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Edit this profileAt a glance
- 19998 Homestead Rd, Suite E, Cupertino, CA 95014
About Dr. Kosakura
Keith H. Kosakura, O.D. is a healthcare provider in Cupertino, CA specializing in optometry. Keith trained at University of California - School of Optometry, graduating in 1997. Keith is also listed as specializing in optometrist. According to Medicare claims data, Keith cared for 280 Medicare patients across 289 services. The services billed most often include photography of the retina, established patient complete exam of visual system, and exam of visual field with limited testing. This provider record is associated with NPI 1922092022.
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
- (408) 257-5262
- Email not available
Practice Locations
19998 HOMESTEAD RD SUITE E
Cupertino, CA 95014
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
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
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 exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
Eyelid treatments
General exams
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
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
Procedures Most Often Billed to Medicare
289 services · 280 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Photography of the retina | Treatment | 92250 |
129 | More often than most peers in Optometry |
| Established patient complete exam of visual system | Treatment | 92014 |
115 | As often as other peers in Optometry |
| Exam of visual field with limited testing | Treatment | 92081 |
24 | As often as other peers in Optometry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
21 | Less often than most peers in Optometry |
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 optometry specialists in Cupertino 8
Same specialty, same city.
Trained at University of California - School of Optometry 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1997 at University of California - School of Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Photography of the retina 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Keith H. Kosakura?
Keith H. Kosakura is an optometry in Cupertino, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Keith H. Kosakura's address?
Keith H. Kosakura is listed at 19998 Homestead Rd Suite E, Cupertino, CA 95014. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Keith H. Kosakura?
The number on file is (408) 257-5262. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Keith H. Kosakura's NPI number?
Keith H. Kosakura's National Provider Identifier is 1922092022. 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 Keith H. Kosakura train?
Keith H. Kosakura attended University of California - School of Optometry, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Keith H. Kosakura been practicing?
Keith H. Kosakura has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What procedures does Keith H. Kosakura perform?
According to Medicare billing data, Keith H. Kosakura provides treatments such as photography of the retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Keith H. Kosakura confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Keith H. Kosakura. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.