Device Nephrology

Nxstage System One

Payments companies reported to CMS as associated with Nxstage System One. "Associated with" is CMS's wording: it links a payment to a product without saying the money was spent on it.

$422Kassociated payments (2023-2025)

1,971clinicians with associated payments

4companies reporting

By year

2023 $166K

2024 $109K

2025 $147K

Payments reported as associated with Nxstage System One, per program year, as reported to CMS.

Who makes it

Specialties most often involved

Nephrology (Internal Medicine) $329K

Internal Medicine $30K

Nurse Practitioner $13K

Family $12K

Critical Care Medicine (Internal Medicine) $5,844

Acute Care (Nurse Practitioner) $3,433

Where the associated payments went, by the receiving clinician's specialty.

Clinicians most associated with Nxstage System One

These are the largest totals companies reported as associated with Nxstage System One. They are typically speaking or consulting arrangements, which companies must report by law; appearing here is not evidence of anything improper.

Clinician	Location	Specialty	Associated payments (2023-2025)
Casey Gashti	Chicago, IL	Nephrology (Internal Medicine)	$33,746.07
Prayus Tailor	Newark, DE	Nephrology (Internal Medicine)	$33,252.20
Osama El Shamy	Nashville, TN	Nephrology (Internal Medicine)	$32,252.07
Kevin Griffiths	Washington, DC	Internal Medicine	$20,703.81
Anitha Vijayan	Murray, UT	Nephrology (Internal Medicine)	$17,729.27
Luis Juncos	Little Rock, AR	Nephrology (Internal Medicine)	$15,564.51
Jose Morfin	Sacramento, CA	Nephrology (Internal Medicine)	$15,027.20
Charuhas Thakar	Cincinnati, OH	Nephrology (Internal Medicine)	$12,471.72
Jason Prosek	Columbus, OH	Nephrology (Internal Medicine)	$8,694.29
Matthew Trainor	Worcester, MA	Nephrology (Internal Medicine)	$8,286.75

Prescribed Nxstage System One?

See what its makers reported for your doctor. Two steps, private, no account.

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What this means, and what it doesn't

These payments are legal and common. Drug and device makers routinely pay for meals at educational events, consulting, speaking, travel, and research. Companies are required by federal law to report them; that's why this data exists.
A payment is not evidence of wrongdoing. Most clinicians who accept industry payments provide excellent care. Research payments in particular often reflect participation in clinical trials.
Context beats raw numbers. A few hundred dollars in sandwiches over several years is typical. What's worth understanding is scale, source, and purpose, which is what this page shows.
The data comes from companies, not doctors. Figures are "as reported to CMS" by the paying companies. Clinicians can dispute records through CMS's official process.

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.