John Christein is a Surgery physician affiliated with University of Alabama. OpenAlex indexes 139 publications with 7,021 citations (h-index 43). By OpenAlex citation count, this profile ranks in the top 10% of Surgery profiles in the FindMyKOL directory.
Overview
Scholarship
indexed output and impact (OpenAlex)Publications indexed by OpenAlex, matched via ORCID. Counts exclude supporting files.
Citations across these publications.
H-index from these publications.
Clinical & industry
trials, payments and federal fundingIndustry payments
23 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Boston Scientific CorporationProgram year20251 payment
- AngioDynamics, Inc.Program year20251 payment
- AstraZeneca Pharmaceuticals LPProgram year20251 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Similar KOLs
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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. Reviewed account links and congress post links can appear separately. Absence of a section means “not yet looked,” never “none found.”