Marielle Terheyden, NP

In their first decade of practice, Marielle Terheyden represents the newer generation of nurse practitioner providers, NP, after earning their medical degree at Other in 2019. Marielle currently practices across 2 facilities, including Sutter Valley Medical Foundation in Fairfield, California. Their National Provider Identifier (NPI) is 1285266593, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

CMS Medicare data shows Marielle Terheyden as a lower-volume nurse practitioner provider, treating approximately 51 Medicare beneficiaries and delivering 70 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.

Under the Physician Payments Sunshine Act, CMS reports that Marielle Terheyden received $14 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.