Masaru Ishii
Experienced in Nasal Polyps

Dr. Masaru Ishii

Otolaryngology
Johns Hopkins Medicine
Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
10803 Falls Road, Pavilion III STE 2300, Pavilion III STE 2300, 
Lutherville, MD 

Experienced in Nasal Polyps
Johns Hopkins Medicine
Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
10803 Falls Road, Pavilion III STE 2300, Pavilion III STE 2300, 
Lutherville, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Dr. Masaru Ishii graduated from University of Pennsylvania Perelman School of Medicine. His clinical specialties include surgical management of nasal airway obstruction, chronic sinusitis and sinonasal tumors, as well as endoscopic surgery for skull base tumors.

Dr. Ishii is rated as an Experienced provider by MediFind in the treatment of Nasal Polyps. His top areas of expertise are Cerebrospinal Fluid Leak, Prolactinoma, Olfactory Neuroblastoma, Septoplasty, and Endoscopic Transnasal Transsphenoidal Surgery.

His clinical research consists of co-authoring 143 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 1 article in the study of Nasal Polyps.

Residency
Hospital of the University of Pennsylvania, 2002
Specialties
Otolaryngology
Licenses
Otolaryngology in MD
Board Certifications
Head And Neck Surgery
Hospital Affiliations
The Johns Hopkins Hospital
Languages Spoken
English
Gender
Male

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
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  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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Highmark
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HMSA
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Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
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  • POS
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Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
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  • MEDICARE-MEDICAID PLAN
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
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Medicare
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UnitedHealthcare
  • EPO
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Walgreens
  • MEDICARE DISCOUNT CARD
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Wellcare
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  • MANAGED MEDICAID PLAN
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  • MEDICARE PDP
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  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 16 Less Insurance Carriers -

Locations

Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
10803 Falls Road, Pavilion III STE 2300, Pavilion III STE 2300, Lutherville, MD 21093
Call: 443-997-6467
Other Locations
Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 6, Baltimore, MD 21287
Call: 443-997-6467

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.


143 Total Publications

Monocular Vision-Based Endoscopic Sinus Navigation: A SLAM Driven Approach With CT Integration.
Monocular Vision-Based Endoscopic Sinus Navigation: A SLAM Driven Approach With CT Integration.
Journal: Healthcare technology letters
Published: October 31, 2025
View All 143 Publications
Similar Doctors
Distinguished in Nasal Polyps
Dr. Joshua M. Levy
Otolaryngology
Distinguished in Nasal Polyps
Dr. Joshua M. Levy
Otolaryngology

Centers For Advanced Ent Care LLC

6410 Rockledge Dr, Suite 305, 
Bethesda, MD 
 (36.4 miles away)
301-652-8847
Languages Spoken:
English
See accepted insurances

Joshua Levy is an Otolaryngologist in Bethesda, Maryland. Dr. Levy is rated as a Distinguished provider by MediFind in the treatment of Nasal Polyps. His top areas of expertise are Nasal Polyps, Sinusitis, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Endoscopy, and Septoplasty.

Andrew P. Lane
Distinguished in Nasal Polyps
Dr. Andrew P. Lane
Otolaryngology
Distinguished in Nasal Polyps
Dr. Andrew P. Lane
Otolaryngology

Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville

10803 Falls Road, Pavilion III STE 2300, Pavilion III STE 2300, 
Lutherville, MD 
 (11.5 miles away)
443-997-6467
Languages Spoken:
English
See accepted insurances

Dr. Andrew Lane is the Director of the Johns Hopkins Sinus Center and performs the full range of endoscopic sinus procedures, including transnasal skull base and orbital surgeries. He is dedicated to providing cutting-edge care to his patients and developing new therapies for chronic rhinosinusitis through his clinical and basic science research. He is the longest practicing sinus specialist with advanced fellowship training in the Baltimore/Washington region, with two decades of experience in the medical and surgical management of challenging sinus disease. Dr. Lane received a bachelor's degree from Harvard University and an M.D. from the University of Pennsylvania School of Medicine. He completed his internship in general surgery and residency in Otolaryngology-Head and Neck Surgery at the University of North Carolina at Chapel Hill. He came to Johns Hopkins in 2001, after completing a fellowship in advanced endoscopic sinus surgery techniques at the University of Pennsylvania. Dr. Lane maintains a busy clinical practice while also running an NIH-funded laboratory. His research investigates the causes and potential treatments for chronic rhinosinusitis with nasal polyps, as well as how inflammation affects the sense of smell. An author of over 140 published articles and book chapters, he frequently presents his surgical and research results at national and international meetings. He has earned several prestigious awards for his research about nasal polyps and olfactory loss. Dr. Lane is Editor-in-Chief of Current Otorhinolaryngology Reports, Associate Editor of the American Journal of Rhinology and Allergy, and an Editorial Board member of the International Forum of Allergy & Rhinology. He has served on the Board of Directors of the American Rhinologic Society and chaired the Rhinology and Paranasal Sinus Committee of the American Academy of Otolaryngology – Head and Neck Surgery. He is the Rhinology section leader for the Triological Society’s Best Practice committee. Dr. Lane is often invited to speak at outside medical institutions and regularly conducts media interviews about nasal and sinus issues. Dr. Lane is rated as a Distinguished provider by MediFind in the treatment of Nasal Polyps. His top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Nasal Polyps, Sinusitis, Endoscopy, and Septoplasty.

Distinguished in Nasal Polyps
Dr. Scott D. London
Otolaryngology
Distinguished in Nasal Polyps
Dr. Scott D. London
Otolaryngology

Annapolis Ent Surgical Center LLC

23 Crossroads Dr, Suite 400, 
Owings Mills, MD 
 (13.2 miles away)
410-356-2626
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Scott London is an Otolaryngologist in Owings Mills, Maryland. Dr. London is rated as a Distinguished provider by MediFind in the treatment of Nasal Polyps. His top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, Empyema, and Otitis. Dr. London is currently accepting new patients.

VIEW MORE NASAL POLYPS DOCTORS

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

Find Dr. Ishii's expertise for a condition
ConditionClose
    • Distinguished
    • Cerebrospinal Fluid Leak
      Dr. Ishii is
      Distinguished
      . Learn about Cerebrospinal Fluid Leak.
      See more Cerebrospinal Fluid Leak experts
    • Facial Paralysis
      Dr. Ishii is
      Distinguished
      . Learn about Facial Paralysis.
      See more Facial Paralysis experts
    • Olfactory Neuroblastoma
      Dr. Ishii is
      Distinguished
      . Learn about Olfactory Neuroblastoma.
      See more Olfactory Neuroblastoma experts
    • Pituitary Tumor
      Dr. Ishii is
      Distinguished
      . Learn about Pituitary Tumor.
      See more Pituitary Tumor experts
    • Prolactinoma
      Dr. Ishii is
      Distinguished
      . Learn about Prolactinoma.
      See more Prolactinoma experts
    • Advanced
    • Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)
      Dr. Ishii is
      Advanced
      . Learn about Chronic Rhinosinusitis with Nasal Polyps (CRSwNP).
      See more Chronic Rhinosinusitis with Nasal Polyps (CRSwNP) experts
    • Empyema
      Dr. Ishii is
      Advanced
      . Learn about Empyema.
      See more Empyema experts
    • Endoscopic Transnasal Transsphenoidal Surgery
      Dr. Ishii is
      Advanced
      . Learn about Endoscopic Transnasal Transsphenoidal Surgery.
      See more Endoscopic Transnasal Transsphenoidal Surgery experts
    • Endoscopy
      Dr. Ishii is
      Advanced
      . Learn about Endoscopy.
      See more Endoscopy experts
    • Septoplasty
      Dr. Ishii is
      Advanced
      . Learn about Septoplasty.
      See more Septoplasty experts
    • Sinus Cancer
      Dr. Ishii is
      Advanced
      . Learn about Sinus Cancer.
      See more Sinus Cancer experts
    View All 7 Advanced Conditions
    • Experienced
    • Acoustic Neuroma
      Dr. Ishii is
      Experienced
      . Learn about Acoustic Neuroma.
      See more Acoustic Neuroma experts
    • Anosmia
      Dr. Ishii is
      Experienced
      . Learn about Anosmia.
      See more Anosmia experts
    • Aseptic and Alopecic Nodules of Scalp (AANS)
      Dr. Ishii is
      Experienced
      . Learn about Aseptic and Alopecic Nodules of Scalp (AANS).
      See more Aseptic and Alopecic Nodules of Scalp (AANS) experts
    • Cushing's disease
      Dr. Ishii is
      Experienced
      . Learn about Cushing's disease.
      See more Cushing's disease experts
    • Emphysema
      Dr. Ishii is
      Experienced
      . Learn about Emphysema.
      See more Emphysema experts
    • Ethmoiditis
      Dr. Ishii is
      Experienced
      . Learn about Ethmoiditis.
      See more Ethmoiditis experts
    View All 19 Experienced Conditions
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