Provider Profile
Mariel Viano, OD
Unclaimed ProfileAbout Dr. Viano
Based in Campbell, CA, Mariel Viano, OD is listed in the NPI registry under optometry. Mariel graduated from University of California - School of Optometry in 2023. Mariel is also listed as specializing in optometrist. According to Medicare claims data, Mariel cared for 35 Medicare patients across 37 services. The services billed most often include established patient complete exam of visual system and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1952080806 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
- (408) 866-2020
- Email not available
Practice Locations
338 E HAMILTON AVE
Campbell, CA 95008
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
37 services · 35 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
22 | Less often than most 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 |
15 | 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.
Other optometry specialists at this location 5
Same specialty, same street address — most likely the same department or group.
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 Campbell 3
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California - School of Optometry 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at University of California - School of Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Established patient complete exam of visual system 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Viano's specialty?
Dr. Viano is an optometry in Campbell, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Viano?
Dr. Viano is listed at 338 E Hamilton Ave, Campbell, CA 95008. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Viano?
The number on file is (408) 866-2020. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Viano's NPI number?
Dr. Viano's National Provider Identifier is 1952080806. 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 Dr. Viano's medical education?
Dr. Viano attended University of California - School of Optometry, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Viano been practicing?
Dr. Viano has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Viano known for?
According to Medicare billing data, Dr. Viano provides treatments such as 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 Dr. Viano confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Viano. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.