion Pharmaceuticals, Inc. $36.36 04/27/2019 Food and Beverage Undisputed 01/23/2026 695607331 CMS
Alexion Pharmaceuticals, Inc. $18.31 04/27/2019 Travel and Lodging Undisputed 01/23/2026 695607335 CMS
Alexion Pharmaceuticals, Inc. $18.31 04/27/2019 Travel and Lodging Undisputed 01/23/2026 695607339 CMS
Alexion Pharmaceuticals, Inc. $23.82 04/27/2019 Travel and Lodging Undisputed 01/23/2026 695607343 CMS
Alexion Pharmaceuticals, Inc. $652.60 04/27/2019 Travel and Lodging Undisputed 01/23/2026 695607347 CMS
Alexion Pharmaceuticals, Inc. $22.17 04/27/2019 Food and Beverage Undisputed 01/23/2026 695607365 CMS
Alexion Pharmaceuticals, Inc. $373.34 04/28/2019 Travel and Lodging Undisputed 01/23/2026 695607351 CMS
Alexion Pharmaceuticals, Inc. $22.88 04/28/2019 Food and Beverage Undisputed 01/23/2026 695607369 CMS
Alexion Pharmaceuticals, Inc. $37.58 04/28/2019 Travel and Lodging Undisputed 01/23/2026 695607373 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
Source files
Dataset page · Bulk file · PY2018 , PY2019
Generated from
OP_DTL_GNRL_PGYR2019_P01232026_01102026.csv

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