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Brent J. Geffen, MD

Otolaryngology
Accepting New Patients
Bass Medical Group
2876 Sycamore Drive, Suite 303
Simi Valley, CA 93065
41.1 miles away
(805) 527-7320
See all (2) Locations
Medical Groups & Affiliations
Providence Affiliated Physicians, Los Angeles County
Speaks: English
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Bass Medical Group

2876 Sycamore Drive, Suite 303, Simi Valley, CA 93065

Directions
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Insurances Accepted

This information provides an overview of accepted insurance plan types. Coverage may vary by specific plan. Please verify your with your insurance provider before visiting us for care.

Medical Education

Wake Forest University - School of Medicine
2018

Bass Medical Group
2876 Sycamore Drive, Suite 303
Simi Valley, CA 93065
Bass Medical Group
301 South Moorpark Road
Thousand Oaks, CA 91361
Medical Groups & Affiliations
Providence Affiliated Physicians, Los Angeles County

Conditions and Procedures

  • Abnormal Vestibular Function Test
  • Abnormalities Of The Vocal Cords
  • Acoustic Nerve Injury
  • Acoustic Neurofibromatosis
  • Acoustic Neuroma
  • Acoustic Neuroma Removal
  • Acquired Ear Deformity
  • Acute Airway Bleeding
  • Acute Rhinitis
  • Adenocarcinoma Of The Head And Neck
  • Adenoid Hypertrophy
  • Adenoidectomy
  • Adenoiditis
  • Aerodigestive Care
  • Airway Disorders
  • Alaryngeal Communication
  • Allergic Fungal Sinusitis
  • Allergic Rhinitis
  • Allergies
  • Alveolar Fracture
  • Aneurysmal Bone Cyst (Jaw)
  • Anosmia
  • Anotia
  • Arytenoid Adduction Arytenopexy
  • Auditory Brainstem Implant
  • Auditory Nerve Injury
  • Auditory Neuropathy Spectrum Disorder
  • Auricular Hematoma
  • Autoimmune Inner Ear Disease
  • Balance Testing
  • Balloon Eustachian Tuboplasty
  • Balloon Sinuplasty
  • Benign Head And Neck Tumors
  • Benign Paroxysmal Positional Vertigo
  • Bilateral Vocal Cord Paralysis
  • Blocked Eustachian Tubes
  • Bone Anchored Hearing Aid Assessment
  • Bone Anchored Hearing Aid Surgery
  • Bone Anchored Hearing Aids (Baha)
  • Botox For Bells Palsy
  • Branchial Cleft Cyst
  • Branchio-Oto-Renal Syndrome
  • Buccal Mucosa Cancer
  • Caldwell Luc Surgery
  • Caloric Reflex Testing
  • Cerebellopontine Angle Tumors
  • Cerebrospinal Fluid Leak
  • Cerebrospinal Fluid Leak Repair
  • Cerumen Removal
  • Cheek Bone Fractures
  • Cheek Problems
  • Choking Sensation
  • Cholesteatoma
  • Chronic Aspiration
  • Chronic Cough
  • Chronic Ear Infections
  • Chronic Rhinosinusitis
  • Chronic Tonsillitis
  • Clear Cell Carcinoma Of The Oral Cavity
  • Cleft Lip
  • Cleft Nose Repair
  • Cleft Palate
  • Cleft Palate Repair
  • Cleft Rhinoplasty
  • Coblation Of Inferior Turbinate Hypertrophy
  • Coblation Of Macroglossia
  • Coblation Of Uvular Hypertrophy
  • Cochlear Implant Hearing Aid Assessment
  • Cochlear Implant Hearing Aid Surgery
  • Cochlear Implants
  • Cochlear Nerve Damage
  • Cogan's Syndrome (Cs)
  • Congenital Anomalies Of The Head And Neck
  • Congenital Deformity Of Nose
  • Congenital Ear Deformity
  • Continuous Positive Airway Pressure
  • Cough
  • Cricoid Split
  • Cricopharyngeal Achalasia
  • Cricopharyngeal Myotomy
  • Cricotracheal Resection (Ctr)
  • Cryptic Tonsils
  • Cyst Of Sinuses
  • Da Vinci Head & Neck Surgery
  • Dacryocystorhinostomy
  • Decreased Hearing
  • Degenerative Disorders Of The Balance Organs
  • Deviated Septum
  • Difficulty Speaking
  • Disorder Of Balance
  • Dizziness
  • Dry Mouth
  • Dry Nose
  • Dry Sinus
  • Dysphagia
  • Dysphagia, Oropharyngeal Phase
  • Dysphonia
  • Ear Blockage
  • Ear Canal Cancer
  • Ear Canal Cancer Surgery
  • Ear Canal Lesions
  • Ear Cancer
  • Ear Cancer Surgery
  • Ear Cleaning
  • Ear Cyst
  • Ear Discharge
  • Ear Drainage
  • Ear Exam
  • Ear Infections
  • Ear Keloids
  • Ear Mass
  • Ear Pain
  • Ear Pressure
  • Ear, Nose And Throat Surgery
  • Earache
  • Ears Abscess
  • Electronystagmography
  • Endolymphatic Sac Decompression Surgery
  • Endolymphatic Sac Tumor
  • Endoscopic Carbon Dioxide Laser Cricopharyngeal Myotomy
  • Endoscopic Ear Surgery
  • Endoscopic Sinus Surgery
  • Endoscopic Tympanoplasty
  • Enlarged Turbinates
  • Epiglottoplasty
  • Epistaxis
  • Erythroplakia
  • Esophageal Dilation
  • Esophageal Diverticulum
  • Esophageal Obstruction
  • Esophageal Ph Test
  • Esophagus Surgery
  • Eustachian Tube Balloon Dilation
  • Eustachian Tube Dysfunction (Etd)
  • Eustachian Tube Surgery
  • Excessive Drooling
  • Excessive Salivation
  • Face Stitch Removal
  • Face Swelling
  • Facial Cyst
  • Facial Deformity
  • Facial Fracture
  • Facial Nerve Disease
  • Facial Nerve Injury
  • Facial Nerve Palsy
  • Facial Nerve Palsy And Paresis
  • Facial Nerve Paralysis
  • Facial Nerve Schwannoma
  • Facial Nerve Tumor
  • Facial Pain
  • Facial Paresis
  • Facial Scars
  • Facial Skin Resurfacing Procedures
  • Failed Hearing Screening Exams
  • Fissured Tongue
  • Food Impaction
  • Food Sticking
  • Foreign Bodies In The Ear Nose And Airway
  • Foreign Body (Airway)
  • Foreign Body (Ear)
  • Foreign Body (Esophagus)
  • Foreign Body (Nose)
  • Foreign Body (Throat)
  • Frenectomy
  • Frostbite Of Ear
  • Frostbite Of Nose
  • Functional Rhinoplasty
  • Gastroesophageal Reflux Disease
  • Gastroesophageal Reflux Surgery
  • Gender Affirming Vocal Modification
  • Genial Tubercle Advancement (Gta)
  • Genioglossus Advancement
  • Glomus Tympanicum
  • Glossectomy
  • Glossitis
  • Glossodynia
  • Glottic Stenosis
  • Glottis Cancer
  • Glottis Cancer Surgery
  • Goiter
  • Hairy Tongue
  • Halitosis
  • Head Abscess
  • Head And Neck Cancer Surgery
  • Head And Neck Mass
  • Head Mass
  • Headache
  • Hearing Loss
  • Hearing Loss (Conductive)
  • Hearing Loss (Family History)
  • Hearing Loss (Genetic)
  • Hearing Loss (Neural)
  • Hearing Loss (Noise Induced)
  • Hearing Loss (Profound)
  • Hoarseness
  • Hypercalcemia
  • Hypernasal Speech
  • Hyperparathyroidism
  • Hypertrophy Of Turbinate
  • Hypertrophy Of Uvula
  • Hypoglossal Nerve Disease
  • Hypoglossal Nerve Injury
  • Hyponasal Speech
  • Impacted Cerumen
  • Infratemporal Fossa Lesions
  • Infratemporal Fossa Tumors
  • Inner Ear Fistula
  • Inner Ear Trauma
  • Inspire Therapy
  • Internal Auditory Canal (Iac) Lesion
  • Intratympanic Injection
  • Invasive Fungal Sinusitis
  • Inverted Papilloma Of The Sinus
  • Irritable Larynx Syndrome
  • Isthmusectomy
  • Itchy Ear
  • Jaw Mass
  • Jaw Problems
  • Labyrinthitis
  • Laryngeal Amyloidosis
  • Laryngeal Botox
  • Laryngeal Cancer
  • Laryngeal Dysplasia
  • Laryngeal Dystonia
  • Laryngeal Edema
  • Laryngeal Lesions
  • Laryngeal Leukoplakia
  • Laryngeal Papillomatosis
  • Laryngeal Polyps
  • Laryngeal Sarcoidosis
  • Laryngeal Stenosis
  • Laryngectomy
  • Laryngitis
  • Laryngocele
  • Laryngoscopy
  • Laryngospasm
  • Laryngotracheal Cleft Repair
  • Larynx Laser Treatment
  • Laser Assisted Uvulopalatoplasty
  • Laser Snoring Treatment
  • Lateral Skull Base Tumor
  • Lingual Tonsillectomy
  • Lip Droop
  • Ludwig Angina
  • Lump In Throat
  • Lymphadenopathy
  • Malformations Of Ear
  • Malignant Otitis Externa
  • Management Of Hearing Loss
  • Mandibulectomy
  • Mastoid Bowl Cleaning
  • Mastoiditis
  • Meniere's Disease
  • Meningioma
  • Microlaryngeal Laser Surgery
  • Microsurgery
  • Microvascular Flap Reconstruction
  • Middle Ear Exploration
  • Minimally Invasive Video Assisted Thyroidectomy
  • Missing Eardrum
  • Mouth Abscess
  • Mouth Bleeding
  • Mouth Breathing
  • Mouth Cyst
  • Mouth Infection
  • Mouth Injury
  • Mouth Pain
  • Mouth Ulcer
  • Mucocele
  • Mucositis
  • Myringoplasty
  • Myringotomy
  • Nasal Congestion
  • Nasal Deformities
  • Nasal Drainage
  • Nasal Dryness
  • Nasal Endoscopy
  • Nasal Implant Surgery
  • Nasal Mass
  • Nasal Obstruction
  • Nasal Polyps
  • Nasal Septal Hematoma
  • Nasal Surgery
  • Nasal Trauma
  • Nasal Valve Collapse
  • Nasal Vestibulitis
  • Nasopharyngeal Cancer
  • Nasopharyngeal Cancer Surgery
  • Neck Abscess
  • Neck Biopsy
  • Neck Cyst
  • Neck Lymph Nodes
  • Neck Mass Excision
  • Neoplasm Of Ear
  • Neoplasm Of Salivary Gland
  • Neuroendocrine Tumor Of Nasal Cavity
  • Neurofibromatosis
  • Neurologic Disorders Of The Larynx
  • Noisy Breathing
  • Non Skull Base Meningoencephalocele
  • Nose Abscess
  • Nose Cauterization
  • Nose Fracture
  • Nose Fracture Surgery
  • Nose Meningoencephalocele
  • Nose Pain
  • Nose Sores
  • Nystagmus
  • Nystagmus Testing
  • Odynophagia
  • Olfactory Nerve Disease
  • Oral Appliance Therapy (Oat)
  • Oral Dysplasia
  • Oral Inflammation
  • Oral Lesions
  • Oral Pathology
  • Orofacial Pain
  • Oropharyngeal Cancer Surgery
  • Ossicular Chain Fracture
  • Ossicular Chain Reconstruction
  • Ossicular Malformation
  • Osteoma
  • Otalgia
  • Otic Powder
  • Otitis
  • Otitis Media
  • Otoacoustic Emissions (Oae) Testing
  • Otomastoiditis
  • Otosclerosis
  • Ototoxicity
  • Outer Ear Cancer
  • Palate Cancer Surgery
  • Palate Surgery
  • Parapharyngeal Abscess
  • Parapharyngeal Mass
  • Parasoxical Vocal Fold
  • Parathyroid Surgery For Kidney Transplant
  • Parathyroidectomy
  • Parotid Cancer
  • Parotid Cancer Surgery
  • Patulous Eustachian Tube (Pet)
  • Per Oral Endoscopic Myotomy
  • Perforated Ear Drum
  • Perilymphatic Fistula (Plf)
  • Peritonsillar Abscess
  • Peroral Endoscopic Myotomy
  • Pharyngeal Mass
  • Pharyngeal Stenosis
  • Pharyngitis
  • Phonomicrosurgery
  • Pillar Procedure
  • Polyp Of Cheek
  • Positional Vertigo
  • Post Nasal Drip
  • Posterior Glottic Diastasis
  • Preauricular Fistula
  • Presbycusis
  • Pressure Equalizing (Pe) Tube Placement
  • Problems With Smell And Taste
  • Profound Deafness
  • Prolaryn Gel Injection
  • Radiation Induced Dysphagia
  • Radiation Induced Sialadenitis
  • Radiofrequency Ablation Of The Soft Palate
  • Radiofrequency Inferior Turbinate Reduction
  • Ramsay Hunt Syndrome
  • Reconstruction Of Ear
  • Reinke Edema
  • Removal Of Moles On Face And Neck
  • Removal Of Skin Tags On Face And Neck
  • Remove Sinus Packing
  • Resonance Disorders
  • Retrograde Cricopharyngeus Dysfunction
  • Retropharyngeal Abscess
  • Revision Endoscopic Sinus Surgery
  • Revision Frontal Sinus Surgery
  • Rhinitis
  • Rhinorrhea
  • Rhinoscleroma
  • Robotic Glossectomy
  • Robotic Lingual Tonsillectomy
  • Robotic Thyroid Surgery
  • Rotary Chair Testing
  • Ruptured Eardrum
  • Salivary Gland Biopsy
  • Salivary Gland Disorders
  • Schneiderian Papilloma
  • Scratchy Voice
  • Secretion Suction Machine
  • Sellar Tumor
  • Septal Perforation
  • Sialadenitis
  • Sialendoscopy
  • Sialodochoplasty
  • Sialolithiasis
  • Sialorrhea
  • Sigmoid Sinus Dehiscence
  • Sino Nasal Carcinoma
  • Sino Nasal Disorders
  • Sinonasal Papilloma
  • Sinus And Nasal Mucoceles
  • Sinus Fracture
  • Sinus Fracture Surgery
  • Sinus Mass
  • Sinus Meningoencephalocele
  • Sinus Polyp
  • Sinus Surgery
  • Sinusitis
  • Skull Base Approach
  • Smell Disorders
  • Snoring
  • Speech Aid Prosthesis
  • Speech Disorder
  • Sphenoidotomy
  • Spots On Mouth
  • Spots On Tongue
  • Squamous Cell Carcinoma Of The Head And Neck
  • Squamous Cell Carcinoma Of The Mouth
  • Stapedectomy
  • Stomatitis
  • Strep Throat
  • Stridor
  • Stylohyoid Syndrome
  • Subglottic Stenosis
  • Subglottic Stenosis Surgery
  • Sudden Deafness
  • Superior Canal Dehiscence
  • Suppurative Tonsillitis
  • Supraglottic Laryngectomy
  • Supraglottic Stenosis
  • Supraglottoplasty
  • Swallowing Problem
  • Swollen Parotid
  • Swollen Throat
  • Throat Abscess
  • Throat Abscess Drainage
  • Throat Cancer
  • Throat Clearing
  • Throat Mass
  • Throat Tightness
  • Thyroglossal Duct Disorders
  • Thyroid Nodule
  • Thyroid Nodule Removal
  • Thyroid Surgery
  • Tinnitus
  • Tongue Base Reduction Surgery
  • Tongue Mass
  • Tongue Pain
  • Tongue Sores
  • Tongue Surgery
  • Tongue Swelling
  • Tongue Tied
  • Tonsillar Hypertrophy
  • Tonsillectomy
  • Tonsillectomy And Adenoidectomy In A Patient Younger Than Age 12
  • Tonsillitis
  • Toxic Nodular Goiter
  • Tracheal Dilatation
  • Tracheal Diseases
  • Tracheal Reconstruction
  • Tracheal Rings
  • Tracheal Stenosis
  • Tracheitis
  • Tracheocutaneous Fistula
  • Tracheostomy
  • Tracheostomy Management
  • Tracheostomy Revision
  • Transcervical Medialization Laryngoplasty
  • Transnasal Esophagoscopy
  • Transnasal Repair Csf Leak
  • Transoral Robotic Surgery For Obstructive Sleep Apnea
  • Transoral Thyroidectomy
  • Tripod Fracture
  • Trochlear Nerve Injury
  • Tumor Of Parotid Gland
  • Turbinate Surgery
  • Tympanometry
  • Tympanoplasty/Mastoidectomy
  • Tympanostomy
  • Unable To Close Eyes
  • Upper Airway Resistance Syndrome (Uars)
  • Upper Airway Surgery For Obstructive Sleep Apnea Syndrome
  • Uprastomal And Tracheal Granulomas
  • Uvuloplasty
  • Velopharyngeal Deficiencies
  • Velopharyngeal Insufficiency
  • Vertigo
  • Vestibular Evoked Myogenic Potential Testing
  • Vestibular Neuronitis
  • Vestibulitis
  • Videostroboscopy
  • Vocal Cord Cancer
  • Vocal Cord Cancer Surgery
  • Vocal Cord Dysfunction
  • Vocal Cord Lesions
  • Vocal Cord Paralysis
  • Vocal Cord Paresis
  • Vocal Cord Strain
  • Vocal Cord Surgery
  • Vocal Fold Paralysis
  • Vocal Fry
  • Vocal Tremor
  • Voice Feminization Surgery
  • Voice Gender Reassignment
  • Voice Masculinization Surgery
  • Voice Problems
  • Voice Prosthesis
  • Voice Screening
  • Voice Surgery
  • Xerostomia
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