Registry data as of Aug 27, 2026

Brent Chinn, O.D.

Optometrist · Mountain View, CA

Brent Chinn, O.D. is an optometrist with a practice address in Mountain View, California, and NPI 1023088796, issued on Jan 25, 2006. Check the license (California 9874T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1023088796
Name
Brent Chinn
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
9874T CA
Self-reported in NPPES; status is on the state search
Practice location
1039 EL Monte Ave, Mountain View, CA 94040
Phone
(650) 967-0140
Enumerated
Jan 25, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1039 EL Monte Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maryam Amidi, DDSGeneral Practice Dentistry1891882114

Verify Brent Chinn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 9874T
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

89% fewer Medicare Part D claims than the average optometrist in 2024

30 Medicare Part D claims, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 67% of claims.

  1. Brent Chinn30
  2. Specialty average279

Most prescribed

  1. Latanoprost14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $84.08

3 payments, mostly food and beverage; the largest payer was Alcon Vision LLC. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brent Chinn$84.08
  2. Specialty average$749.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Fyidoctors OF California IncMountain View, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

32 optometrist records list a Mountain View practice address

They are 32 of the 2,467 NPPES records with a Mountain View practice address, and 8,156 optometrist records in California.

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

Common questions

What is Brent Chinn, O.D.'s NPI number?

Brent Chinn, O.D.'s National Provider Identifier (NPI) is 1023088796, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brent Chinn, O.D. located?

The NPPES record lists a practice address at 1039 EL Monte Ave, Mountain View, CA, 94040. Phone: (650) 967-0140. Providers update this record themselves, so call before visiting.

How can I verify Brent Chinn, O.D.'s license?

NPPES lists California license number 9874T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Brent Chinn, O.D. prescribe under Medicare Part D?

In 2024, Brent Chinn, O.D. had 30 Medicare Part D claims; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.