Registry data as of Aug 27, 2026

Through The Hayes Optometry

Through The Hayes Optometry holds 7 active organization NPIs in the federal registry, with practice locations in 7 California cities. All list optometrist as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Castro Valley has the most NPIs, 1

  1. Castro Valley1
  2. Danville1
  3. Sacramento1
  4. San Francisco1
  5. San Leandro1
  6. Sunnyvale1
  7. Walnut Creek1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2010 and 2025

Through The Hayes Optometry NPIs by year issued2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 60246201120132015201720192021202320252010: 16
Through The Hayes Optometry NPIs by year issued2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 60246201020112012201320142015201620172018201920202021202220232024202516
Through The Hayes Optometry NPIs by year issued2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 60246201120132015201720192021202320252010: 16

Source: CMS NPPES, enumeration dates.

6 NPIs were issued in 2025 alone, more than in any other year; none in 14 of the years between.

Castro Valley locations

The city with the most Through The Hayes Optometry NPIs. The full list of all 7 follows.

NPILocationPrimary taxonomyIssued
12259298472687 CASTRO VALLEY BLVD, Castro ValleyOptometristJul 11, 2025
All 7 locations, by city
NPILocationPrimary taxonomyIssued
12259298472687 CASTRO VALLEY BLVD, Castro ValleyOptometristJul 11, 2025
1043101660417 SYCAMORE VALLEY RD W, DanvilleOptometristJul 11, 2025
1255222865525 FULTON AVE STE 300, SacramentoOptometristJul 11, 2025
1447575477529 HAYES ST, San FranciscoOptometristApr 1, 2010
1144111758157 PARROTT ST, San LeandroOptometristJul 11, 2025
1417848029130 S SUNNYVALE AVE, SunnyvaleOptometristJul 11, 2025
18714844851811 YGNACIO VALLEY RD, Walnut CreekOptometristJul 11, 2025

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Through The Hayes Optometry have 7 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Through The Hayes Optometry's NPIs list practice locations in 7 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.