Physician profile

Christopher Naresh Singh

Ophthalmology · Grand Blanc, MI

NPI 1083724900

$13,352.80

in general payments reported to CMS, 2019-2025

15 companies · $1,483 in 2025

The $1,483 reported for 2025 was more than what 85% of Ophthalmology providers received nationally (typical 2025 total: $384).

Payments by year

General and research 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$5,187.89
Honoraria$3,712.50

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. Research payments are listed separately below. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Alimera Sciences, INC. $10,744.28 2019-2024 Iluvien, Yutiq
Ani Pharmaceuticals, INC. $1,377.95 2025 Iluvien, Purified Cortrophin Gel
Novartis Pharmaceuticals Corporation $338.31 2019-2020
Genentech USA, INC. $232.94 2019-2024 Vabysmo
Regeneron Healthcare Solutions, INC. $126.39 2019-2024 Eylea Hd, Eylea
Apellis Pharmaceuticals, INC. $126.01 2023-2024 Syfovre
Aerie Pharmaceuticals, INC. $78.64 2019
Astellas Pharma US INC $70.00 2024 Izervay
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) $51.48 2025 Caplyta
Eyepoint US, INC. $48.77 2019-2023
Bausch & Lomb Americas INC. $45.13 2023 Xipere
Boston Scientific Corporation $40.00 2024
Otsuka America Pharmaceutical, INC. $38.44 2025 Abilify Asimtufii, Abilify Maintena
Carl Zeiss Meditec Ag $19.40 2020
Otsuka Pharmaceutical Development & Commercialization, INC. $15.06 2025

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.

Research and ownership

$6,223.74 in research payments reported 2019-2025. Research payments are often institution-directed and tied to clinical trials: they are reported under a clinician's name but frequently go to a hospital or research organization, and usually reflect participation in medical research.

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Payment summary

Christopher Naresh Singh

$13,352.80

in general payments reported 2019-2025

Years
2019-2025
Top company
Alimera Sciences, INC.
Context
The $1,483 reported for 2025 was more than what 85% of Ophthalmology providers received nationally (typical 2025 total: $384).

https://glasscript.com/doctor/48809/christopher-naresh-singh

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.