Donna Ryan is an Internal Medicine physician affiliated with Pennington Biomedical Research Center. OpenAlex indexes 382 publications with 38,144 citations (h-index 80). By OpenAlex citation count, this profile ranks in the top 5% of Internal Medicine profiles in the findmyKOL directory.
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
152 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
152 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.
Frank Greenway, MD
Pennington Biomedical Research Center
Sylvia Heidingsfelder, MD
Pennington Biomedical Research Center
Philip Schauer, MD
Pennington Biomedical Research Center
Kishore Gadde, MD
Pennington Biomedical Research Center
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.”