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Office
100 Foden Rd
# W
South Portland, ME 04106Phone+1 207-828-1122Fax+1 207-828-0188
Education & Training
- MaineHealthFellowship, Pulmonary Disease and Critical Care Medicine, 1988 - 1991
- McGaw Medical Center of Northwestern UniversityResidency, Emergency Medicine, 1985 - 1988
- McGaw Medical Center of Northwestern UniversityInternship, Transitional Year, 1984 - 1985
- University of Vermont College of MedicineClass of 1984
Certifications & Licensure
- ME State Medical License 1989 - 2026
- IL State Medical License 1984 - 1990
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Critical Care Medicine
- American Board of Internal Medicine Pulmonary Disease
Awards, Honors, & Recognition
- Regional Top Doctor Castle Connolly, 2014
- CMS Meaningful Use Stage 1 Certification NextGen Ambulatory EHR, NextGen Healthcare, 2012-2013
- Fellow (FCCM) American College of Critical Care Medicine
Publications & Presentations
PubMed
- Clinical Consequences of Disproportionate Free Valproate Elevation in Critically Ill Adult Patients: A Multicenter Retrospective Cohort Study.Andrew J Webb, David J Gagnon, Caitlin S Brown, Richard R Riker, Natasha D Lopez
Neurocritical Care. 2025-03-25 - Advancing Delirium Assessment in Neurocritically Ill Adults.John W Devlin, Richard R Riker
Critical Care Medicine. 2025-03-01 - Midodrine initiation criteria, dose titration, and adverse effects when administered to treat shock: A systematic review and semi-quantitative analysis.Madeleine M Puissant, Kaitlin J Armstrong, Richard R Riker, Samir Haydar, Tania D Strout
Journal of Critical Care Medicine. 2025-01-01
Professional Memberships
- Fellow
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