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Edit this profileWhere to find Michael N. Knowland, MD, FACS
- South Portland location main office
130 Clifford St, South Portland, ME 04106 - Minot location
2305 37th Ave SW, Minot, ND 58701
About Dr. Knowland
Michael N. Knowland, MD, FACS is a healthcare provider in South Portland, ME specializing in otolaryngology. Michael is also listed as specializing in otolaryngology (ent). Medicare claims data shows Michael provided 81 services to 61 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and exam of ear using a microscope. This provider record is associated with NPI 1477574887.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (207) 799-8628
- Email not available
Practice Locations
130 CLIFFORD ST
South Portland, ME 04106
2305 37th Ave SW
Minot, ND 58701
Conditions Commonly Evaluated or Treated
Within Otolaryngology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Ear infection
- Sinus infection
- Sleep apnea
- Tinnitus
- Tonsillitis
- Vertigo
Balance
- Ménière's disease
Ear and hearing
- Cholesteatoma
- Eustachian tube dysfunction
- Hearing loss
- Otosclerosis
- Perforated eardrum
- Swimmer's ear
Head, neck, and salivary
- Hyperparathyroidism
- Neck mass
- Parotid gland tumor
- Salivary gland infection
- Thyroid cancer
Nose and sinus
- Broken nose
- Deviated septum
- Loss or reduction of smell
- Nasal obstruction
- Nasal polyps
- Nosebleeds
- Seasonal allergies
Sleep and airway
Throat and voice
- Enlarged adenoids
- Globus sensation
- Hoarseness and voice change
- Laryngopharyngeal reflux
- Swallowing difficulties
- Vocal cord nodules
- Vocal cord paralysis
Cancer
- Laryngeal cancer
- Oral cavity cancer
- Skin cancer of the head and neck
Head & Neck
Throat & Voice
- Frequent Strep Throat
Procedures & services
Most searched procedures
- Adenoidectomy
- Ear tube surgery
- Hearing test
- Sinus surgery
- Tonsillectomy
Office diagnosis
- Fine-needle aspiration of a neck mass
- Flexible laryngoscopy
- Nasal endoscopy
Cosmetic
- Earlobe Repair
Ear & Hearing
- Bone-Anchored Hearing Aid Surgery
- Eustachian Tube Balloon Dilation
Ear procedures
- Cochlear implant surgery
- Eardrum repair
- Earwax removal
- Mastoid surgery
- Stapes surgery
Head & Neck
- Neck Lump Removal
- Salivary Duct Stone Removal
- Thyroid Nodule Biopsy
Head and neck surgery
- Neck lymph-node dissection
- Parathyroid surgery
- Parotid gland surgery
- Thyroid removal surgery
- Voice-box removal
Nose & Sinus
- Broken Nose Repair
Nose and sinus procedures
- Nasal cautery for nosebleeds
- Nasal-polyp removal
- Rhinoplasty
- Septoplasty
- Turbinate reduction
Sleep and airway
- Drug-induced sleep endoscopy
- Hypoglossal nerve stimulator implantation
- Uvulopalatopharyngoplasty
Throat & Voice
Throat, voice, and swallowing
- Esophageal dilation
- Microlaryngoscopy
- Vocal-fold injection
Procedures Most Often Billed to Medicare
81 services · 61 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Exam of ear using a microscope | Treatment | 92504 |
15 | Less often than most peers in Otolaryngology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
50 | Less often than most peers in Otolaryngology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
16 | Less often than most peers in Otolaryngology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other ENT doctors in South Portland 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1974 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 6 related providers in 1 group
Also performs Exam of ear using a microscope 6
Providers in ME who bill this service to Medicare most often.
Common questions
What does Dr. Knowland specialize in?
Dr. Knowland is an ENT doctor in South Portland, ME. That is the designation recorded for this NPI in the federal registry, where it is listed as “Otolaryngology”.
NPI registry
Where is Dr. Knowland located?
Dr. Knowland is listed at 130 Clifford St, South Portland, ME 04106. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Knowland's phone number?
The number on file is (207) 799-8628. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Knowland?
Dr. Knowland's National Provider Identifier is 1477574887. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Knowland go to medical school?
Dr. Knowland attended Other, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Knowland have?
Dr. Knowland has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Knowland do most often?
According to Medicare billing data, Dr. Knowland provides treatments such as exam of ear using a microscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Knowland's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Knowland. If this is you, claiming it is free.
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