Are you Mark R. Johnston, A.U.D., CCC-A? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 19026 Stone Oak Pkwy, Ste 110, San Antonio, TX 78258
About Mark Johnston
Listed in the NPI registry as a qualified audiologist, Mark R. Johnston, A.U.D., CCC-A practices in San Antonio, TX. Mark is also listed as specializing in audiologist. According to Medicare claims data, Mark cared for 1,255 Medicare patients across 1,435 services. The services billed most often include test to assess middle ear function and comprehensive hearing and speech recognition test. NPI 1326295726 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
- (210) 545-0404
- Email not available
Practice Locations
19026 STONE OAK PKWY STE 110
San Antonio, TX 78258
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
Balance & Inner Ear
- Balance Problems and Fall Risk
- Benign paroxysmal positional vertigo
- Ménière's disease
- Motion sickness
- Vestibular neuritis
Brain & Hearing
Dizziness & Balance
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
Ear Symptoms
Hearing
- Auditory Neuropathy
- Autoimmune Inner Ear Disease
- Conductive hearing loss
- Hearing Double Pitches
- Hearing Loss from Medications
Infections
Pediatric Hearing
Sound Sensitivity
Procedures & services
Most searched procedures
Balance Testing
Balance Treatment
Device Maintenance
Device Support
Diagnostic Exams
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
Hearing Protection
- Custom Earplugs
- Custom Motorcycle Earplugs
- Custom Shooting Earplugs
- Custom Sleep Earplugs
- Custom Swim Plugs
- Musician Earplugs
Hearing Rehabilitation
Implants
Pediatric Testing
Tinnitus Management
Tinnitus Treatment
Workplace Health
Procedures Most Often Billed to Medicare
1,435 services · 1,255 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to assess middle ear function | Treatment | 92567 |
741 | More than most peers in Qualified Audiologist |
| Comprehensive hearing and speech recognition test | Treatment | 92557 |
694 | More 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.
Other qualified audiologists in San Antonio 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2006 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Test to assess middle ear function 8
Providers in TX who bill this service to Medicare most often.
Common questions
What does Mark R. Johnston, A.U.D. specialize in?
Mark R. Johnston, A.U.D. is a qualified audiologist in San Antonio, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mark R. Johnston, A.U.D. located?
Mark R. Johnston, A.U.D. is listed at 19026 Stone Oak Pkwy Ste 110, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark R. Johnston, A.U.D.'s phone number?
The number on file is (210) 545-0404. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark R. Johnston, A.U.D.'s NPI number?
Mark R. Johnston, A.U.D.'s National Provider Identifier is 1326295726. 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 Mark R. Johnston, A.U.D. train?
Mark R. Johnston, A.U.D. attended Other, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark R. Johnston, A.U.D. been practicing?
Mark R. Johnston, A.U.D. has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does Mark R. Johnston, A.U.D. do most often?
According to Medicare billing data, Mark R. Johnston, A.U.D. 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 Mark R. Johnston, A.U.D. confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark R. Johnston, A.U.D.. If this is you, claiming it is free.
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