JANET YOON
NPI 1679127666
Optometrist in Norco, CA
About Janet Yoon NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JANET YOON (NPI 1679127666) is an individual optometrist in Norco, California, licensed in California (34237TLG) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Janet Yoon is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Janet Yoon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Norco, CA 92860
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92860 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Janet Yoon's NPI number?
The NPI number for Janet Yoon is 1679127666. It was assigned to this individual provider in the NPPES registry on July 29, 2019.
Where is Janet Yoon located?
Janet Yoon practices at 1524 4th St Ste 101, Norco, CA 92860. The listed phone number is (951) 407-1238.
What is Janet Yoon's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Janet Yoon enrolled in Medicare?
Yes. Janet Yoon is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Janet Yoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janet Yoon reassigns Medicare benefits to Norco Valley Optometry, Inc (Norco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Janet Yoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Janet Yoon accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Janet Yoon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Janet Yoon was last updated on July 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Janet Yoon · NPI 1679127666
Optometrist provider in Norco, California. Individual provider, active in the CMS NPPES registry since July 29, 2019.
## Identity
- **NPI:** 1679127666 (Entity type: Individual)
- **Enumerated:** July 29, 2019
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 34237TLG (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1524 4TH ST STE 101, Norco, CA 92860-1974
- **Phone:** (951) 407-1238
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Norco Valley Optometry, Inc (NPI 1851820872, Norco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 29, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1679127666) · Data from the CMS NPPES public registry.