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

MARIA T TAM

Allopathic & Osteopathic Physicians Obstetrics & Gynecology

NPI
1003843517
CMS profile
317658
Location
CHICAGO, IL

General Payments · PY2018–2024

$317,921.05

  • Reported across 491 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$62,646.19

74 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

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
INTUITIVE SURGICAL, INC. $44,433.78 45
Medtronic, Inc. $16,422.16 21
Organon LLC $1,451.88 3
Gynesonics, Inc. $216.35 3
Sumitomo Pharma America, Inc. $108.26 1
ABBVIE INC. $13.76 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $38,897.55 83
PY2019 $61,189.86 115
PY2020 $37,550.85 30
PY2021 $9,112.67 26
PY2022 $32,789.72 58
PY2023 $75,734.21 105
PY2024 $62,646.19 74

Payment records · PY2024 (74)

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

Program year 2024 201820192020202120222023 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
ABBVIE INC. $13.76 03/05/2024 Food and Beverage Undisputed 01/23/2026 1106197394 CMS
Gynesonics, Inc. $22.81 05/07/2024 Food and Beverage Undisputed 01/23/2026 1128624221 CMS
Gynesonics, Inc. $8.76 10/28/2024 Food and Beverage Undisputed 01/23/2026 1128624223 CMS
Gynesonics, Inc. $184.78 12/03/2024 Food and Beverage Undisputed 01/23/2026 1128624225 CMS
INTUITIVE SURGICAL, INC. $400.44 01/08/2024 Travel and Lodging Undisputed 01/23/2026 1137122651 CMS
INTUITIVE SURGICAL, INC. $400.44 01/08/2024 Travel and Lodging Undisputed 01/23/2026 1137284443 CMS
INTUITIVE SURGICAL, INC. $300.00 01/12/2024 Food and Beverage Undisputed 01/23/2026 1137132100 CMS
INTUITIVE SURGICAL, INC. $4,000.00 01/12/2024 Education Undisputed 01/23/2026 1137210117 CMS
INTUITIVE SURGICAL, INC. $436.21 02/23/2024 Travel and Lodging Undisputed 01/23/2026 1137155727 CMS
INTUITIVE SURGICAL, INC. $19.00 02/23/2024 Travel and Lodging Undisputed 01/23/2026 1137250004 CMS
INTUITIVE SURGICAL, INC. $573.20 03/04/2024 Travel and Lodging Undisputed 01/23/2026 1137220879 CMS
INTUITIVE SURGICAL, INC. $19.00 03/04/2024 Travel and Lodging Undisputed 01/23/2026 1137279336 CMS
INTUITIVE SURGICAL, INC. $220.89 03/05/2024 Travel and Lodging Undisputed 01/23/2026 1137153782 CMS
INTUITIVE SURGICAL, INC. $210.14 03/20/2024 Travel and Lodging Undisputed 01/23/2026 1137192899 CMS
INTUITIVE SURGICAL, INC. $6.00 03/23/2024 Travel and Lodging Undisputed 01/23/2026 1137072695 CMS
INTUITIVE SURGICAL, INC. $245.28 03/26/2024 Travel and Lodging Undisputed 01/23/2026 1137232354 CMS
INTUITIVE SURGICAL, INC. $4,000.00 03/27/2024 Education Undisputed 01/23/2026 1137183464 CMS
INTUITIVE SURGICAL, INC. $300.00 03/27/2024 Education Undisputed 01/23/2026 1137284763 CMS
INTUITIVE SURGICAL, INC. $19.53 04/02/2024 Food and Beverage Undisputed 01/23/2026 1137159153 CMS
INTUITIVE SURGICAL, INC. $10.69 04/02/2024 Food and Beverage Undisputed 01/23/2026 1137160629 CMS
INTUITIVE SURGICAL, INC. $21.05 04/02/2024 Food and Beverage Undisputed 01/23/2026 1137196103 CMS
INTUITIVE SURGICAL, INC. $258.75 04/03/2024 Travel and Lodging Undisputed 01/23/2026 1137097753 CMS
INTUITIVE SURGICAL, INC. $150.00 04/10/2024 Food and Beverage Undisputed 01/23/2026 1137107694 CMS
INTUITIVE SURGICAL, INC. $627.12 04/10/2024 Travel and Lodging Undisputed 01/23/2026 1137187849 CMS
INTUITIVE SURGICAL, INC. $4,000.00 04/10/2024 Education Undisputed 01/23/2026 1137193649 CMS
INTUITIVE SURGICAL, INC. $931.86 04/16/2024 Travel and Lodging Undisputed 01/23/2026 1137282767 CMS
INTUITIVE SURGICAL, INC. $4,000.00 04/17/2024 Education Undisputed 01/23/2026 1137072569 CMS
INTUITIVE SURGICAL, INC. $300.00 04/17/2024 Food and Beverage Undisputed 01/23/2026 1137112290 CMS
INTUITIVE SURGICAL, INC. $150.00 04/24/2024 Food and Beverage Undisputed 01/23/2026 1137198788 CMS
INTUITIVE SURGICAL, INC. $4,000.00 04/24/2024 Education Undisputed 01/23/2026 1137233886 CMS
INTUITIVE SURGICAL, INC. $4,000.00 05/10/2024 Education Undisputed 01/23/2026 1137136198 CMS
INTUITIVE SURGICAL, INC. $150.00 05/10/2024 Food and Beverage Undisputed 01/23/2026 1137261620 CMS
INTUITIVE SURGICAL, INC. $306.96 10/28/2024 Travel and Lodging Undisputed 01/23/2026 1137083539 CMS
INTUITIVE SURGICAL, INC. $6.00 10/28/2024 Travel and Lodging Undisputed 01/23/2026 1137104259 CMS
INTUITIVE SURGICAL, INC. $30.00 10/28/2024 Travel and Lodging Undisputed 01/23/2026 1137265705 CMS
INTUITIVE SURGICAL, INC. $113.12 11/21/2024 Travel and Lodging Undisputed 01/23/2026 1137176461 CMS
INTUITIVE SURGICAL, INC. $472.84 11/21/2024 Travel and Lodging Undisputed 01/23/2026 1137257049 CMS
INTUITIVE SURGICAL, INC. $4,000.00 11/22/2024 Education Undisputed 01/23/2026 1137206159 CMS
INTUITIVE SURGICAL, INC. $300.00 11/22/2024 Food and Beverage Undisputed 01/23/2026 1137225506 CMS
INTUITIVE SURGICAL, INC. $588.61 11/22/2024 Travel and Lodging Undisputed 01/23/2026 1137299133 CMS
INTUITIVE SURGICAL, INC. $12.60 12/03/2024 Food and Beverage Undisputed 01/23/2026 1137237302 CMS
INTUITIVE SURGICAL, INC. $148.86 12/05/2024 Travel and Lodging Undisputed 01/23/2026 1137109741 CMS
INTUITIVE SURGICAL, INC. $109.02 12/06/2024 Travel and Lodging Undisputed 01/23/2026 1137090578 CMS
INTUITIVE SURGICAL, INC. $125.33 12/06/2024 Travel and Lodging Undisputed 01/23/2026 1137238371 CMS
INTUITIVE SURGICAL, INC. $20.84 12/10/2024 Food and Beverage Undisputed 01/23/2026 1137130043 CMS
INTUITIVE SURGICAL, INC. $300.00 12/11/2024 Food and Beverage Undisputed 01/23/2026 1137074026 CMS
INTUITIVE SURGICAL, INC. $4,000.00 12/11/2024 Education Undisputed 01/23/2026 1137156635 CMS
INTUITIVE SURGICAL, INC. $150.00 12/27/2024 Food and Beverage Undisputed 01/23/2026 1137074638 CMS
INTUITIVE SURGICAL, INC. $4,000.00 12/27/2024 Education Undisputed 01/23/2026 1137229595 CMS
Medtronic, Inc. $579.17 01/26/2024 Travel and Lodging Undisputed 01/23/2026 1117023041 CMS
Medtronic, Inc. $34.25 01/26/2024 Travel and Lodging Undisputed 01/23/2026 1117023043 CMS
Medtronic, Inc. $357.25 02/15/2024 Travel and Lodging Undisputed 01/23/2026 1117023045 CMS
Medtronic, Inc. $34.25 02/15/2024 Travel and Lodging Undisputed 01/23/2026 1117023047 CMS
Medtronic, Inc. $34.25 02/15/2024 Travel and Lodging Undisputed 01/23/2026 1117023049 CMS
Medtronic, Inc. $34.25 02/15/2024 Travel and Lodging Undisputed 01/23/2026 1117023051 CMS
Medtronic, Inc. $98.47 02/22/2024 Food and Beverage Undisputed 01/23/2026 1117023059 CMS
Medtronic, Inc. $104.97 02/24/2024 Travel and Lodging Undisputed 01/23/2026 1112034975 CMS
Medtronic, Inc. $21.52 02/24/2024 Food and Beverage Undisputed 01/23/2026 1112034977 CMS
Medtronic, Inc. $11.70 02/29/2024 Food and Beverage Undisputed 01/23/2026 1117023053 CMS
Medtronic, Inc. $31.37 02/29/2024 Food and Beverage Undisputed 01/23/2026 1117023055 CMS
Medtronic, Inc. $35.22 02/29/2024 Food and Beverage Undisputed 01/23/2026 1117023057 CMS
Medtronic, Inc. $1,750.00 03/01/2024 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 1112034965 CMS
Medtronic, Inc. $65.88 03/01/2024 Food and Beverage Undisputed 01/23/2026 1117023063 CMS
Medtronic, Inc. $2,000.00 03/08/2024 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 1112034967 CMS
Medtronic, Inc. $1,000.00 03/08/2024 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 1112034969 CMS
Medtronic, Inc. $4,000.00 03/08/2024 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 1112034971 CMS
Medtronic, Inc. $1,000.00 03/08/2024 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 1112034973 CMS
Medtronic, Inc. $200.85 03/22/2024 Travel and Lodging Undisputed 01/23/2026 1117023061 CMS
Medtronic, Inc. $28.76 09/29/2024 Food and Beverage Undisputed 01/23/2026 1117023065 CMS
Medtronic, Inc. $5,000.00 10/30/2024 Consulting Fee Undisputed 01/23/2026 1112037812 CMS
Organon Llc $57.14 02/13/2024 Travel and Lodging Undisputed 01/23/2026 1136302884 CMS
Organon Llc $19.74 02/13/2024 Food and Beverage Undisputed 01/23/2026 1136302888 CMS
Organon Llc $1,375.00 03/04/2024 Compensation for serving as faculty or as a speaker for a medical education program Undisputed 01/23/2026 1136302882 CMS
Sumitomo Pharma America, Inc. $108.26 02/13/2024 Food and Beverage Undisputed 01/23/2026 1148926208 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, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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