Physician profile

Harnath Singh

Nephrology (Internal Medicine) · Flagstaff, AZ

NPI 1538133236

$1,460.87

in general payments reported to CMS, 2019-2025

23 companies · $89.40 in 2025

The $89.40 reported for 2025 was less than what a typical Nephrology (Internal Medicine) provider received nationally (typical 2025 total: $311).

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$731.23
Education$40.22

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
Vifor Pharma, INC. $210.95 2019-2024 Veltassa
Astrazeneca Pharmaceuticals LP $190.97 2019-2024 Farxiga, Lokelma
Otsuka America Pharmaceutical, INC. $141.44 2019-2024 Jynarque
Horizon Therapeutics Plc $133.49 2021-2023 Krystexxa
Akebia Therapeutics INC $106.48 2019-2025 Vafseo
Opko Pharmaceuticals, LLC $92.19 2020-2023 Rayaldee
Mallinckrodt Hospital Products INC. $80.51 2023-2024 Acthar
Glaxosmithkline, LLC. $70.13 2021-2023 Benlysta
Bayer Healthcare Pharmaceuticals INC. $66.79 2021-2023
Amgen INC. $64.89 2023-2025 Tavneos, Krystexxa
Aurinia Pharma U.S., INC. $38.37 2023-2024 Lupkynis
Daiichi Sankyo INC. $37.25 2023 Injectafer
Takeda Pharmaceuticals U.S.A., INC. $30.42 2021
Nxstage Medical, INC. $26.37 2021
Alexion Pharmaceuticals, INC. $22.45 2019
Show all 23 companies
CompanyGeneral paymentsYearsTop products
Mallinckrodt Enterprises LLC $21.48 2019
Ardelyx, INC. $21.17 2024 Ibsrela
Genzyme Corporation $20.89 2019
Novartis Pharmaceuticals Corporation $18.31 2024
Shield Therapeutics INC $17.64 2023 Accrufer
Travere Therapeutics, INC. $16.89 2024
Ani Pharmaceuticals, INC. $15.98 2023 Purified Cortrophin Gel
Fresenius USA Marketing, INC. $15.81 2019

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.

If you want to bring it up

Most clinicians are glad to talk about this. A respectful way in:

These are normal questions. A good clinician will welcome them.

Share this page

Payment summary

Harnath Singh

$1,460.87

in general payments reported 2019-2025

Years
2019-2025
Top company
Vifor Pharma, INC.
Context
The $89.40 reported for 2025 was less than what a typical Nephrology (Internal Medicine) provider received nationally (typical 2025 total: $311).

https://glasscript.com/doctor/24307/harnath-singh

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

Keep an eye on this page

Get an email when the next June refresh changes this page. No account needed.

Watch this doctor

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.