Dr. Marlena Klein, DO

In their first decade of practice, Dr. Marlena Klein represents the newer generation of internal medicine providers, DO, after earning their medical degree at Other in 2017. Dr. currently practices at Daniel H Isaac Od Pa in Cherry Hill, New Jersey. Their National Provider Identifier (NPI) is 1457871063, 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 Dr. Marlena Klein as a lower-volume internal medicine provider, treating approximately 285 Medicare beneficiaries and delivering 641 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 Dr. Marlena Klein received $454 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.