NPPES file of Aug 9, 2026

Chad Takao Shimazaki, O.D.

Optometrist · Torrance, CA

Chad Takao Shimazaki, O.D. is an optometrist with a practice address in Torrance, California, and NPI 1871587972, issued on Sep 2, 2005. Check the license (California 12858T, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871587972
Name
Chad Takao Shimazaki
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
12858T CA
Self-reported in NPPES; status is on the state search
Practice location
17430 Crenshaw Blvd, Torrance, CA 90504
Phone
(310) 532-8900
Enumerated
Sep 2, 2005
Record last updated
Jul 25, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(310) 532-4079
Medicare enrollment
Enrolled (PECOS I20051027001243); accepts Medicare assignment
Medical or professional school
University Of California - School Of Optometry, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 17430 Crenshaw Blvd

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

  1. Michael Mayeda, O.D.Optometrist1972597250
  2. Takao Shimazaki, O.D.Optometrist1215921598

Verify Chad Takao Shimazaki 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 12858T
    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

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Industry payments in 2024: $723.27

25 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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.

  1. Chad Shimazaki$723.27
  2. Specialty average$769.99

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

Chad Takao Shimazaki among 8,308 optometrist records in California

Chad Takao Shimazaki, O.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2005 · median 2008 among the 3,573 with a school on file
  • Record last updated2013 · 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).

Optometrist providers in California

There are 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Richard Brutti, O.D.Torrance, CA 905041952461691
  2. Linda Davidson, ODTorrance, CA 905041053338541
  3. Shelly Fukunaga, O.D.Torrance, CA 905041710002498
  4. Debbie Goya, ODTorrance, CA 905041992777585
  5. Paul HiranoTorrance, CA 905041124025960
  6. Eric Ige, O.D.Torrance, CA 905041316022262
  7. Michael Mayeda, O.D.Torrance, CA 905041972597250
  8. Janis Mayeda, ODTorrance, CA 905041003888728

Common questions

What is Chad Takao Shimazaki, O.D.'s NPI number?

Chad Takao Shimazaki, O.D.'s National Provider Identifier (NPI) is 1871587972, issued on Sep 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Chad Takao Shimazaki, O.D. located?

The NPPES record lists a practice address at 17430 Crenshaw Blvd, Torrance, CA, 90504. Phone: (310) 532-8900. Providers update this record themselves, so call before visiting.

How can I verify Chad Takao Shimazaki, O.D.'s license?

NPPES lists California license number 12858T, 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.