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Edit this profileAt a glance
- 41 N Garfield Ave, Suite #101, Alhambra, CA 91801
About Yongching Chang-Allen
Listed in the NPI registry as a qualified audiologist, Yongching Chang-Allen, M.A. CCC-A practices in Alhambra, CA. Medicare claims data shows Yongching provided 508 services to 500 patients. The services billed most often include comprehensive hearing test and comprehensive hearing and speech recognition test. NPI 1285843821 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
- (626) 284-4633
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
41 N GARFIELD AVE SUITE #101
Alhambra, CA 91801
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
Hearing Aids
- Hearing Aid Consultation
- Hearing Aid Repair and Cleaning
- Hearing Aid Reprogramming
- Real-Ear Measurement
- Assistive Listening Device Consultation
- Ear Mold Impression
- Hearing Aid Demo and Trial
- Invisible Hearing Aid Fitting
- Over-The-Counter Hearing Aid Check
- Single-Sided Deafness Hearing Aid Fitting
Hearing Protection
- Custom Earplugs
- Musician Earplugs
- Custom Motorcycle Earplugs
- Custom Shooting Earplugs
- Custom Sleep Earplugs
- Custom Swim Plugs
Tinnitus Treatment
- Tinnitus Therapy
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 Evaluations
- Bone Conduction Hearing Test
- Pure Tone Hearing Test
- Speech Recognition Hearing Test
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
Workplace Health
- Workplace OSHA Hearing Test
Procedures Most Often Billed to Medicare
508 services · 500 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Comprehensive hearing test | Treatment | 92570 |
254 | More often than most peers in Qualified Audiologist |
| Comprehensive hearing and speech recognition test | Treatment | 92557 |
254 | 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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 5 related providers in 1 group
Also performs Comprehensive hearing test 5
Providers in CA who bill this service to Medicare most often.
Common questions
What is Yongching Chang-Allen's specialty?
Yongching Chang-Allen is a qualified audiologist in Alhambra, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Yongching Chang-Allen?
Yongching Chang-Allen is listed at 41 N Garfield Ave Suite #101, Alhambra, CA 91801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Yongching Chang-Allen?
The number on file is (626) 284-4633. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Yongching Chang-Allen?
Yongching Chang-Allen's National Provider Identifier is 1285843821. 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 Yongching Chang-Allen's education?
Yongching Chang-Allen attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Yongching Chang-Allen have?
Yongching Chang-Allen has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What is Yongching Chang-Allen known for?
According to Medicare billing data, Yongching Chang-Allen provides treatments such as comprehensive hearing test and comprehensive hearing and speech recognition test. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Yongching Chang-Allen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Yongching Chang-Allen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.