Dr. Gregory Sewall, MD

Dr. Gregory Sewall, MD

Ear, Nose, and Throat  |  
Male  |  
Age 44
(29)
Insurances AcceptedSave
Dr. Gregory Sewall, MD is an ear, nose, and throat doctor who practices in Wausau, WI. He is 44 years old and has been practicing for 19 years.

2801 Westhill Dr

Wausau, WI 54401

Contact Information

(715) 847-2021

Insurance Accepted

  • Aetna
  • Arise Health Plan
  • Aspirus Network, Inc.
  • Beech Street (Multiplan)
  • Blue Cross Blue Shield
  • ChoiceCare Network
  • Cigna
  • HealthEOS
  • HealthPartners
  • 10 More

*Please verify this information when scheduling an appointment.

Learn about Dr. Sewall

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

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See how frequently Dr. Sewall performs your care needs compared to other doctors.

Ear Disorders
very high
more than 96% of peers
Ear Ache
high
more than 89% of peers
Dizziness
high
more than 83% of peers

Dr. Sewall's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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Care Philosophy

This content was provided by Dr. Sewall "I bring an integrated approach that provides patients of North Central Wisconsin the highest quality, technological care offered in larger institutions with a personalized small-town feel that our patients are accustomed to."
1

Specialties

  • Ear, Nose, and Throat
1

Board Certifications

  • Otolaryngology
    Accredited by: American Board of Otolaryngology*
66

Conditions Treated

  • Acute Sinusitis
  • Acute Upper Respiratory Infection
  • Adult Development Disorders
  • All Headaches (incl. Migraine)
  • Allergic Reaction
  • Allergic Rhinitis
  • Autoimmune Diseases
  • Bone Disorders
  • Brain Disorders
  • Cancer
  • Cholesteatoma
  • Chronic Laryngitis
  • Chronic Sinusitis
  • Conductive Hearing Loss
  • Cough
  • Deafness
  • Deviated Septum
  • Dizziness
  • Dysphagia
  • Ear Ache
  • Ear Disorders
  • Ear Infection
  • Earwax Buildup
  • Enlarged Turbinates
  • Eustachian Tube Dysfunction
  • Facial Trauma
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Diseases
  • Head and Neck Cancer
  • Head or Neck Lump or Swelling
  • Headache
  • Hearing Loss
  • Hoarse Voice (Dysphonia)
  • Laryngeal Cancer
  • Laryngitis
  • Larynx Conditions
  • Lip Cancer
  • Nasal Obstruction
  • Nosebleed
  • Oral Cancer
  • Otitis Media
  • Otosclerosis
  • Outer Ear Infection
  • Perforated Eardrum
  • Pharyngitis
  • Pulmonary Disease
  • Salivary Gland Cancer
  • Salivary Gland Diseases
  • Sinusitis
  • Sleep Apnea
  • Sleep Disorders
  • Snoring
  • Sore Throat
  • TMJ
  • Throat Cancer (Hypopharyngeal)
  • Throat Cancer (Oropharyngeal)
  • Thyroid Cancer
  • Thyroid Tumor
  • Tinnitus
  • Tongue Cancer
  • Trigeminal Neuralgia
  • Vertigo
  • Vocal Cord Nodule
  • Vocal Cord Paralysis
  • Vocal Cord Polyp
  • Voice Disorders

More

Read More
31

Procedures

  • Ablation or Excision of Nasal Turbinates
  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Adenoidectomy
  • Antrostomy and Antrotomy (Sinus Surgery)
  • Balloon Sinuplasty
  • Cervical Lymph Node Dissection
  • Cochlear Implant Insertion
  • Diagnostic Nasal and-or Sinus Endoscopy
  • ENT Surgery
  • Ear Surgery
  • Ear Tube Placement
  • Ethmoidectomy (Sinus Surgery)
  • Excision of Parotid, Sublingual, or Submandibular Gland
  • Glossectomy
  • Head and Neck Surgery
  • Intranasal or Sinus Procedure
  • Laryngoscopy - Laryngotomy - Laryngectomy - Pharyngolaryngectomy - Pharyngectomy
  • Laryngoscopy and Laryngotomy
  • Lip, Excision or Resection
  • Lymph Node Biopsy or Excision
  • Nasal Septum Surgery (Septoplasty)
  • Nasal Surgery
  • Perforated Eardrum Repair (Tympanoplasty)
  • Sinus Surgery
  • Sphenoidotomy (Sinus Surgery)
  • Thyroidectomy
  • Thyroidectomy or Thyroid Lobectomy
  • Tonsillectomy
  • Tracheal Surgery
  • Wound Repair

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Wisconsin.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Medical College of Wisconsin
    Medical School | Graduated 1999
  • University of Wisconsin Hospital & Clinics
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Sewall has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Sewall does not have any memberships or affiliations listed. If you are Dr. Sewall and would like to add memberships or affiliations, please update your profile.

Dr. Sewall's Reviews

Likelihood of recommending Dr. Sewall to family and friends
3.8
based on 29 total reviews (8 with comments)

Likelihood to Recommend (29)

  • 5
    (19)
  • 4
    (2)
  • 3
    (0)
  • 2
    (0)
  • 1
    (8)

Dr. Sewall's Performance

Trustworthiness
VERY GOOD
Explains condition(s) well
VERY GOOD
Answers Questions
VERY GOOD
Time well spent
VERY GOOD

Office & Staff Performance

Scheduling
VERY GOOD
Office environment
VERY GOOD
Staff friendliness
VERY GOOD
Average wait time
10 to 15 minutes

Patient Comments (8)

in Wausau, WI |
I had been told by several walk in doctors that I had chronic sinusitis. I was ready to be be scheduled for sinus surgery due to the chronic pain i was having. After being seen by Dr. Sewall, it became clear I did not have sinusitis; instead I had migraine headaches. Thanks Dr. Sewall for...more
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in Park Falls, WI |
Dr. Sewall was amazing to work with. I had seen him a couple of times over the course of a few years regarding my enlarged tonsils. After working with me, it was determined it may be best to have them removed. I had read so many horror stories about how terrible the surgery can be, but recovery...more
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in Wausau, WI |
Honest, straightforward, skilled.
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in Birnamwood, WI |
My daughter has had hearing difficulties for the past 15 years. Dr. Sewall is and always has been wonderful with her. He explains things clearly, takes time to answer questions, is reassuring. His compassion and consistently thorough care has inspired my daughter to want to pursue a career in...more
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in Wausau, WI |
Dr. Sewall was very friendly and patient with my mother who has Alzheimers. It is sometimes difficult to get to the bottom of her issues because of her deficits but Dr. Sewall was able to play detective and uncover her problem. Working with such a kind man has been a pleasure.
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Visit Dr. Sewall

Now Accepting New Patients
Dr. Sewall accepts 19 insurance carriers
  • Aetna
    Aetna PPO
  • Arise Health Plan
    Arise Health Plan HMO
  • Aspirus Network, Inc.
    North Central Healthcare Alliance (NCHA)
  • Beech Street (Multiplan)
  • Blue Cross Blue Shield
  • ChoiceCare Network
    Choice Care (Humana)
  • Cigna
  • HealthEOS
  • HealthPartners
  • HealthSmart - Interplan Health Group
    Interplan Health Group
  • Humana
    Gold
    Gold Choice
  • MultiPlan
  • PHCS
  • Security Health Plan (SHP)
  • Today's Options
    Medicare Advantage PPO
  • UnitedHealthCare
    Medicare Advantage PFFS
    United Healthcare
  • Universal American
  • WEA Trust
    Trust Preferred POS
    Trust Preferred PPO
    WEA Insurance Corporation
    WEA Insurance Corporation POS
  • WPS Health Insurance
    Indemnity
    Statewide

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Sewall has admitting privileges

Aspirus Medford Hospital
135 S Gibson St
Medford, WI 54451
View Hospital Profile
Aspirus Wausau Hospital
333 Pine Ridge Blvd
Wausau, WI 54401
View Hospital Profile

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