Mariko Dawn Takemoto Yamashiro, O.D.
Optometrist · Monrovia, CA
Mariko Dawn Takemoto Yamashiro, O.D. is an optometrist with a practice address in Monrovia, California, and NPI 1457404147, issued on Jan 18, 2007. Check the license (California OPT 12863 TPA, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mariko Dawn Takemoto Yamashiro
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT 12863 TPA CA
Self-reported in NPPES; status is on the state search - Practice location
- 937 W Huntington Dr, Monrovia, CA 91016
- Phone
- (626) 357-0408
- Enumerated
- Jan 18, 2007
- Record last updated
- Feb 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (626) 357-6768
- Medicare enrollment
- Enrolled (PECOS I20070607000425); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2005
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 937 W Huntington Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shung Kim, O.D.Optometrist1669446381
- Hannah Morales, O.D.Optometrist1295709111
Verify Mariko Dawn Takemoto Yamashiro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT 12863 TPACheck 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: $22.03
1 payment: 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.
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
- Vision Quest Optometry, Inc.Monrovia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariko Dawn Takemoto Yamashiro among 8,308 optometrist records in California
Mariko Dawn Takemoto Yamashiro, 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% 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 updated2011 · 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).
15 optometrist records list a practice address in Monrovia
They are 15 of the 17,347 NPPES records with a practice address in Monrovia, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Monrovia → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Margaret Boyamian, ODMonrovia, CA 910161366882920
- Cindy Chiang, O.D.Monrovia, CA 910161770647695
- Shung Kim, O.D.Monrovia, CA 910161669446381
- Jessica Ly, O.D.Monrovia, CA 910161851711139
- Hannah Morales, O.D.Monrovia, CA 910161295709111
- William Overman, O.D.Monrovia, CA 910161023169331
- Bonnie Peng, ODMonrovia, CA 910161114968245
- Minh Shaw, O.DMonrovia, CA 910161558526988
Common questions
What is Mariko Dawn Takemoto Yamashiro, O.D.'s NPI number?
Mariko Dawn Takemoto Yamashiro, O.D.'s National Provider Identifier (NPI) is 1457404147, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mariko Dawn Takemoto Yamashiro, O.D. located?
The NPPES record lists a practice address at 937 W Huntington Dr, Monrovia, CA, 91016. Phone: (626) 357-0408. Providers update this record themselves, so call before visiting.
How can I verify Mariko Dawn Takemoto Yamashiro, O.D.'s license?
NPPES lists California license number OPT 12863 TPA, 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.