Physician profile

Robert Y Knowlton

Obstetrics & Gynecology · West Columbia, SC

NPI 1952690984

$2,516.74

in general payments reported to CMS, 2019-2025

33 companies · $386 in 2025

The $386 reported for 2025 was more than what a typical Obstetrics & Gynecology provider received nationally (typical 2025 total: $158).

See the full distribution for Obstetrics & Gynecology

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)
Food and Beverage$1,352.33

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
Abbvie INC. $487.74 2019-2024
Astellas Pharma US INC $207.60 2023-2025 Veozah
Aspira Women'S Health INC $199.90 2022-2023 Ova1
Daiichi Sankyo INC. $195.12 2022-2025 Injectafer
Pfizer INC. $144.40 2022-2024
Exeltis, USA INC. $142.06 2022-2025 Slynd
Sumitomo Pharma America, INC. $108.75 2023-2025 Myfembree, Gemtesa
Exact Sciences Corporation $108.35 2023-2025 Cologuard Collection Kit
Bayer Healthcare Pharmaceuticals INC. $83.92 2022-2025
Novo Nordisk INC $83.59 2022-2024 Wegovy
Sage Therapeutics, LLC $81.07 2025 Zurzuvae
Agile Therapeutics, INC. $60.75 2022
Biohaven Pharmaceutical Holding Company LTD. $58.70 2022
Mayne Pharma Commercial LLC $48.29 2022-2024
Therapeuticsmd, INC. $47.56 2022
Show all 33 companies
CompanyGeneral paymentsYearsTop products
Evofem Biosciences, INC. $45.30 2022
Scynexis, INC. $42.84 2022
Myovant Sciences INC. $40.36 2022
Optumhealth Care Solutions, LLC $39.67 2024 Vivify Health Care Team Portal 001, Eitan Medical
Shield Therapeutics INC $37.66 2022-2023 Accrufer
Pacira Pharmaceuticals Incorporated $35.50 2024-2025 Exparel
Avion Pharmaceuticals $34.07 2022
Dexcom, INC. $27.83 2023 Dexcom G6 Transmitter
Supernus Pharmaceuticals, INC. $21.39 2025 Qelbree
Mylan Pharmaceuticals INC. $21.23 2022
Meditrina $20.70 2023
Coopersurgical, INC. $15.15 2023 Paragard T 380a
Takeda Pharmaceuticals U.S.A., INC. $14.61 2022
Merck Sharp & Dohme LLC $14.19 2024 Gardasil, Gardasil 9
Hologic Sales and Service, LLC $14.13 2021
Boston Scientific Corporation $13.49 2022
Channel Medsystems, INC. $10.92 2025
Organon LLC $9.90 2024

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

Robert Y Knowlton

$2,516.74

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $386 reported for 2025 was more than what a typical Obstetrics & Gynecology provider received nationally (typical 2025 total: $158).

https://glasscript.com/doctor/1336357/robert-y-knowlton

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.