20 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Sewall, Otolaryngologist in Wausau, WI?
Dr. Gregory Sewall, MD is an Otolaryngologist, who primarily practices in Wausau, WI with 1 additional practice location. He has been practicing for over 20 years and is board certified. Dr. Sewall graduated from Medical College of Wisconsin and completed his residency at University Of Wisconsin Hospital And Clinics ~. Dr. Sewall is fluent in English, and is currently seeing new patients. Dr. Sewall’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sewall’s office at (715) 847-2021.
Where did Dr. Sewall go to medical school and complete their residency?
Residency: University Of Wisconsin Hospital And Clinics ~
Medical School: Medical College of Wisconsin
Is Dr. Sewall board certified as an Otolaryngologist?
Yes, Dr. Gregory Sewall, MD is board certified by the American Board of Otolaryngology
What languages does Dr. Sewall speak?
Dr. Sewall and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Sewall treat?
As an Otolaryngologist, Dr. Sewall diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Sewall. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Other Eustachian Tube Problems
- Ear Disorder
- Eustachian Tube Disorders
- Ear Tube Issues
ICD-10 Codes:
- H6983: Other specified disorders of Eustachian tube, bilateral
- H6981: Other specified disorders of Eustachian tube, right ear
Also known as:
- Enlarged Tonsils
- Tonsil hypertrophy
- Swollen tonsils
- Big tonsils
ICD-10 Codes:
- J351: Hypertrophy of tonsils
Also known as:
- Chronic Sinusitis
- Sinusitis
- Chronic sinus infection
- Persistent sinus inflammation
- Rhinosinusitis
- Maxillary sinus inflammation
- Long-term sinus problems
ICD-10 Codes:
- J328: Other chronic sinusitis
- J320: Chronic maxillary sinusitis
Also known as:
- Enlarged Tonsils and Adenoids
- Adenoids
- Tonsil and adenoid hypertrophy
- Swollen tonsils and adenoids
- Big tonsils and adenoids
ICD-10 Codes:
- J353: Hypertrophy of tonsils with hypertrophy of adenoids
Also known as:
- Nosebleed
- Enlarged Nasal Turbinates
- Nose Injuries and Disorder
- Epistaxis
- Bleeding nose
- Nasal hemorrhage
- Turbinate hypertrophy
- Swollen turbinates
- Congested turbinates
ICD-10 Codes:
- R040: Epistaxis
- J343: Hypertrophy of nasal turbinates
Also known as:
- Blocked Earwax
- Ear Disorder
- Impacted earwax
- Earwax impaction
- Excess earwax
ICD-10 Codes:
- H6123: Impacted cerumen, bilateral
Also known as:
- Eustachian Tube Disorder
- Ear Disorder in Both Ears
- Ear Disorder
- Eustachian Tube Problem
- Eustachian Tube Dysfunction
- Left Ear Eustachian Tube Disorder
- Bilateral Ear Condition
- Both Ear Problems
- Aural Disorder Bilateral
ICD-10 Codes:
- H6982: Other specified disorders of Eustachian tube, left ear
- H938X3: Other specified disorders of ear, bilateral
Also known as:
- Nose and Sinus Disorder
- Nose Injuries and Disorder
- Nasal problems
- Sinus problems
- Nose and sinus conditions
ICD-10 Codes:
- J3489: Other specified disorders of nose and nasal sinuses
Also known as:
- Sensorineural Hearing Loss
- Hearing Disorder and Deafness
- Nonsyndromic hearing loss
- Nerve Deafness
- Inner Ear Hearing Loss
- SNHL
- Permanent Hearing Loss
ICD-10 Codes:
- H903: Sensorineural hearing loss, bilateral
Also known as:
- Chronic Tonsillitis
- Tonsillitis
- Persistent tonsil infection
- Long-term tonsil inflammation
- Recurrent tonsillitis
ICD-10 Codes:
- J3501: Chronic tonsillitis
Also known as:
- Deviated Septum
- Nose Injuries and Disorder
- Crooked nose septum
- Nasal blockage
- Septal deviation
ICD-10 Codes:
- J342: Deviated nasal septum
Also known as:
- Hoarseness or Voice Changes
- Voice Disorder
- Hoarse voice
- Raspy voice
- Vocal cord dysfunction
ICD-10 Codes:
- R490: Dysphonia
Also known as:
- Stuffy Nose
- Nose Injuries and Disorder
- Blocked nose
- Nasal congestion
- Congested nose
ICD-10 Codes:
- R0981: Nasal congestion
Also known as:
- Headache
- Head pain
- Cephalalgia
- Tension headache
ICD-10 Codes:
- R519: Headache, unspecified
Also known as:
- Neck Lump or Swelling
- Neck Mass
- Bump on Neck
- Neck Nodule
ICD-10 Codes:
- R221: Localized swelling, mass and lump, neck
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
What procedures does Dr. Sewall perform?
As an Otolaryngologist, Dr. Sewall performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Sewall. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Diagnostic Nasal Endoscopy
- Endoscopy
- Nose Scope
- Rhinoscope
- Nasal Examination with Scope
CPT Codes:
- 31231: Nasal endoscopy, diagnostic, unilateral or bilateral (separate procedure)
Also known as:
- Flexible Diagnostic Laryngoscopy
- Voice Box Exam
- Flexible Laryngoscope
- Throat Scope
- Diagnostic Throat Exam
CPT Codes:
- 31575: Laryngoscopy, flexible; diagnostic
Also known as:
- Maxillary Sinus Tissue Removal (Endoscopic)
- Sinus Endoscopy with Maxillary Antrostomy
- Frontal Sinus Exploration (Endoscopic)
- Total Ethmoidectomy (Sinus Surgery)
- Partial Ethmoid Sinus Surgery with Endoscopy
- Endoscopic Ethmoid and Frontal Sinus Surgery
- Endoscopic Sinus Surgery with Ethmoidectomy and Sphenoidotomy
- Endoscopy
- Endoscopic Maxillary Antrostomy
- Sinus Tissue Biopsy
- Maxillary Sinus Surgery
- Nasal endoscopy with sinus opening
- Maxillary sinus surgery
- Functional endoscopic sinus surgery (FESS)
- Endoscopic Frontal Sinus Surgery
- Frontal Sinus Tissue Removal
- Sinus Exploration
- Ethmoid Sinus Surgery
- Nasal Endoscopic Ethmoidectomy
- Sinus Clearance Surgery
- Endoscopic Ethmoidectomy
- Nasal Endoscopic Sinus Surgery
- Anterior Ethmoidectomy
- Minimally Invasive Sinus Surgery
- Total Ethmoidectomy
- Sphenoid Sinus Surgery
- Functional Endoscopic Sinus Surgery (FESS)
CPT Codes:
- 31267: Nasal/sinus endoscopy, surgical, with maxillary antrostomy; with removal of tissue from maxillary sinus
- 31256: Nasal/sinus endoscopy, surgical, with maxillary antrostomy;
- 31276: Nasal/sinus endoscopy, surgical, with frontal sinus exploration, including removal of tissue from frontal sinus, when performed
- 31255: Nasal/sinus endoscopy, surgical with ethmoidectomy; total (anterior and posterior)
- 31254: Nasal/sinus endoscopy, surgical with ethmoidectomy; partial (anterior)
- 31253: Nasal/sinus endoscopy, surgical with ethmoidectomy; total (anterior and posterior), including frontal sinus exploration, with removal of tissue from frontal sinus, when performed
- 31259: Nasal/sinus endoscopy, surgical with ethmoidectomy; total (anterior and posterior), including sphenoidotomy, with removal of tissue from the sphenoid sinus
Also known as:
- Deviated Septum Repair
- Septoplasty
- Nasal Septum Surgery
- Submucous Resection of Septum
- Nose Septum Straightening
CPT Codes:
- 30520: Septoplasty or submucous resection, with or without cartilage scoring, contouring or replacement with graft
Also known as:
- Surgical Nasal Endoscopy for Nosebleed Control
- Endoscopy
- Endoscopic Nosebleed Treatment
- Nasal Hemorrhage Control Endoscopy
- Surgical Sinus Endoscopy
CPT Codes:
- 31238: Nasal/sinus endoscopy, surgical; with control of nasal hemorrhage
Also known as:
- Nasal Turbinate Reduction Surgery
- Inferior Turbinate Resection
- Turbinate Reduction
- Nasal Airway Surgery
CPT Codes:
- 30140: Submucous resection inferior turbinate, partial or complete, any method
Also known as:
- Nasal and Sinus Endoscopy with Biopsy or Polyp Removal
- Nasal Endoscopy with Concha Bullosa Removal
- Endoscopy
- Sinus Endoscopy
- Nasal Polyp Removal
- Sinus Biopsy
- Endoscopic Sinus Surgery
- Concha Bullosa Resection
- Turbinate Reduction Surgery
CPT Codes:
- 31237: Nasal/sinus endoscopy, surgical; with biopsy, polypectomy or debridement (separate procedure)
- 31240: Nasal/sinus endoscopy, surgical; with concha bullosa resection
Also known as:
- Nasal and Sinus Endoscopy with Ethmoidectomy
- Endoscopy
- FESS (Functional Endoscopic Sinus Surgery)
- Ethmoid Sinus Surgery
- Sphenoid Sinus Surgery
CPT Codes:
- 31257: Nasal/sinus endoscopy, surgical with ethmoidectomy; total (anterior and posterior), including sphenoidotomy
Also known as:
- Vocal Cord Injection with Scope
- Direct laryngoscopy with injection
- Vocal cord augmentation
- Voice box injection
CPT Codes:
- 31571: Laryngoscopy, direct, with injection into vocal cord(s), therapeutic; with operating microscope or telescope
Also known as:
- Larynx Surgery with Microscope (Vocal Cord/Tumor Removal)
- Direct Laryngoscopy with Excision
- Vocal Cord Stripping
- Epiglottis Tumor Removal
CPT Codes:
- 31541: Laryngoscopy, direct, operative, with excision of tumor and/or stripping of vocal cords or epiglottis; with operating microscope or telescope
Also known as:
- Simple Nosebleed Treatment
- Anterior Nasal Hemorrhage Control
- Nosebleed Cautery
- Nasal Packing for Nosebleed
- Stop Nosebleed Procedure
CPT Codes:
- 30901: Control nasal hemorrhage, anterior, simple (limited cautery and/or packing) any method
Also known as:
- Lung Airway Exam Through Tracheostomy
- Tracheostomy Bronchoscopy
- Airway Scope Through Trachea
- Bronchoscopy via Tracheostomy
- Lung Airway Inspection
CPT Codes:
- 31615: Tracheobronchoscopy Through Established Tracheostomy Incision
Also known as:
- Ear Tube Insertion (General Anesthesia)
- Anesthesia
- Tympanostomy with Tubes
- Myringotomy with Tube Placement
- Ventilating Tube Insertion (Ear)
CPT Codes:
- 69436: Tympanostomy (requiring insertion of ventilating tube), general anesthesia
Also known as:
- Impacted Ear Wax Removal (One Ear)
- Cerumen Impaction Removal
- Ear Wax Extraction with Tools
- Professional Ear Cleaning
CPT Codes:
- 69210: Removal impacted cerumen requiring instrumentation, unilateral
Also known as:
- Eardrum Repair
- Eardrum Repair Surgery
- Tympanoplasty
- Perforated Eardrum Repair
- Myringoplasty
- Middle Ear Repair
- Eardrum Reconstruction
CPT Codes:
- 69610: Tympanic membrane repair, with or without site preparation of perforation for closure, with or without patch
- 69631: Tympanoplasty without mastoidectomy (including canalplasty, atticotomy and/or middle ear surgery), initial or revision; without ossicular chain reconstruction
Also known as:
- Mastoid Cavity Cleaning
- Mastoidectomy Debridement
- Ear Canal Cleaning (Post-Surgery)
- Mastoid Cleaning
CPT Codes:
- 69220: Debridement, mastoidectomy cavity, simple (eg, routine cleaning)
Also known as:
- Ear Tube Insertion (Local Anesthesia)
- Anesthesia
- Myringotomy with Tubes
- Tympanostomy with Ventilating Tube
- Ear Drum Incision with Tube Placement
- Grommet Insertion (Local Anesthesia)
CPT Codes:
- 69433: Tympanostomy (requiring insertion of ventilating tube), local or topical anesthesia
Also known as:
- Ear Tube Removal (Under Anesthesia)
- Anesthesia
- Myringotomy Tube Removal
- Grommet Removal
- Ventilation Tube Extraction
CPT Codes:
- 69424: Ventilating tube removal requiring general anesthesia
Also known as:
- Ear Drum Incision with Fluid Drainage or Eustachian Tube Inflation
- Myringotomy
- Ear Drum Puncture
- Eustachian Tube Inflation
- Ear Fluid Drainage
CPT Codes:
- 69420: Myringotomy including aspiration and/or eustachian tube inflation
Also known as:
- Eardrum Repair (Myringoplasty)
- Repair of Eardrum
- Tympanic Membrane Repair
- Drumhead Surgery
CPT Codes:
- 69620: Myringoplasty (surgery confined to drumhead and donor area)
Also known as:
- Ear Foreign Body Removal (with General Anesthesia)
- Anesthesia
- Foreign Object Removal from Ear
- Ear Canal Cleaning under Anesthesia
- General Anesthesia for Ear Procedure
CPT Codes:
- 69205: Removal foreign body from external auditory canal; with general anesthesia
Also known as:
- Inner Ear Drug Infusion
- Labyrinthotomy with Drug Perfusion', 'Transcanal Inner Ear Treatment', 'Meniere's Disease Treatment
CPT Codes:
- 69801: Labyrinthotomy, with perfusion of vestibuloactive drug(s), transcanal
Also known as:
- Tonsil and Adenoid Removal (Children)
- Pediatric Tonsillectomy
- Adenoidectomy for Kids
- T&A Surgery
CPT Codes:
- 42820: Tonsillectomy and adenoidectomy; younger than age 12
Also known as:
- Tonsillectomy (Age 12+)
- Tonsil Removal
- Adult Tonsillectomy
- Throat Surgery for Tonsils
CPT Codes:
- 42826: Tonsillectomy, primary or secondary; age 12 or over
Also known as:
- Adenoid Removal for Children
- Pediatric Adenoidectomy
- Adenoid Surgery for Kids
- Removal of Adenoids
CPT Codes:
- 42830: Adenoidectomy, primary; younger than age 12
Also known as:
- Tonsillectomy and Adenoidectomy
- Tonsil and adenoid removal
- T&A surgery
- Throat surgery for tonsils
CPT Codes:
- 42821: Tonsillectomy and adenoidectomy; age 12 or over
Also known as:
- Tonsil Removal for Children Under 12
- Pediatric Tonsillectomy
- Child Tonsil Surgery
- Tonsillectomy for Kids
CPT Codes:
- 42825: Tonsillectomy, primary or secondary; younger than age 12
Also known as:
- Tongue Tie Release (Frenotomy)
- Lingual Frenectomy
- Frenotomy
- Tongue-Tie Surgery
CPT Codes:
- 41010: Incision of lingual frenum (frenotomy)
Also known as:
- Parotid Gland Tumor Removal with Facial Nerve Preservation
- Parotidectomy
- Salivary gland tumor removal
- Facial nerve sparing parotidectomy
- Lateral parotidectomy
CPT Codes:
- 42415: Excision of parotid tumor or parotid gland; lateral lobe, with dissection and preservation of facial nerve
Also known as:
- Individual Speech and Language Therapy
- Speech-Language Pathology
- Voice Therapy
- Communication Disorder Treatment
- Auditory Processing Therapy
CPT Codes:
- 92507: Treatment Of Speech, Language, Voice, Communication, And/Or Auditory Processing Disorder; Individual
Also known as:
- Voice and Resonance Analysis
- Voice Disorder Evaluation
- Speech Resonance Assessment
- Vocal Quality Analysis
CPT Codes:
- 92524: Behavioral and qualitative analysis of voice and resonance
Also known as:
- Swallowing Study (Videofluoroscopy)
- Dysphagia Tests
- Videofluoroscopic Swallowing Study (VFSS)
- Modified Barium Swallow (MBS)
- Dysphagia Evaluation
CPT Codes:
- 92611: Motion fluoroscopic evaluation of swallowing function by cine or video recording
Also known as:
- Removal of One Side of Thyroid Gland
- Unilateral Thyroid Lobectomy
- Thyroid Lobe Removal
- Partial Thyroidectomy
- Isthmusectomy
CPT Codes:
- 60220: Total thyroid lobectomy, unilateral; with or without isthmusectomy
Also known as:
- Computer-Assisted Brain Navigation
- Stereotactic Cranial Navigation
- Image-Guided Brain Surgery
- Computer-Guided Neurosurgery
CPT Codes:
- 61782: Stereotactic computer-assisted (navigational) procedure; cranial, extradural (List separately in addition to code for primary procedure)
Also known as:
- Tongue Biopsy
- Fine Needle Biopsy
- Biopsy
- Oral Biopsy
- Tongue Tissue Sample
- Anterior Tongue Biopsy
- Fine Needle Aspiration
- FNA Biopsy
- Needle Biopsy without Imaging
- Tissue Sample Collection
CPT Codes:
- 41100: Biopsy of tongue; anterior two-thirds
- 10021: Fine needle aspiration biopsy, without imaging guidance; first lesion
Also known as:
- Autologous Soft Tissue Graft
- Fat Grafting
- Dermal Graft
- Fascia Graft
- Tissue Transfer
CPT Codes:
- 15769: Grafting of autologous soft tissue, other, harvested by direct excision (eg, fat, dermis, fascia)
Also known as:
- Closed Nose Bone Fracture Repair with Stabilization
- Nasal Bone Reduction
- Broken Nose Repair (Closed)
- Nose Fracture Manipulation
CPT Codes:
- 21320: Closed treatment of nasal bone fracture with manipulation; with stabilization
Does Dr. Sewall accept my insurance?
Dr. Sewall accepts most major insurance plans. Important: Please call our office at (715) 847-2021 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sewall accept in Wausau, WI?
Dr. Sewall in Wausau, WI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Department of Veterans Affairs
Elevance Health Inc. (formerly Anthem)
Group Health Cooperative of Eau Claire
Medicare
PreferredOne
Security Health Plan
State of Tennessee
State of Wisconsin
The Alliance
UnitedHealthcare
View All Insurances
Where is Dr. Sewall's office located?
What is Dr. Sewall's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sewall's National Provider Identifier (NPI) number is 1336195023.
What common questions do patients ask about Dr. Sewall?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sewall
What is Dr. Gregory Sewall's specialty?
Dr. Sewall is a Otolaryngologist near Wausau, WI. An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for conditions affecting the ears, nose, throat, respiratory, and upper alimentary systems, as well as related head and neck structures. This specialist diagnoses and treats diseases, allergies, neoplasms, deformities, disorders, and injuries involving these areas. Expertise includes head and neck oncology, facial plastic and reconstructive surgery, and the treatment of hearing and voice disorders. Contact Dr. Sewall to book an appointment today.
Is this Dr. Gregory Sewall affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Sewall is affiliated with Aspirus Wausau Hospital, Aspirus Stevens Point Hospital, Aspirus Rhinelander Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Otolaryngologist?
Explore Otolaryngologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Gregory Sewall accepting new patients in Wausau, WI?
Yes, Dr. Gregory Sewall is accepting new patients at this time.
Does Dr. Gregory Sewall offer online booking?
Please contact Dr. Sewall's office at (715) 847-2021 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gregory Sewall?
Please contact Dr. Sewall's office at (715) 847-2021 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Gregory Sewall have?
Dr. Gregory Sewall is certified by the American Board of Otolaryngology.
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