Yen M. Ma, O.D.
Optometrist · Hemet, CA
Yen M. Ma, O.D. is an optometrist with a practice address in Hemet, California, and NPI 1255409363, issued on Nov 30, 2006. Check the license (California OPT11180T, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Yen M. Ma
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT11180T CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 E Morton PL, Hemet, CA 92543
- Phone
- (951) 658-9409
- Enumerated
- Nov 30, 2006
- Record last updated
- Aug 30, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (951) 658-2057
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 900 E Morton PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dean King, O.D.Optometrist1790776714
- Amy Miller, O.D.Optometrist1134119399
Verify Yen M. Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT11180TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Yen M. Ma among 8,308 optometrist records in California
Yen M. Ma, 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 not. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2007 · 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).
18 optometrist records list a practice address in Hemet
They are 18 of the 1,678 NPPES records with a practice address in Hemet, and 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,308 in California → Every provider in Hemet → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Markus Buri, O.D.Hemet, CA 925431417915729
- Brian Higa, O.D.Hemet, CA 925431295885804
- Dean King, O.D.Hemet, CA 925431790776714
- Susan Martinez, O.D.Hemet, CA 925431033293238
- Amy Miller, O.D.Hemet, CA 925431134119399
- Kevin Lane, O.D.Hemet, CA 925441548210453
- Steven Simpson, O.D.Hemet, CA 925441508880030
- Bradley Sirois, O.D.Hemet, CA 925441669457347
Common questions
What is Yen M. Ma, O.D.'s NPI number?
Yen M. Ma, O.D.'s National Provider Identifier (NPI) is 1255409363, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yen M. Ma, O.D. located?
The NPPES record lists a practice address at 900 E Morton PL, Hemet, CA, 92543. Phone: (951) 658-9409. Providers update this record themselves, so call before visiting.
How can I verify Yen M. Ma, O.D.'s license?
NPPES lists California license number OPT11180T, 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. 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.