Provider Profile
Listed in the NPI registry as an audiologist, Tina L. Chan, AU.D. practices in Northridge, CA. According to Medicare claims data, Tina cared for 197 Medicare patients across 197 services. The services billed most often include test for eardrum and muscle function and comprehensive hearing and speech recognition test.
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.
19520 NORDHOFF ST STE 5
Northridge, CA 91324
16030 Ventura Blvd Ste 610
Encino, CA 91436
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
197 services · 197 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for eardrum and muscle function | Treatment | 92550 |
100 | More often than most peers in Audiologist |
| Comprehensive hearing and speech recognition test | Treatment | 92557 |
97 | As often as other peers in Audiologist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Tina L. Chan is an audiologist in Northridge, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Tina L. Chan is listed at 19520 Nordhoff St Ste 5, Northridge, CA 91324. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (818) 734-9124. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Tina L. Chan's National Provider Identifier is 1639547490. 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
Tina L. Chan attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Tina L. Chan has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Tina L. Chan provides treatments such as test for eardrum and muscle function and comprehensive hearing and speech recognition test. 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 Tina L. Chan. 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.