Gregory Loewen is a Respiratory physician. OpenAlex indexes 66 publications with 2,693 citations (h-index 27); ClinicalTrials.gov lists 2 registered studies matched to this name.
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
Telephone
Practice address and telephone from the federal NPPES registry.
Sign in to view contact details →Clinical trials
- Photodynamic Therapy With HPPH in Treating Patients With Non-Small Cell Lung Cancer
Sponsor: Roswell Park Cancer Institute
- Photodynamic Therapy Plus Brachytherapy in Treating Patients With Lung Cancer
Sponsor: Roswell Park Cancer Institute
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
17 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Janssen Pharmaceuticals, IncProgram year20251 payment
- Janssen Pharmaceuticals, IncProgram year20241 payment
- Actelion Pharmaceuticals US, Inc.Program year20241 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
NIH funding
1 NIH research award on record, funded 2005–2005 per NIH RePORTER. The latest:
- Calcitriol for Chemoprevention in Preinvasive Bronchial Epithelial Lesions
Roswell Park Cancer Institute Corp
FY2005$652,222R01CA112238
Awards in the NIH RePORTER records where a principal investigator name matches this physician at an organization in their practice state. Latest award years shown; each row links to the project record on RePORTER.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
- Case‐fatality study of workers and residents with radiographic asbestos disease in Libby, Montana
American Journal of Industrial Medicine
2021 - Lung cancer screening in patients with Libby amphibole disease: High yield despite predominantly environmental and household exposure
American Journal of Industrial Medicine
2019
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, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”