Provider Profile
Sondra L. Rierson, AU.D is a qualified audiologist based in Carroll, IA. Sondra is a 2005 graduate of University of Minnesota Medical School. Sondra is also listed as specializing in audiologist. According to Medicare claims data, Sondra cared for 224 Medicare patients across 251 services. The services billed most often include comprehensive hearing and speech recognition test, test to assess middle ear function, and analysis and reprogramming of inner ear implant (7 years or older).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
408 W 8TH ST
Carroll, IA 51401
1824 4th Ave S
Denison, IA 51442
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.
Most searched conditions
Balance & Inner Ear
Brain & Hearing
Dizziness & Balance
Ear & Hearing
Ear Conditions
Ear Pressure
Ear Symptoms
Hearing
Infections
Pediatric Hearing
Sound Sensitivity
Most searched procedures
Balance Testing
Balance Treatment
Device Maintenance
Device Support
Diagnostic Exams
Diagnostics
Hearing Aids
Hearing Evaluations
Hearing Protection
Hearing Rehabilitation
Implants
Pediatric Testing
Tinnitus Management
Tinnitus Treatment
Workplace Health
251 services · 224 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Comprehensive hearing and speech recognition test | Treatment | 92557 |
159 | More often than most peers in QUALIFIED AUDIOLOGIST |
| Test to assess middle ear function | Treatment | 92567 |
55 | As often as other peers in QUALIFIED AUDIOLOGIST |
| Analysis and reprogramming of inner ear implant (7 years or older) | Treatment | 92604 |
37 | More 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.
Sondra L. Rierson is a qualified audiologist in Carroll, IA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Sondra L. Rierson is listed at 408 W 8Th St, Carroll, IA 51401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (712) 775-2625. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Sondra L. Rierson's National Provider Identifier is 1023291366. 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
Sondra L. Rierson attended University of Minnesota Medical School, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
Sondra L. Rierson has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Sondra L. Rierson provides treatments such as comprehensive hearing and speech recognition test and test to assess middle ear function. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Sondra L. Rierson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.