Janet Yoon
Optometrist · Norco, CA
Janet Yoon is an optometrist with a practice address in Norco, California, and NPI 1679127666, issued on Jul 29, 2019. Check the license (California 34237TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janet Yoon
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34237TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 1524 4TH St Ste 101, Norco, CA 92860
- Phone
- (951) 407-1238
- Enumerated
- Jul 29, 2019
- Record last updated
- Jul 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Janet Yoon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34237TLGCheck 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: $25.08
1 payment: 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.
Janet Yoon among 8,308 optometrist records in California
Janet Yoon 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 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2019 · 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).
4 optometrist records list a practice address in Norco
They are 4 of the 410 NPPES records with a practice address in Norco, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Norco → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Kaitlyn Murch, O.DNorco, CA 928601346616760
- Joseph Perry Jr., O.D.Norco, CA 928601154466415
- Jay Wofchuck, O.D.Norco, CA 928601114006319
- Steven Downs, ODVilla Park, CA 928611619451713
- James Furcolow, O.D.Villa Park, CA 928611871600395
- Tuan Huynh, O.D.Orange, CA 928651063561512
- David Hwang, O.DOrange, CA 928651578871133
- Terry Metsovas, O.D.Orange, CA 928651891874301
Common questions
What is Janet Yoon's NPI number?
Janet Yoon's National Provider Identifier (NPI) is 1679127666, issued on Jul 29, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Janet Yoon located?
The NPPES record lists a practice address at 1524 4TH St Ste 101, Norco, CA, 92860. Phone: (951) 407-1238. Providers update this record themselves, so call before visiting.
How can I verify Janet Yoon's license?
NPPES lists California license number 34237TLG, 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.