Leif Ellisen is an Oncology physician.
Overview
Scholarship
indexed output and impact (OpenAlex)Research metrics aren't shown for this record. Either we found no confident publication match for this name, or more than one physician shares the matched author record. We'd rather show nothing than someone else's numbers. Why? →
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
55 Fruit St
Grj 904
Boston, MA 021142696
Telephone
617-724-1399Registry record last updated 22 Oct 2012.
Industry payments
3 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Stemline Therapeutics Inc.Program year20253 payments
- Gilead Sciences, Inc.Program year20252 payments
- AstraZeneca Pharmaceuticals LPProgram year20251 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
NIH funding
8 NIH research awards on record, funded 1999–2026 per NIH RePORTER. The latest:
- Elucidating resistance mechanisms and enhancing response to immune checkpoint blockade in central nervous system metastases from breast cancer
Massachusetts General Hospital
FY2026$2,082,604R01CA294793 - Subclonal heterogeneity and outcome disparities in Triple-Negative Breast Cancer among African Americans
Massachusetts General Hospital
FY2026$784,127R01CA248923 - Synergistic combinatorial DNA damage response/repair inhibition and Sacituzumab Govitecan in triple-negative breast cancer
Massachusetts General Hospital
FY2026$559,783R01CA260890
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.
Similar KOLs
Other experts from the same institution or the same specialty.
Freddie Bray
Centre National de la Recherche Scientifique
Jacques Ferlay
Centre international de recherche sur le cancer
Hermann Brenner
German Cancer Research Center
Isabelle Soerjomataram
Centre international de recherche sur le cancer
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.”