Physician profile

Maria T Tam

Obstetrics & Gynecology · Chicago, IL

NPI 1003843517

$377,823.98

in general payments reported to CMS, 2019-2025

31 companies · $99K in 2025

The $99K reported for 2025 was more than what 99% of Obstetrics & Gynecology providers received nationally (typical 2025 total: $158).

Payments by year

General payments by program year, as reported to CMS.

What the payments were for

Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.

View as a table
Payment typeAmount (2023-2025)
Education$126,900.00
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$57,311.48
Travel and Lodging$27,299.21
Food and Beverage$9,850.59
Consulting Fee$8,513.19
Compensation For Serving As Faculty Or As A Speaker For A Medical Education Program$7,306.41

Payment-type detail covers 2023-2025; earlier years are included in totals but not broken out here.

Who reported paying

General payments only, as reported to CMS. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Intuitive Surgical, INC. $168,150.16 2019-2025 Da Vinci Surgical System
Medtronic, INC. $71,993.81 2021-2025 Truclear, Ligasure
Abbvie INC. $53,618.01 2019-2025 Liletta, Lo Loestrin Fe
Organon LLC $30,211.60 2021-2025 Nexplanon
Covidien Lp $22,146.74 2019-2020
Merck Sharp & Dohme LLC $15,543.93 2019-2021
Coopersurgical, INC. $11,175.21 2019-2025 Paragard T 380a, Paragard T 380a
Ge Healthcare $2,572.00 2020-2022
Applied Medical Resources Corporation $777.88 2021
Gynesonics, INC. $374.61 2022-2024 Sonata Sonography-Guided Transcervical Fibroid Ablation System
Sumitomo Pharma America, INC. $178.81 2023-2024 Myfembree
Pacira Pharmaceuticals Incorporated $149.33 2025 Exparel
Davol INC. $125.00 2019
Dysis Medical, INC. $114.15 2019
Aspira Women'S Health INC $109.51 2021-2022
Show all 31 companies
CompanyGeneral paymentsYearsTop products
Baxter Healthcare $93.18 2023 Tisseel
Myovant Sciences INC. $73.11 2022
Minerva Surgical, INC $64.82 2022-2023
Lsi Solutions INC $54.46 2025 Running Device, Fornisee, Ti-Knot
Avion Pharmaceuticals $53.55 2020-2023 Balcoltra
Hologic Sales and Service, LLC $48.99 2023-2025 Aptima, Coolseal Generator
Vertical Pharmaceuticals, LLC $30.49 2020
Bayer Healthcare Pharmaceuticals INC. $24.98 2020
Pfizer INC. $24.26 2022
Millicent US INC $23.81 2025 Intrarosa, Femlyv
Agile Therapeutics, INC. $19.84 2021
Exeltis, USA INC. $18.71 2019
Olympus America INC. $13.89 2021
Monaghan Medical Corporation $13.75 2023 Aeroeclipse
Allergan, INC. $13.50 2019
Medline Industries Lp $11.89 2022

Drugs and devices associated with these payments

CMS records which products a payment was associated with, not how the money was allocated. Association is not allocation: one payment can be associated with several products, and a product listing does not mean the payment was made because of that product. Product detail covers 2023-2025.

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Payment summary

Maria T Tam

$377,823.98

in general payments reported 2019-2025

Years
2019-2025
Top company
Intuitive Surgical, INC.
Context
The $99K reported for 2025 was more than what 99% of Obstetrics & Gynecology providers received nationally (typical 2025 total: $158).

https://glasscript.com/doctor/317658/maria-t-tam

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.