California Eye Clinic
NPI 1730479957 · Ophthalmology Physician · San Ramon, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
California Eye Clinic is a Ophthalmology Physician organization in San Ramon, CA (NPI 1730479957).
Provider details
- NPI number
- 1730479957
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ivan Hwang, Partner(925) 855-9912
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-08
- Last updated
- 2020-04-30
- Certified
- 2020-04-30
Frequently asked questions
- What is California Eye Clinic's NPI number?
- California Eye Clinic's National Provider Identifier (NPI) is 1730479957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is California Eye Clinic?
- California Eye Clinic is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is California Eye Clinic located?
- California Eye Clinic's practice location on file with NPPES is 111 Deerwood Road, San Ramon, CA 94583-4409.
- What is California Eye Clinic's phone number?
- The practice phone number listed in the NPPES registry for California Eye Clinic is (925) 855-9912.
- Does California Eye Clinic accept Medicare?
- California Eye Clinic is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for California Eye Clinic?
- The authorized official listed on California Eye Clinic's NPPES record is Ivan Hwang, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is California Eye Clinic's NPI active?
- Yes — California Eye Clinic's NPI (1730479957) is active in the NPPES registry as of the last update on 2020-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.