Osamu Sakai is a Neuroradiology physician affiliated with Massachusetts Eye and Ear Infirmary. OpenAlex indexes 373 publications with 5,922 citations (h-index 42).
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingIndustry payments
2 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
2 companies with payments on record in CMS Open Payments (2021 onward), matched to this physician's NPI. The itemized breakdown by company, amount and year is part of the full profile. Why? →
Similar KOLs
Other experts from the same institution or the same specialty.
Dean Eliott, MD
Massachusetts Eye and Ear Infirmary
Leo Kim, MD
Massachusetts Eye and Ear Infirmary
Daniel Liebman, MD
Massachusetts Eye and Ear Infirmary
Reza Dana, MD, MSE, MPH
Massachusetts Eye and Ear Infirmary
No other directory profiles share this specialty yet.
A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments, shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”