Joy Sugimura, O.D.
NPI 1659397123 · Optometrist · Oakland, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joy Sugimura, O.D. is a Optometrist provider in Oakland, CA (NPI 1659397123).
Provider details
- NPI number
- 1659397123
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6567T (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
19 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
- 2006-07-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joy Sugimura's NPI number?
- Joy Sugimura's National Provider Identifier (NPI) is 1659397123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joy Sugimura's specialty?
- Joy Sugimura is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Joy Sugimura located?
- Joy Sugimura's practice location on file with NPPES is 4325 Piedmont Ave, Oakland, CA 94611-4715.
- What is Joy Sugimura's phone number?
- The practice phone number listed in the NPPES registry for Joy Sugimura is (510) 547-5525.
- Does Joy Sugimura accept Medicare?
- Joy Sugimura is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joy Sugimura's NPI active?
- Yes — Joy Sugimura's NPI (1659397123) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.