Mariel Viano, OD
Optometrist · Campbell, CA
Mariel Viano, OD is an optometrist with a practice address in Campbell, California, and NPI 1952080806, issued on Jul 17, 2023. Check the license (California 35513, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mariel Viano
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 35513 CA
Self-reported in NPPES; status is on the state search - Practice location
- 338 E Hamilton Ave, Campbell, CA 95008
- Phone
- (408) 866-2020
- Enumerated
- Jul 17, 2023
- Record last updated
- Jul 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20230807002983); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2023
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 338 E Hamilton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Albert Chang, O.D.Optometrist1215223466
- Amy Chi, ODOptometrist1063611846
- Nina Kamalsky, O.D.Optometrist1881834638
- Mindy Loh, ODOptometrist1639997638
- Gilbert Ruiz, O.D.Optometrist1518933522
- Peter Taylor, O.D.Optometrist1902820723
Verify Mariel Viano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 35513Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $227.50
5 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Total Vision PCCampbell, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariel Viano among 8,308 optometrist records in California
Mariel Viano, OD is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 92% of them.
- NPI issued2023 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2023 · median 2008 among the 3,573 with a school on file
- Record last updated2023 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 optometrist records list a practice address in Campbell
They are 19 of the 1,821 NPPES records with a practice address in Campbell, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Campbell → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Albert Chang, O.D.Campbell, CA 950081215223466
- Amy Chi, ODCampbell, CA 950081063611846
- James Dally, ODCampbell, CA 950081255325007
- Huyen Dang, ODCampbell, CA 950081881928257
- Duy Danh, O.D.Campbell, CA 950081821156720
- Nina Kamalsky, O.D.Campbell, CA 950081881834638
- Arthur Low, O.D.Campbell, CA 950081619947108
- Rodney Lum, O.D.Campbell, CA 950081912045246
Common questions
What is Mariel Viano, OD's NPI number?
Mariel Viano, OD's National Provider Identifier (NPI) is 1952080806, issued on Jul 17, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mariel Viano, OD located?
The NPPES record lists a practice address at 338 E Hamilton Ave, Campbell, CA, 95008. Phone: (408) 866-2020. Providers update this record themselves, so call before visiting.
How can I verify Mariel Viano, OD's license?
NPPES lists California license number 35513, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.