Ivy Sun, OD
NPI 1154312916 · Optometrist · San Ramon, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ivy Sun, OD is a Optometrist provider in San Ramon, CA (NPI 1154312916).
Provider details
- NPI number
- 1154312916
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 10943T (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-11-02
- Last updated
- 2022-01-03
Frequently asked questions
- What is Ivy Sun's NPI number?
- Ivy Sun's National Provider Identifier (NPI) is 1154312916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ivy Sun's specialty?
- Ivy Sun is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Ivy Sun located?
- Ivy Sun's practice location on file with NPPES is 175 Market Pl, San Ramon, CA 94583-4741.
- What is Ivy Sun's phone number?
- The practice phone number listed in the NPPES registry for Ivy Sun is (925) 275-0202.
- Does Ivy Sun accept Medicare?
- Ivy Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ivy Sun's NPI active?
- Yes — Ivy Sun's NPI (1154312916) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.