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

SAMER G ZAMMAR

Allopathic & Osteopathic Physicians Neurological Surgery

NPI
1952788770
CMS profile
5700740
Location
SAN FRANCISCO, CA

General Payments · PY2018–2024

$8,954.21

  • Reported across 36 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$8,478.28

28 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 $4,352.90 11
Honoraria $2,744.04 2
Food and Beverage $1,381.34 15

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Globus Medical, Inc. $3,487.80 13
Pacira Pharmaceuticals Incorporated $2,744.04 2
Stryker Corporation $1,684.88 8
Medtronic, Inc. $223.00 2
Alphatec Spine, Inc $199.36 2
PROVIDENCE MEDICAL TECHNOLOGY, INC. $139.20 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $59.31 1
PY2019 $28.90 1
PY2023 $387.72 6
PY2024 $8,478.28 28

Payment records · PY2024 (28)

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

Program year 2024 201820192023 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
Alphatec Spine, Inc $77.44 12/06/2024 Food and Beverage Undisputed 01/23/2026 1095489692 CMS
Alphatec Spine, Inc $121.92 12/09/2024 Food and Beverage Undisputed 01/23/2026 1095489694 CMS
Globus Medical, Inc. $117.66 03/21/2024 Food and Beverage Undisputed 01/23/2026 1145026034 CMS
Globus Medical, Inc. $2,160.91 04/18/2024 Travel and Lodging Undisputed 01/23/2026 1145026156 CMS
Globus Medical, Inc. $5.00 04/18/2024 Travel and Lodging Undisputed 01/23/2026 1145026158 CMS
Globus Medical, Inc. $22.87 04/27/2024 Food and Beverage Undisputed 01/23/2026 1145026168 CMS
Globus Medical, Inc. $150.11 04/28/2024 Food and Beverage Undisputed 01/23/2026 1145026098 CMS
Globus Medical, Inc. $26.67 04/29/2024 Food and Beverage Undisputed 01/23/2026 1145026100 CMS
Globus Medical, Inc. $156.00 05/09/2024 Travel and Lodging Undisputed 01/23/2026 1145026174 CMS
Globus Medical, Inc. $79.55 05/23/2024 Food and Beverage Undisputed 01/23/2026 1145026102 CMS
Globus Medical, Inc. $5.00 06/04/2024 Travel and Lodging Undisputed 01/23/2026 1145026160 CMS
Globus Medical, Inc. $420.98 06/04/2024 Travel and Lodging Undisputed 01/23/2026 1145026162 CMS
Globus Medical, Inc. $97.25 06/07/2024 Food and Beverage Undisputed 01/23/2026 1145026070 CMS
Globus Medical, Inc. $88.76 06/08/2024 Food and Beverage Undisputed 01/23/2026 1145026072 CMS
Globus Medical, Inc. $157.04 07/18/2024 Travel and Lodging Undisputed 01/23/2026 1145026184 CMS
Medtronic, Inc. $211.53 01/18/2024 Food and Beverage Undisputed 01/23/2026 1119566788 CMS
Medtronic, Inc. $11.47 04/12/2024 Food and Beverage Undisputed 01/23/2026 1119566790 CMS
Pacira Pharmaceuticals Incorporated $940.11 05/01/2024 Honoraria Undisputed 01/23/2026 1151258388 CMS
Pacira Pharmaceuticals Incorporated $1,803.93 05/01/2024 Honoraria Undisputed 01/23/2026 1151258390 CMS
Providence Medical Technology, Inc. $139.20 12/09/2024 Food and Beverage Undisputed 01/23/2026 1089606305 CMS
Stryker Corporation $29.15 10/08/2024 Food and Beverage Undisputed 01/23/2026 1120023552 CMS
Stryker Corporation $850.51 10/08/2024 Travel and Lodging Undisputed 01/23/2026 1120023554 CMS
Stryker Corporation $60.53 10/10/2024 Food and Beverage Undisputed 01/23/2026 1120023556 CMS
Stryker Corporation $147.23 10/10/2024 Food and Beverage Undisputed 01/23/2026 1120023558 CMS
Stryker Corporation $121.23 10/11/2024 Travel and Lodging Undisputed 01/23/2026 1120023560 CMS
Stryker Corporation $157.53 10/14/2024 Travel and Lodging Undisputed 01/23/2026 1120023562 CMS
Stryker Corporation $179.62 10/14/2024 Travel and Lodging Undisputed 01/23/2026 1120023564 CMS
Stryker Corporation $139.08 10/25/2024 Travel and Lodging Undisputed 01/23/2026 1120023566 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, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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