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Edit this profileAt a glance
- 457 Sutton Way, Grass Valley, CA 95945
About Dr. Mathiesen
Listed in the NPI registry as a qualified audiologist, Kortney Mathiesen, AUD practices in Grass Valley, CA. Kortney graduated from Pacific University - College of Optometry in 2023. According to Medicare claims data, Kortney cared for 292 Medicare patients across 292 services. The services billed most often include test to assess middle ear function, comprehensive hearing and speech recognition test, and test for hearing various pitches using earphone. NPI 1295501286 identifies this record in the national registry.
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
- (530) 477-8114
- Email not available
Practice Locations
457 SUTTON WAY
Grass Valley, CA 95945
Conditions Supported and Services
Within Audiology 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
- Earwax buildup
- Hearing loss
- Tinnitus
- Vertigo
Balance & Inner Ear
- Balance Problems and Fall Risk
- Benign paroxysmal positional vertigo
- Ménière's disease
- Motion sickness
- Vestibular neuritis
Brain & Hearing
- Auditory Processing Disorder
Dizziness & Balance
- Land Sickness
- Persistent Dizziness
- Sound-Induced Dizziness
- Vestibular Migraine
- Weak Balance Nerve
Ear & Hearing
- Acoustic Neuroma
- Age-Related Hearing Loss
- Difficulty Hearing in Noise
- Eustachian tube dysfunction
- Fluid in the Ear
- Hearing Loss in One Ear
- Hearing Own Voice Echoing
- Noise-Induced Hearing Damage
- Otosclerosis
- Perforated eardrum
- Sudden Hearing Loss
Ear Conditions
Ear Pressure
- Airplane Ear
Ear Symptoms
- Ear Canal Itching
- Ear Clicking or Popping
Hearing
- Auditory Neuropathy
- Autoimmune Inner Ear Disease
- Conductive hearing loss
- Hearing Double Pitches
- Hearing Loss from Medications
Infections
Pediatric Hearing
- Newborn Hearing Problems
- Toddler Speech Delay from Hearing
Sound Sensitivity
- Hatred of Specific Sounds
- Hearing Phantom Music
- Pulsing Sound in Ear
- Sensitivity to Normal Sounds
Procedures & services
Most searched procedures
- Balance testing
- Earwax removal
- Hearing aid fitting
- Hearing test
Balance Testing
- Gait and balance training
- Rotary Chair Balance Test
- VEMP Balance Testing
Balance Treatment
Device Maintenance
- Earmold Replacement
Device Support
- Bluetooth Hearing Aid Pairing
Diagnostic Exams
- Acoustic Reflex Test
- Inner Ear Pressure Test
- Video Otoscopy
Diagnostics
- Auditory Brainstem Response Test
- Auditory Processing Disorder Testing
- Inner Ear Hair Cell Test
- Tympanometry
- VNG Eye Movement Balance Test
Hearing Aids
- Assistive Listening Device Consultation
- Ear Mold Impression
- Hearing Aid Consultation
- Hearing Aid Demo and Trial
- Hearing Aid Repair and Cleaning
- Hearing Aid Reprogramming
- Invisible Hearing Aid Fitting
- Over-The-Counter Hearing Aid Check
- Real-Ear Measurement
- Single-Sided Deafness Hearing Aid Fitting
Hearing Evaluations
- Bone Conduction Hearing Test
- Pure Tone Hearing Test
- Speech Recognition Hearing Test
Hearing Protection
- Custom Earplugs
- Custom Motorcycle Earplugs
- Custom Shooting Earplugs
- Custom Sleep Earplugs
- Custom Swim Plugs
- Musician Earplugs
Hearing Rehabilitation
- Auditory Training Therapy
Implants
- Bone Anchored Hearing Aid Consultation
- Cochlear Implant Evaluation
- Cochlear Implant Mapping
Pediatric Testing
- Newborn Hearing Screening
Tinnitus Management
- Tinnitus Sound Masking Setup
Tinnitus Treatment
- Tinnitus Therapy
Workplace Health
- Workplace OSHA Hearing Test
Procedures Most Often Billed to Medicare
292 services · 292 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to assess middle ear function | Treatment | 92567 |
141 | More often than most peers in Qualified Audiologist |
| Comprehensive hearing and speech recognition test | Treatment | 92557 |
139 | More often than most peers in Qualified Audiologist |
| Test for hearing various pitches using earphone | Treatment | 92552 |
12 | Less often than most peers in Qualified Audiologist |
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 qualified audiologists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 2 groups
Class of 2023 at Pacific University - College of Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Test to assess middle ear function 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Kortney Mathiesen's specialty?
Kortney Mathiesen is a qualified audiologist in Grass Valley, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Kortney Mathiesen?
Kortney Mathiesen is listed at 457 Sutton Way, Grass Valley, CA 95945. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Kortney Mathiesen?
The number on file is (530) 477-8114. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Kortney Mathiesen's NPI number?
Kortney Mathiesen's National Provider Identifier is 1295501286. 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
What is Kortney Mathiesen's education?
Kortney Mathiesen attended Pacific University - College of Optometry, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How long has Kortney Mathiesen been practicing?
Kortney Mathiesen has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What is Kortney Mathiesen known for?
According to Medicare billing data, Kortney Mathiesen provides treatments such as test to assess middle ear function and comprehensive hearing and speech recognition test. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Kortney Mathiesen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Kortney Mathiesen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.