Diane Le Yang, O.D.
Optometrist · San Diego, CA
Diane Le Yang, O.D. is an optometrist with a practice address in San Diego, California, and NPI 1790775674, issued on Oct 24, 2005. Check the license (California 12831T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane Le Yang
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 12831T CA
Self-reported in NPPES; status is on the state search - Practice location
- 5405 University Ave, San Diego, CA 92105
- Phone
- (619) 229-6689
- Enumerated
- Oct 24, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (619) 286-1659
- Medicare enrollment
- Enrolled (PECOS I20051121000443); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2005
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Diane Le Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12831TCheck 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: $58.88
3 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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.
Diane Le Yang among 8,308 optometrist records in California
Diane Le Yang, 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 updated2026 · 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.
All 8,308 in California → Every provider in San Diego → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Dora Doan, O.D.San Diego, CA 921051003129834
- Annie Diem Hang Le, O.D.San Diego, CA 921051104231646
- Jasmine Nguyen, O.D.San Diego, CA 921051497896922
- Sheiva Pousti, O.D.San Diego, CA 921051730240052
- Han Bui, O.D.San Diego, CA 921041578930343
- Jennifer ChinnSan Diego, CA 921041073989471
- Stephen ChinnSan Diego, CA 921041912976291
- Mark DelsmanSan Diego, CA 921041497712871
Common questions
What is Diane Le Yang, O.D.'s NPI number?
Diane Le Yang, O.D.'s National Provider Identifier (NPI) is 1790775674, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Diane Le Yang, O.D. located?
The NPPES record lists a practice address at 5405 University Ave, San Diego, CA, 92105. Phone: (619) 229-6689. Providers update this record themselves, so call before visiting.
How can I verify Diane Le Yang, O.D.'s license?
NPPES lists California license number 12831T, 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.