Thomas Hemmen is a Neurology physician affiliated with UC San Diego Health System. OpenAlex indexes 179 publications with 3,999 citations (h-index 30); 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
200 W Arbor Dr
San Diego, CA 921039000
Telephone
800-926-8273Provider last certified this registry record 23 Jul 2024.
Clinical trials
- Safety of Rt-PA + Transcranial Emission of Low-Energy Lasers for Acute Stroke Recovery
Sponsor: University of California, San Diego
- The Intravascular Cooling in the Treatment of Stroke 2/3 Trial
Sponsor: University of California, San Diego
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
2 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Genentech USA, Inc.Program year20241 payment
- Viz.ai, Inc.Program year20221 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 2008–2012 per NIH RePORTER. The latest:
- Spot Sign for Predicting and Treating ICH Growth (STOP IT)
University of California, San Diego
FY2012$120,424P50NS044148 - Spot Sign for Predicting and Treating ICH Growth (STOP IT)
University of California, San Diego
FY2011$127,686P50NS044148 - Spot Sign for Predicting and Treating ICH Growth (STOP IT)
University of California, San Diego
FY2010$59,198P50NS044148
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.
- A Stroke Care Model at an Academic, Comprehensive Stroke Center During the 2020 COVID-19 Pandemic
Journal of Stroke and Cerebrovascular Diseases
2020 - Evolving Healthcare Delivery in Neurology During the Coronavirus Disease 2019 (COVID-19) Pandemic
Frontiers in Neurology
2020
Similar KOLs
Other experts from the same institution or the same specialty.
Andrew Sharabi, MD, PhD
UC San Diego Health System
Melissa Johnson, MD
UC San Diego Health System
Thomas Kipps, MD
UC San Diego Health System
Victor Nizet, MD
UC San Diego Health System
Bruce Miller, MD
University of California, San Francisco (UCSF)
Brett Kissela, MD
Medical College of Wisconsin
Bradley Boeve, MD
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Richard Lipton, 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.”