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Edit this profileAt a glance
- 330 E Main St, Suite 1 East, Barrington, IL 60010
About Dr. Aschenbrenner
Joseph W. Aschenbrenner, O.D. is an optometrist practicing in Barrington, IL. According to Medicare claims data, Joseph cared for 229 Medicare patients across 247 services. The services billed most often include photography of the retina, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1841329786.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (847) 381-5313
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
330 E MAIN ST SUITE 1 EAST
Barrington, IL 60010
Conditions Commonly Evaluated or Treated
Within Optometry 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
Contact lens issues
- Contact Lens Intolerance
Cornea conditions
Corneal issues
- Corneal Neovascularization
- Eye Sunburn
Eye conditions
- Broken Blood Vessel in Eye
Eye discomfort
- Burning Eyes
- Discharge from Eye
- Red Eyes
Eye diseases
- Cataracts
- Diabetic retinopathy
- Glaucoma
- Macular degeneration
- Retinal Tear Symptoms
Eye infections
Eye inflammation
- Iritis
Eye injuries
Eye irritation
- Eye Allergies
- Eye Pain
- Watery Eyes
Eye surface issues
- Yellow Bump on Eye
Eyelid conditions
- Blepharitis
- Drooping eyelid
- Eye Twitching
- Stye
Eyelid issues
Pediatric eye conditions
Pupil issues
- Unequal Pupil Sizes
Tear duct issues
Vision changes
- Blurry Vision
- Color Blindness
- Distorted Vision
- Double Vision
- Eye Floaters and Flashes
- Eye Strain
- Farsightedness
- Halos Around Lights
- Light Sensitivity
- Night Blindness
- Posterior vitreous detachment
- Tunnel Vision
- Visual Migraines
Procedures & services
Most searched procedures
- Contact lens fitting
- Dry eye treatment
- Eye exam
- Glasses prescription
Contact lens exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
- Autologous Serum Eye Drops Fitting
- IPL for Dry Eye
- LipiFlow Treatment
- Meibomian Gland Expression
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
- Eyelid Deep Cleaning
Eyelid treatments
General exams
- School Vision Screening Follow-Up
Glasses and eyewear
- Blue Light Glasses Consultation
- Eyeglass Frame Adjustment and Repair
- Prescription Sunglasses Consultation
- Prism Eyeglasses Fitting
Imaging & tests
- Color Vision Testing
- Corneal topography
- Coronary optical coherence tomography
- Eye-pressure measurement
- Pachymetry
- Retinal photography
- Visual Field Test
Imaging and scans
Minor procedures
- Amniotic Membrane Placement
- Tear Duct Plugs
Specialty lenses
- Ortho-K
- RGP Contact Lens Fitting
- Scleral Lens Fitting
Surgical evaluations
- Cataract Evaluation
- Corneal Cross-Linking Evaluation
- LASIK Consultation
- PRK Evaluation
Tear duct procedures
- Flushing of Tear Ducts
Therapy
- Sports Vision Training
- Vision Therapy
Urgent care
- Emergency Eye Care
- Foreign Object Removal from Eye
Vision correction
- Myopia Management
Procedures Most Often Billed to Medicare
247 services · 229 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Photography of the retina | Treatment | 92250 |
102 | More often than most peers in Optometrist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
97 | More often than most peers in Optometrist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
48 | As often as other peers in Optometrist |
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 optometrists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 — 10 related providers in 2 groups
Other optometrists in Barrington 2
Same specialty, same city.
Also performs Photography of the retina 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Joseph W. Aschenbrenner specialize in?
Joseph W. Aschenbrenner is an optometrist in Barrington, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Joseph W. Aschenbrenner located?
Joseph W. Aschenbrenner is listed at 330 E Main St Suite 1 East, Barrington, IL 60010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Joseph W. Aschenbrenner's phone number?
The number on file is (847) 381-5313. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Joseph W. Aschenbrenner's NPI number?
Joseph W. Aschenbrenner's National Provider Identifier is 1841329786. 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
How long has Joseph W. Aschenbrenner been practicing?
Joseph W. Aschenbrenner has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Joseph W. Aschenbrenner do most often?
According to Medicare billing data, Joseph W. Aschenbrenner provides treatments such as photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Joseph W. Aschenbrenner confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Joseph W. Aschenbrenner. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.