HOMER CHIANG
NPI 1700310265
Ophthalmology in Santa Clara, CA
About Homer Chiang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOMER CHIANG (NPI 1700310265) is an individual ophthalmology provider in Santa Clara, California, licensed in California (A171994) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Vermont College Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Homer Chiang is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Homer Chiang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 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 95051 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA CLARA, CA 95051
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 Homer Chiang's NPI number?
The NPI number for Homer Chiang is 1700310265. It was assigned to this individual provider in the NPPES registry on April 11, 2017.
Where is Homer Chiang located?
Homer Chiang practices at 700 Lawrence Expy, Santa Clara, CA 95051. The listed phone number is (408) 851-1000.
What is Homer Chiang's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Homer Chiang enrolled in Medicare?
Yes. Homer Chiang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Homer Chiang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Homer Chiang reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Homer Chiang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Homer Chiang was last updated on July 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Homer Chiang · NPI 1700310265
Ophthalmology physician in Santa Clara, California. Individual provider, active in the CMS NPPES registry since April 11, 2017.
## Identity
- **NPI:** 1700310265 (Entity type: Individual)
- **Enumerated:** April 11, 2017
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A171994 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 700 LAWRENCE EXPY, Santa Clara, CA 95051-5173
- **Phone:** (408) 851-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** July 19, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1700310265) · Data from the CMS NPPES public registry.