Ronald Ng, OD
NPI 1205891884 · Optometrist · San Francisco, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Ng, OD is a Optometrist provider in San Francisco, CA (NPI 1205891884).
Provider details
- NPI number
- 1205891884
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6096T (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
- 2006-04-18
- Last updated
- 2022-02-11
Frequently asked questions
- What is Ronald Ng's NPI number?
- Ronald Ng's National Provider Identifier (NPI) is 1205891884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Ng's specialty?
- Ronald Ng is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Ronald Ng located?
- Ronald Ng's practice location on file with NPPES is 1550 Pacific Avenue, San Francisco, CA 94109.
- What is Ronald Ng's phone number?
- The practice phone number listed in the NPPES registry for Ronald Ng is (415) 776-6877.
- Does Ronald Ng accept Medicare?
- Ronald Ng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Ng's NPI active?
- Yes — Ronald Ng's NPI (1205891884) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.