Are you Ellin Y. Wu, O.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Ellin Y. Wu, O.D.
- Sunnyvale location main office
1085 W El Camino Real, Sunnyvale, CA 94087 - Santa Clara location
770 Scott Blvd, Santa Clara, CA 95050 - Sunnyvale location
130 S Sunnyvale Ave, Sunnyvale, CA 94086
About Dr. Wu
Ellin Y. Wu, O.D. is a healthcare provider in Sunnyvale, CA specializing in optometrist — corneal & contact lens. Ellin trained at University of California - School of Optometry, graduating in 2008. According to Medicare claims data, Ellin cared for 835 Medicare patients across 924 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, imaging of optic nerve, 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 1063660660.
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) 524-5900
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1085 W EL CAMINO REAL
Sunnyvale, CA 94087
770 Scott Blvd
Santa Clara, CA 95050
130 S Sunnyvale Ave
Sunnyvale, CA 94086
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
924 services · 835 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
21 | As often as other peers in Optometrist — Corneal & Contact… |
| Imaging of optic nerve | Treatment | 92133 |
140 | More than most peers in Optometrist — Corneal & Contact… |
| Photography of the retina | Treatment | 92250 |
103 | More often than most peers in Optometrist — Corneal & Contact… |
| Exam of visual field with extended testing | Treatment | 92083 |
98 | More often than most peers in Optometrist — Corneal & Contact… |
| Imaging of retina | Treatment | 92134 |
46 | As often as other peers in Optometrist — Corneal & Contact… |
| Imaging of retina with remote review by physician | Treatment | 92228 |
24 | Too few peers to compare |
| Established patient complete exam of visual system | Treatment | 92014 |
12 | Less often than most peers in Optometrist — Corneal & Contact… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
337 | More than most peers in Optometrist — Corneal & Contact… |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
115 | More often than most peers in Optometrist — Corneal & Contact… |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
28 | As often as other peers in Optometrist — Corneal & Contact… |
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.
Related specialists at this location 6
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.
Trained at University of California - School of Optometry 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 2 groups
Class of 2008 at University of California - School of Optometry 7
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound scan of cornea to determine thickness 1
Providers in CA who bill this service to Medicare most often.
Common questions
What does Ellin Y. Wu specialize in?
Ellin Y. Wu is an optometrist in Sunnyvale, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Optometrist — Corneal & Contact Lens”.
NPI registry
Where is Ellin Y. Wu located?
Ellin Y. Wu is listed at 1085 W El Camino Real, Sunnyvale, CA 94087. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Ellin Y. Wu's phone number?
The number on file is (408) 524-5900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Ellin Y. Wu's NPI number?
Ellin Y. Wu's National Provider Identifier is 1063660660. 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 Ellin Y. Wu train?
Ellin Y. Wu attended University of California - School of Optometry, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Ellin Y. Wu been practicing?
Ellin Y. Wu has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Ellin Y. Wu do most often?
According to Medicare billing data, Ellin Y. Wu performs imaging including ultrasound scan of cornea to determine thickness; provides treatments such as imaging of optic nerve and 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 Ellin Y. Wu confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Ellin Y. Wu. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.