Charles Ang, O.D.
NPI 1205677275 · Optometrist · Sunnyvale, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Ang, O.D. is a Optometrist provider in Sunnyvale, CA (NPI 1205677275).
Provider details
- NPI number
- 1205677275
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35738 (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
2 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
- 2024-06-04
- Last updated
- 2024-06-04
- Certified
- 2024-06-04
Frequently asked questions
- What is Charles Ang's NPI number?
- Charles Ang's National Provider Identifier (NPI) is 1205677275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Ang's specialty?
- Charles Ang is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Charles Ang located?
- Charles Ang's practice location on file with NPPES is 596 E El Camino Real Ste 2, Sunnyvale, CA 94087-8129.
- What is Charles Ang's phone number?
- The practice phone number listed in the NPPES registry for Charles Ang is (408) 245-6212.
- Does Charles Ang accept Medicare?
- Charles Ang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Ang's NPI active?
- Yes — Charles Ang's NPI (1205677275) is active in the NPPES registry as of the last update on 2024-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.