Marvin Chi
NPI 1831750942 · Optometrist · Chino Hills, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marvin Chi is a Optometrist provider in Chino Hills, CA (NPI 1831750942).
Provider details
- NPI number
- 1831750942
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 34246TLG (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
6 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
- 2019-06-28
- Last updated
- 2019-06-28
Frequently asked questions
- What is Marvin Chi's NPI number?
- Marvin Chi's National Provider Identifier (NPI) is 1831750942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Chi's specialty?
- Marvin Chi is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Marvin Chi located?
- Marvin Chi's practice location on file with NPPES is 2581 Chino Hills Pkwy Ste C, Chino Hills, CA 91709-5117.
- What is Marvin Chi's phone number?
- The practice phone number listed in the NPPES registry for Marvin Chi is (909) 393-8378.
- Does Marvin Chi accept Medicare?
- Marvin Chi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marvin Chi's NPI active?
- Yes — Marvin Chi's NPI (1831750942) is active in the NPPES registry as of the last update on 2019-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.