OrganizationActive
Cindy Chang OD Inc
NPI 1417336082 · Optometrist · Ontario, CA
Cindy Chang OD Inc is a Optometrist organization in Ontario, CA (NPI 1417336082).
Provider details
- NPI number
- 1417336082
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Cindy Chang, President(425) 256-1563
- License
- 12307 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
4200 E 4th St
Ontario, CA 91764-5250
Phone: (909) 579-3040
Street-level locationGet directions
Mailing address
3305 Sage St
Tustin, CA 92782-1935
Registry dates
- Enumerated
- 2015-05-28
- Last updated
- 2015-05-28
Frequently asked questions
- What is Cindy Chang OD Inc's NPI number?
- Cindy Chang OD Inc's National Provider Identifier (NPI) is 1417336082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cindy Chang OD Inc?
- Cindy Chang OD Inc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Cindy Chang OD Inc located?
- Cindy Chang OD Inc's practice location on file with NPPES is 4200 E 4th St, Ontario, CA 91764-5250.
- What is Cindy Chang OD Inc's phone number?
- The practice phone number listed in the NPPES registry for Cindy Chang OD Inc is (909) 579-3040.
- Who is the authorized official for Cindy Chang OD Inc?
- The authorized official listed on Cindy Chang OD Inc's NPPES record is Cindy Chang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cindy Chang OD Inc's NPI active?
- Yes — Cindy Chang OD Inc's NPI (1417336082) is active in the NPPES registry as of the last update on 2015-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.