Dr. Benjamin L. Grannan

Neurosurgery
Gme Office University Of Washington
1959 NE Pacific St, 
Seattle, WA 
Accepting New Patients
Offers Telehealth
Gme Office University Of Washington
1959 NE Pacific St, 
Seattle, WA 

Overview

Benjamin Grannan is a Neurosurgery provider practicing medicine in Seattle, Washington.

His clinical expertise encompasses Hydrocephalus, Seizures, Metastatic Brain Tumor, Deep Brain Stimulation, and Awake Craniotomy.

He is actively involved in clinical research, co-authoring 31 peer reviewed articles. Dr. Grannan is currently accepting new patients.

Specialties

Neurosurgery

Licenses

Neurological Surgery in WA

Hospital Affiliations

University Of Washington Medical Ctr
Harborview Medical Center

Languages Spoken

English
Castilian
Filipino
Japanese
Spanish

Gender

Male

Insurance

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

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Accepted insurance plans:

Premera
  • EPO
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D

Locations

Gme Office University of Washington
1959 NE Pacific St, Seattle, WA 98195
Other Locations
Uw Medicine/Harborview Medical Center
325 9th Ave, Seattle, WA 98104

Additional Areas of Focus

Dr. Grannan has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Neurofibromatosis Type 1 (NF1)

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.

31 Total Publications

Nucleus-specific thalamic involvement in seizure networks differentiates neuromodulation outcomes.
Nucleus-specific thalamic involvement in seizure networks differentiates neuromodulation outcomes.
Journal: medRxiv : the preprint server for health sciences
Published: July 10, 2026
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Frequently Asked Questions about Dr. Benjamin L. Grannan

How do I make an appointment with Dr. Benjamin L. Grannan?

You can book an appointment with Dr. Benjamin L. Grannan by calling their office at 206-598-5637. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Benjamin L. Grannan a top-rated expert for Hydrocephalus?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Benjamin L. Grannan is classified as an Experienced expert for Hydrocephalus, 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. Benjamin L. Grannan specialize in?

While Dr. Benjamin L. Grannan is a Neurosurgery, they have specific expertise in Hydrocephalus, Deep Brain Stimulation, and Seizures. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Neurosurgery.

Does Dr. Benjamin L. Grannan participate in research or clinical trials?

Yes. Dr. Benjamin L. Grannan has published 31 articles and abstracts on conditions like Hydrocephalus. You can view a list of Dr. Benjamin L. Grannan's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Benjamin L. Grannan accept my insurance?

Dr. Benjamin L. Grannan accepts most major insurance plans, including Premera and UnitedHealthcare. We recommend calling the office directly at 206-598-5637 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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