Yili Zhen Young, O.D.
Optometrist · San Mateo, CA
Yili Zhen Young, O.D. is an optometrist with a practice address in San Mateo, California, and NPI 1841398674, issued on Sep 20, 2006. Check the license (California 13175, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yili Zhen Young
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 13175 CA
Self-reported in NPPES; status is on the state search - Practice location
- 214 S B St, San Mateo, CA 94401
- Phone
- (650) 343-2080
- Enumerated
- Sep 20, 2006
- Record last updated
- Jan 11, 2022
- Fax
- (650) 343-2049
- Medicare enrollment
- Enrolled (PECOS I20070807000317); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 214 S B St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharon Ho, ODOptometrist1952415879
- Gary Lai, O.D.Optometrist1679697023
Verify Yili Zhen Young in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 13175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average optometrist in 2024
66 Medicare Part D claims for 43 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost23 claims
- Prednisolone Acetate15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yili Zhen Young among 8,308 optometrist records in California
Yili Zhen Young, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2006 · median 2008 among the 3,573 with a school on file
- Record last updated2022 · 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 Mateo → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Rosemary Buduan, O.D.San Mateo, CA 944011114085685
- Nicholas Chan, ODSan Mateo, CA 944011407870074
- Sandra Cheng, ODSan Mateo, CA 944011982711446
- Gary HamillSan Mateo, CA 944011699833152
- Sharon Ho, ODSan Mateo, CA 944011952415879
- Gary Lai, O.D.San Mateo, CA 944011679697023
- Susie Lee, O.D.San Mateo, CA 944011932257037
- Wendy Lin, ODSan Mateo, CA 944011922127125
Common questions
What is Yili Zhen Young, O.D.'s NPI number?
Yili Zhen Young, O.D.'s National Provider Identifier (NPI) is 1841398674, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yili Zhen Young, O.D. located?
The NPPES record lists a practice address at 214 S B St, San Mateo, CA, 94401. Phone: (650) 343-2080. Providers update this record themselves, so call before visiting.
How can I verify Yili Zhen Young, O.D.'s license?
NPPES lists California license number 13175, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Yili Zhen Young, O.D. prescribe under Medicare Part D?
In 2024, Yili Zhen Young, O.D. had 66 Medicare Part D claims for 43 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions 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.