Jeffrey Ko, O.D.
NPI 1679546220 · Optometrist · San Francisco, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Ko, O.D. is a Optometrist provider in San Francisco, CA (NPI 1679546220).
Provider details
- NPI number
- 1679546220
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 05547T (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
- 2006-02-13
- Last updated
- 2023-03-07
Frequently asked questions
- What is Jeffrey Ko's NPI number?
- Jeffrey Ko's National Provider Identifier (NPI) is 1679546220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Ko's specialty?
- Jeffrey Ko is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Jeffrey Ko located?
- Jeffrey Ko's practice location on file with NPPES is 540 Davis St, San Francisco, CA 94111-1902.
- What is Jeffrey Ko's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Ko is (415) 956-1850.
- Does Jeffrey Ko accept Medicare?
- Jeffrey Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Ko's NPI active?
- Yes — Jeffrey Ko's NPI (1679546220) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.