Expertise in
14
conditions

Dr. Alexander R. Guimaraes

Radiology
OHSU Hospital
3181 SW Sam Jackson Park Rd, 
Portland, OR 
Accepting New Patients
Referral may be required
Before you request
Expertise in
14
conditions
OHSU Hospital
3181 SW Sam Jackson Park Rd, 
Portland, OR 

Overview

Alexander Guimaraes is a Radiologist practicing medicine in Portland, Oregon.

Dr. Guimaraes is highly rated in 14 conditions, according to our data. His clinical expertise encompasses Gastrointestinal Stromal Tumor, Ascites, Visceromegaly, and WT1-Related Wilms Tumor Syndromes.

He is actively involved in clinical research, co-authoring 85 peer reviewed articles and participating in 2 clinical trials. Dr. Guimaraes is currently accepting new patients.

Specialties

Radiology

Licenses

Diagnostic Radiology in MA

Hospital Affiliations

Ohsu Hospital And Clinics

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Tufts
  • HMO

Locations

OHSU Hospital
3181 SW Sam Jackson Park Rd, Portland, OR 97239

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.

2 Clinical Trials

A Pilot Study Using a Novel Imaging of Lymph Nodes in Patients With Locally Advanced Esophageal Cancer Using Ferumoxytol Enhanced MRI
A Pilot Study Using a Novel Imaging of Lymph Nodes in Patients With Locally Advanced Esophageal Cancer Using Ferumoxytol Enhanced MRI
Enrollment Status: Withdrawn
Publish Date: September 16, 2021
Intervention Type: Drug, Procedure
Study Drug: Ferumoxytol
Study Phase: Early Phase 1
Novel Imaging of Lymph Nodes in Patients With Rectal Cancer Using Ferumoxytol Enhanced MRI
Novel Imaging of Lymph Nodes in Patients With Rectal Cancer Using Ferumoxytol Enhanced MRI
Enrollment Status: Terminated
Publish Date: September 10, 2021
Intervention Type: Procedure, Drug
Study Phase: Early Phase 1
View 1 Less Clinical Trial

85 Total Publications

Surveillance for Pancreatic Cancer: Knowledge, Motivations, Barriers, and Preferences Among High-Risk Individuals and Underserved Populations.
Surveillance for Pancreatic Cancer: Knowledge, Motivations, Barriers, and Preferences Among High-Risk Individuals and Underserved Populations.
Journal: Cancer control : journal of the Moffitt Cancer Center
Published: July 13, 2026
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Frequently Asked Questions about Dr. Alexander R. Guimaraes

How do I make an appointment with Dr. Alexander R. Guimaraes?

You can book an appointment with Dr. Alexander R. Guimaraes by calling their office at 503-418-0990. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Alexander R. Guimaraes a top-rated expert for Gastrointestinal Stromal Tumor?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Alexander R. Guimaraes is classified as an Distinguished expert for Gastrointestinal Stromal Tumor, 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. Alexander R. Guimaraes specialize in?

While Dr. Alexander R. Guimaraes is a Radiology, they have specific expertise in Gastrointestinal Stromal Tumor, Ascites, and Visceromegaly. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Radiology.

Does Dr. Alexander R. Guimaraes participate in research or clinical trials?

Yes. Dr. Alexander R. Guimaraes has published 85 articles and abstracts on conditions like Gastrointestinal Stromal Tumor. You can view a list of Dr. Alexander R. Guimaraes's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Alexander R. Guimaraes accept my insurance?

Dr. Alexander R. Guimaraes accepts most major insurance plans, including Blue Cross Blue Shield and Tufts. We recommend calling the office directly at 503-418-0990 to verify that your specific plan is currently accepted before your visit.

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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