DR. WILLIAM L CHOI OD
NPI 1356426860
Optometrist in San Jose, CA
About Dr. William L Choi Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM L CHOI OD (NPI 1356426860) is an individual optometrist in San Jose, California, licensed in California (10882T) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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)
Dr. William L Choi Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show William Choi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Woodland, CA 95776
- Reassigned Medicare billing, California enrollment
- 4 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 95113 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 William Choi's NPI number?
The NPI number for William Choi is 1356426860. It was assigned to this individual provider in the NPPES registry on October 25, 2006.
Where is William Choi located?
William Choi practices at 42 S 1st St, San Jose, CA 95113. The listed phone number is (408) 295-0246.
What is William Choi's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is William Choi enrolled in Medicare?
Yes. William Choi is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Choi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Choi reassigns Medicare benefits to 2 organizations: In Focus Optometry, Inc (San Jose, CA) and Eyes Of Woodland Optometry, Apc (Woodland, CA). Each 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 William Choi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Choi accept?
Health plans from Anthem Blue Cross and Blue Shield and Providence Health Plan list William Choi 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 William Choi was last updated on March 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. William L Choi, OD · NPI 1356426860
Optometrist provider in San Jose, California. Individual provider, active in the CMS NPPES registry since October 25, 2006.
## Identity
- **NPI:** 1356426860 (Entity type: Individual)
- **Enumerated:** October 25, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 10882T (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 42 S 1ST ST, San Jose, CA 95113-2409
- **Phone:** (408) 295-0246
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): In Focus Optometry, Inc (NPI 1124103726, San Jose, CA); Eyes Of Woodland Optometry, Apc (NPI 1043349822, Woodland, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 7, 2011
- **Other identifiers:** Medicare UPIN U80581 (CA); Medicaid SD0108820 (CA); Medicare PIN SD0108820 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1356426860) · Data from the CMS NPPES public registry.