David Chiu, O.D.
NPI 1609889260 · Low Vision Rehabilitation Optometrist · Hayward, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chiu, O.D. is a Low Vision Rehabilitation Optometrist provider in Hayward, CA (NPI 1609889260).
Provider details
- NPI number
- 1609889260
- Entity type
- Individual
- Primary specialty
- Low Vision Rehabilitation OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 12282T (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
- 2006-08-14
- Last updated
- 2022-01-20
- Certified
- 2022-01-20
Frequently asked questions
- What is David Chiu's NPI number?
- David Chiu's National Provider Identifier (NPI) is 1609889260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chiu's specialty?
- David Chiu is listed in the NPPES registry with a primary specialty of Low Vision Rehabilitation Optometrist (Eye and Vision Services Providers).
- Where is David Chiu located?
- David Chiu's practice location on file with NPPES is 554 Spalding St, Hayward, CA 94544-6694.
- What is David Chiu's phone number?
- The practice phone number listed in the NPPES registry for David Chiu is (510) 589-9213.
- Does David Chiu accept Medicare?
- David Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chiu's NPI active?
- Yes — David Chiu's NPI (1609889260) is active in the NPPES registry as of the last update on 2022-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.