
Join to View Full Profile
33 Fruit StMass General Physican OrganizationBoston, MA 02114
Phone+1 617-724-7066
Fax+1 617-726-5123
Dr. Johnson is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Education & Training
Mass General Brigham/Brigham and Women's Hospital/Harvard Medical SchoolResidency, Nuclear Medicine, 2001 - 2002
Mass General Brigham/Brigham and Women's Hospital/Massachusetts General Hospital/Harvard Medical SchoolResidency, Neurology, 1985 - 1986
Beth Israel Deaconess Medical Center/Harvard Medical SchoolResidency, Neurology, 1982 - 1985
McGaw Medical Center of Northwestern UniversityInternship, Internal Medicine, 1981 - 1982
University of Kansas School of MedicineClass of 1981
Certifications & Licensure
MA State Medical License 1988 - 2027
American Board of Psychiatry and Neurology Neurology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2017
- CMS Meaningful Use Stage 1 Certification OpTime Surgical 2014 Certified Module, Epic Systems Corporation, 2017
- CMS Meaningful Use Stage 1 Certification EpicCare Inpatient 2014 Certified EHR Suite, Epic Systems Corporation, 2017
Clinical Trials
- Analysis of 18F-AV-1451 PET Imaging in Cognitively Healthy, MCI, and AD Subjects Start of enrollment: 2013 Dec 01
Publications & Presentations
PubMed
- Association of Circulating Vitamin D in Midlife With Increased Tau-PET Burden in Dementia-Free Adults.Martin David Mulligan, Matthew R Scott, Qiong Yang, Ruiqi Wang, Saptaparni Ghosh
Neurology Open Access. 2026-06-01 - Influence of an AQP4 haplotype and sleep duration on early Alzheimer's disease.Emma L Palatsides, Stephanie Yiallourou, Dibya Himali, Marina G Cavuoto, Andrée-Ann Baril
Alzheimer's & Dementia. 2026-06-01 - Hemorrhage Pattern and Amyloid Burden in Cerebral Amyloid Angiopathy.Elif Gokcal, J Alex Becker, Mitchell J Horn, Ofer Rotschild, Alvin S Das
Journal of the American Heart Association. 2026-05-19
Journal Articles
- Short-Term Psychological Outcomes of Disclosing Amyloid Imaging Results to Research Participants Who Do Not Have Cognitive ImpairmentJeffrey M Burns, Keith A Johnson, Reisa A Sperling, Jason Karlawish, JAMA Neurology
- Association of Factors with Elevated Amyloid Burden in Clinically Normal Older IndividualsReisa A Sperling, Eric Siemers, Keith A Johnson, JAMA Neurology
- Nonlinear Distributional Mapping (NoDiM) for Harmonization Across Amyloid-PET Radiotracers☆Jasmeer P Chhatwal, Reisa A Sperling, Keith A Johnson, ScienceDirect
Authored Content
- Short-Term Psychological Outcomes of Disclosing Amyloid Imaging Results to Research Participants Who Do Not Have Cognitive ImpairmentAugust 2020
- Association of Factors with Elevated Amyloid Burden in Clinically Normal Older IndividualsApril 2020
- Sex, Amyloid, and APOE ε4 and Risk of Cognitive Decline in Preclinical Alzheimer's Disease: Findings from Three Well-Characterized CohortsMay 2018
Press Mentions
Associations of Regional Brain Structural Differences with Aging, Modifiable Risk Factors for Dementia, and Cognitive PerformanceDecember 2nd, 2019
AC Immune to Host Key Opinion Leader Event: 'Untangling' Tau Pathology to Treat Alzheimer's and Neurodegenerative DiseasesOctober 24th, 2019
Physical Activity Moderates Amyloid-Beta Burden in Clinically Normal Older AdultsAugust 22nd, 2019
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:









