Charles Geyer is an Oncology physician. OpenAlex indexes 387 publications with 50,191 citations (h-index 76); ClinicalTrials.gov lists 2 registered studies matched to this name. By OpenAlex citation count, this profile ranks in the top 5% of Hematology / Oncology 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 fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
6445 Main St Fl 24
Houston, TX 770301502
Telephone
713-441-9948Provider last certified this registry record 23 Jun 2020.
Clinical trials
- Testing the Drug Atezolizumab or Placebo With Usual Therapy in First-Line HER2-Positive Metastatic Breast Cancer
Sponsor: National Cancer Institute (NCI)
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
12 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Merck Sharp & Dohme LLCProgram year202512 payments$12,495openpaymentsdata.cms.gov ↗
- Daiichi Sankyo Inc.Program year20252 payments
- AstraZeneca UK LimitedProgram year20251 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
Similar KOLs
Other experts from the same institution or the same specialty.
No other directory profiles share this institution yet.
Carl June, MD
University of Pennsylvania
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University of Washington
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Larry Norton, MD
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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, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”