Expertise in
3
conditions

Dr. Claus Z. Simonsen

Neurology
Massachusetts General Hospital
55 Fruit St, 
Boston, MA 
Expertise in
3
conditions
Massachusetts General Hospital
55 Fruit St, 
Boston, MA 

Overview

Claus Simonsen is a Neurologist practicing medicine in Boston, Massachusetts.

Dr. Simonsen is highly rated in 3 conditions, according to our data. His clinical expertise encompasses Stroke, Siderosis, Transient Ischemic Attack (TIA), Subarachnoid Hemorrhage, and Thrombectomy.

He is actively involved in clinical research, co-authoring 179 peer reviewed articles and participating in 1 clinical trial.

Specialties

Neurology

Licenses

Psychiatry & Neurology in MA

Languages Spoken

English

Gender

Male

Insurance

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Locations

Massachusetts General Hospital
55 Fruit St, Boston, MA 02114

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

1 Clinical Trials

Efficacy and Safety of Thrombectomy in Stroke With Extended Lesion and Extended Time Window: a Randomized, Controlled Trial
Efficacy and Safety of Thrombectomy in Stroke With Extended Lesion and Extended Time Window: a Randomized, Controlled Trial
Enrollment Status: Terminated
Publish Date: December 05, 2023
Intervention Type: Other, Device
Study Phase: Not Applicable

179 Total Publications

Sex and Age Differences in Outcomes After Endovascular Thrombectomy of Patients With Acute Ischemic Stroke and Atrial Fibrillation: A Danish Nationwide Study.
Sex and Age Differences in Outcomes After Endovascular Thrombectomy of Patients With Acute Ischemic Stroke and Atrial Fibrillation: A Danish Nationwide Study.
Journal: Journal of the American Heart Association
Published: August 07, 2026
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Office

55 Fruit St # 9, 
Boston, MA 
 (0.1 miles away)
617-724-8770
Languages Spoken:
English
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Massachusetts General Hospital

55 Fruit St, 
Boston, MA 
 (0.1 miles away)
617-726-3216
Languages Spoken:
English
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Accepting New Patients
Offers Telehealth

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Frequently Asked Questions about Dr. Claus Z. Simonsen

How do I make an appointment with Dr. Claus Z. Simonsen?

You can book an appointment with Dr. Claus Z. Simonsen by calling their office at 617-726-2066. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Claus Z. Simonsen a top-rated expert for Stroke?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Claus Z. Simonsen is classified as an Distinguished expert for Stroke, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Claus Z. Simonsen specialize in?

While Dr. Claus Z. Simonsen is a Neurology, they have specific expertise in Stroke, Thrombectomy, and Siderosis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Neurology.

Does Dr. Claus Z. Simonsen participate in research or clinical trials?

Yes. Dr. Claus Z. Simonsen has published 179 articles and abstracts on conditions like Stroke. You can view a list of Dr. Claus Z. Simonsen's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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