DoctorsProofNPPES directory · verify at state boards

Nephrology in Riverton, UT

2 verified nephrology doctors in Riverton.

Nephrologists treat kidney disease, high blood pressure, and disorders of fluid and electrolyte balance.

NPPES tenure ≠ clinical experience. "Years on NPPES" is time since the physician first registered a National Provider Identifier, not time practicing medicine. Verify current license status with the state medical board.

Verify a license at the Utah Physicians Licensing Board

Dr. Marcellus Assiago, MD

Nephrology

19 yrs NPPES
NPI 1235348897
12523 S CREEK MEADOW RD STE 111, Riverton, UT 84065(801) 288-2634
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $133.34 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$133.34

Total received

8

Transactions

6

Paying companies

Top paying companies

Bayer HealthCare Pharmaceuticals Inc.$32.60
AstraZeneca Pharmaceuticals LP$26.61
Vifor Pharma, Inc.$26.28
Calliditas Therapeutics US Inc.$18.33
Baxter Healthcare$14.82
Otsuka America Pharmaceutical, Inc.$14.70

Among the 10,935 nephrology doctors we've analyzed, about 59% received any industry payment (median $286 among those who did). This doctor's total ranks around the 61th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US nephrology doctors.

Payments to Marcellus Assiago do not imply any wrongdoing. Many are meals, education, or research support.

Dr. James Shaffner, DO

Nephrology

11 yrs NPPES
NPI 1811375298
12523 S CREEK MEADOW RD STE 111, Riverton, UT 84065(801) 288-2634
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $228.33 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$228.33

Total received

11

Transactions

6

Paying companies

Top paying companies

Travere Therapeutics, Inc.$85.26
Bayer HealthCare Pharmaceuticals Inc.$41.84
Otsuka America Pharmaceutical, Inc.$38.60
AstraZeneca Pharmaceuticals LP$29.82
Calliditas Therapeutics US Inc.$18.32
NOVARTIS PHARMACEUTICALS CORPORATION$14.49

Among the 10,935 nephrology doctors we've analyzed, about 59% received any industry payment (median $286 among those who did). This doctor's total ranks around the 68th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US nephrology doctors.

Payments to James Shaffner do not imply any wrongdoing. Many are meals, education, or research support.

Nephrology in Riverton, UT — Verified | DoctorsProof | DoctorsProof